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pdfSUBCHAPTER E—LOAD LINES
42.07–40 Recognized classification society as
an assigning authority.
42.07–43 Change in assigning authority.
42.07–45 Load line certificates.
42.07–50 Penalties for violations.
42.07–55 Cancellation of load line certificates or exemption certificates.
42.07–60 Control.
42.07–75 Right of appeal.
PART 41 [RESERVED]
PART 42—DOMESTIC AND
FOREIGN VOYAGES BY SEA
Subpart 42.01—Authority and Purpose
Sec.
42.01–1 Authority for regulations.
42.01–5 OMB control numbers assigned pursuant to the Paperwork Reduction Act.
42.01–10 Purpose of regulations.
Subpart 42.09—Load Line Assignments and
Surveys—General Requirements
42.03–5 U.S.-flag vessels subject to the requirements of this subchapter.
42.03–10 Foreign vessels subject to this subchapter.
42.03–15 The Great Lakes of North America.
42.03–17 Special load line marks for vessels
carrying timber deck cargo.
42.03–20 Equivalents.
42.03–25 Experimental installations.
42.03–30 Exemptions for vessels.
42.03–35 U.S.-flag vessels and Canadian vessels navigating on sheltered waters of
Puget Sound and contiguous west coast
waters of United States and Canada.
42.09–1 Assignment of load lines.
42.09–5 All vessels—division into types.
42.09–10 Stability,
subdivision,
and
strength.
42.09–15 Surveys by the American Bureau of
Shipping or assigning authority.
42.09–20 Surveys of foreign vessels.
42.09–25 Initial or periodic survey requirements for all vessels.
42.09–30 Additional survey requirements for
steel-hull vessels.
42.09–35 Additional survey requirements for
wood-hull vessels.
42.09–40 Annual surveys.
42.09–45 Correction of deficiencies.
42.09–50 Repairs or alterations to vessel
after it has been surveyed.
Subpart 42.05—Definition of Terms Used in
This Subchapter
Subpart 42.11—Applications for Load Line
Assignments, Surveys, and Certificates
42.05–1 Approved.
42.05–10 Assigning authority.
42.05–20 Commandant.
42.05–25 Coast Guard District Commander or
District Commander.
42.05–30 Existing vessel.
42.05–40 Great Lakes.
42.05–45 International voyage.
42.05–47 Marine inspector or inspector.
42.05–50 New vessel.
42.05–55 Officer in Charge, Marine Inspection.
42.05–60 Recognized classification society.
42.05–63 Ship(s) and vessel(s).
42.05–65 Surveyor.
42.11–1 General.
42.11–5 Applications for load line assignments, surveys, and certificates for U.S.flag vessels.
42.11–10 Applications for load line assignments and certificates for vessels other
than U.S.-flag vessels.
42.11–15 Application for timber load lines.
42.11–20 Application for annual survey.
Subpart 42.03—Application
Subpart 42.13—General Rules for
Determining Load Lines
42.13–1 Assumptions.
42.13–5 Strength of vessel.
42.13–10 Freeboards assigned vessels.
42.13–15 Definitions of terms.
42.13–20 Deck line.
42.13–25 Load line mark.
42.13–30 Lines to be used with the load line
mark.
42.13–35 Mark of assigning authority.
42.13–40 Details of marking.
42.13–45 Verification of marks.
Subpart 42.07—Control, Enforcement, and
Rights of Appeal
42.07–1 Load lines required.
42.07–5 Marks placed on vessel to indicate
load lines.
42.07–10 Submergence of load line marks.
42.07–15 Zones and seasonal areas.
42.07–20 Logbook entries.
42.07–25 Approval of the Commandant.
42.07–30 Approval of the assigning authority.
42.07–35 American Bureau of Shipping as an
assigning authority.
Subpart 42.15—Conditions of Assignment
of Freeboard
42.15–1 Information to be supplied to the
master.
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§ 42.01–1
46 CFR Ch. I (10–1–00 Edition)
42.15–5 Superstructure end bulkheads.
42.15–10 Doors.
42.15–15 Positions of hatchways, doorways
and ventilators.
42.15–20 Cargo and other hatchways.
42.15–25 Hatchways closed by portable covers and secured weathertight by tarpaulins and battening devices.
42.15–30 Hatchways closed by weathertight
covers of steel or other equivalent material fitted with gaskets and clamping devices.
42.15–35 Machinery space openings.
42.15–40 Miscellaneous openings in freeboard
and superstructure decks.
42.15–45 Ventilators.
42.15–50 Air pipes.
42.15–55 Cargo ports and other similar openings.
42.15–60 Scuppers, inlets, and discharges.
42.15–65 Side scuttles.
42.15–70 Freeing ports.
42.15–75 Protection of the crew.
42.15–80 Special conditions of assignment
for Type ‘‘A’’ vessels.
42.25–15
42.25–20
Stowage.
Computation for freeboard.
Subpart 42.30—Zones, Areas, and
Seasonal Periods
42.30–1 Basis.
42.30–5 Northern Winter Seasonal Zones and
area.
42.30–10 Southern Winter Seasonal Zone.
42.30–15 Tropical Zone.
42.30–20 Seasonal Tropical Areas.
42.30–25 Summer Zones.
42.30–30 Enclosed seas.
42.30–35 The Winter North Atlantic Load
Line.
Subpart 42.50—Load Line Certificates—
Model Forms
42.50–1 General.
42.50–5 International load line certificates.
42.50–10 Load line certificates for nonadherent foreign flag vessels.
42.50–15 Coastwise load line certificates for
U.S.-flag vessels.
Subpart 42.20—Freeboards
AUTHORITY: 46 U.S.C. 5101–5116; 49 CFR 1.46;
section 42.01–5 also issued under the authority of 44 U.S.C. 3507.
42.20–3 Freeboard assignment: Type ‘‘A’’
vessels.
42.20–5 Freeboard assignment: Type ‘‘B’’
vessels.
42.20–6 Flooding standard: Type ‘‘A’’ vessels.
42.20–7 Flooding standard: Type ‘‘B’’ vessel,
60 percent reduction.
42.20–8 Flooding standard: Type ‘‘B’’ vessel,
100 percent reduction.
42.20–9 Initial conditions of loading.
42.20–10 Free surface.
42.20–11 Extent of damage.
42.20–12 Conditions of equilibrium.
42.20–13 Vessels without means of propulsion.
42.20–15 Freeboard tables.
42.20–20 Correction to the freeboard for vessels under 328 feet in length.
42.20–25 Correction for block coefficient.
42.20–30 Correction for depth.
42.20–35 Correction for position of deck line.
42.20–40 Standard height of superstructure.
42.20–45 Length of superstructure.
42.20–50 Effective length of superstructure.
42.20–55 Trunks.
42.20–60 Deduction for superstructures and
trunks.
42.20–65 Sheer.
42.20–70 Minimum bow height.
42.20–75 Minimum freeboards.
Subpart 42.01—Authority and
Purpose
§ 42.01–1 Authority for regulations.
The statutory authority to prescribe
rules and regulations requiring certain
vessels to have and display load line
marks
indicating
the
maximum
amidship draft to which such vessels
may be safely loaded and certification
thereof by the assigning authority is in
46 U.S.C. 5101–5116.
[CGD 80–120, 47 FR 5721, Feb. 8, 1982, as
amended by CGD 97–057, 62 FR 51043, Sept. 30,
1997]
§ 42.01–5 OMB control numbers assigned pursuant to the Paperwork
Reduction Act.
(a) Purpose. This section collects and
displays the control numbers assigned
to information collection and recordkeeping requirements in this subchapter by the Office of Management
and Budget (OMB) pursuant to the Paperwork Reduction Act of 1980 (44
U.S.C. 3501 et seq.). The Coast Guard intends that this section comply with the
requirements of 44 U.S.C. 3507(f) which
requires that agencies display a current control number assigned by the
Director of the OMB for each approved
Subpart 42.25—Special Requirements for
Vessels Assigned Timber Freeboards
42.25–1 Application of this subpart.
42.25–5 Definitions of terms used in this subpart.
42.25–10 Construction of vessel.
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§ 42.03–5
agency information collection requirement.
(b) Display.
46 CFR part or section where identified or described
Part
Part
Part
Part
42
44
45
46
.................................................................
.................................................................
.................................................................
.................................................................
(v) Fishing vessels.
(2) As provided in Article 4(4) of the
1966 Convention, in order for existing
vessels to take advantage of any reduction in freeboards from those previously assigned, the regulations in
Subparts 42.13 to 42.25, inclusive, of this
part shall be fully complied with. Except for due cause, such vessels shall
not be required to increase their
freeboards under the provisions of the
1966 Convention.
(3) All U.S.-flag vessels authorized to
engage in foreign or international voyages may also engage in domestic voyages by sea and, as permitted by § 45.9
of this part and Part 47 of this subchapter, in Great Lakes voyages without additional load line marks and/or
certificates. Where additional load line
marks and certificates are provided to
specifically cover ‘‘Special Service,
Coastwise’’ or ‘‘Great Lakes’’ operation, such vessels are subject to the
applicable provisions of Parts 44 and 45
of this subchapter.
(b) Vessels engaged in domestic voyages
by sea. (1) All U.S.-flag vessels which
engage in domestic voyages by sea
(coastwise and intercoastal voyages)
shall be subject to the applicable provisions of this part except the following:
(i) Merchant vessels of less than 150
gross tons.
(ii) Vessels which are mechanically
propelled and numbered by a State or
the Coast Guard under the Federal
Boat Safety Act of 1971 (46 U.S.C. 1451
et seq.) and not required by other laws
to be inspected or certified by the U.S.
Coast Guard. (This exception includes
all mechanically propelled vessels of
less than 150 gross tons, and uninspected motor propelled oceanographic
vessels of less than 300 gross tons while
operating pursuant to 46 U.S.C. 2113.
(iii) Pleasure craft not used or engaged in trade or commerce.
(iv) Barges of less than 150 gross tons.
(v) Vessels engaged exclusively in
voyages on waters within the United
States or its possessions and which are
determined not to be ‘‘coastwise’’ or
‘‘Great Lakes’’ voyages.
(vi) Ships of war.
(vii) U.S. public vessels other than
those vessels of 150 gross tons or over
and engaged in commercial activities.
Current
OMB control No.
2115–0043
2115–0043
2115–0043
2115–0043
[49 FR 38120, Sept. 27, 1984]
§ 42.01–10 Purpose of regulations.
(a) The load line marks when placed
on a vessel shall indicate the maximum
amidships draft to which such vessel
can be lawfully submerged, in the various circumstances and seasons applicable to such vessel.
(b) This subchapter sets forth the
uniform minimum requirements for
load line marks on various categories
of vessels. It also sets forth requirements for surveys relating to the assignment of load lines, the issuing of
load line certificates by authorized
issuing authorities, and the carriage of
load line certificates aboard vessels.
(c) The rules and regulations in this
subchapter also provide for the enforcement of load line requirements and
control over vessels when it is believed
such vessels may be in violation of applicable load line requirements.
[CGFR 68–60, 33 FR 10049, July 12, 1968, as
amended by CGD 80–120, 47 FR 5721, Feb. 8,
1982]
Subpart 42.03—Application
§ 42.03–5 U.S.-flag vessels subject to
the requirements of this subchapter.
(a) Vessels engaged in foreign voyages
or international voyages other than solely
Great Lakes voyages. (1) All U.S. flag
vessels which engage in foreign voyages or international voyages by sea
(other than solely in Great Lakes voyages) are subject to this part; except
the following:
(i) Ships of war;
(ii) New vessels of less than 79 feet in
length;
(iii) Existing vessels of less than 150
gross tons;
(iv) Pleasure yachts not engaged in
trade; and
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§ 42.03–10
46 CFR Ch. I (10–1–00 Edition)
(2) In order for existing vessels to
take advantage of any reduction in
freeboards from those previously assigned, paragraph (a)(2) of this section
applies.
(c) Vessels engaged solely on Great
Lakes voyages. A U.S. flag vessel 79 feet
and more and 150 gross tons or over
that engages solely on Great Lakes
voyages is subject to the applicable
provisions of this part and Part 45 of
this subchapter and must comply with
the regulations in force on the date the
keel is laid or a similar progress in
construction is made.
(d) Special service coastwise voyage. A
U.S. flag vessel 150 gross tons or over
that engages in a ‘‘special service
coastwise voyage’’ is subject to the applicable provisions of this part and
Part 44 of this subchapter.
(e) Hopper dredges engaged in limited
service domestic voyages. Self-propelled
hopper dredges over 79 feet (24 meters)
in length with working freeboards, on
limited service domestic voyages within 20 nautical miles (37 kilometers)
from the mouth of a harbor of safe refuge, are subject to the provisions of
this subchapter that apply to a Type
‘‘B’’ vessel and to the provisions of
Subpart E of Part 44 of this chapter.
Lakes of North America, or arriving
within the jurisdiction of the United
States on the Great Lakes, are subject
to 46 U.S.C. 5101–5116 and the regulations in part 45 of this subchapter applicable to such service.
(b) Canadian vessels. All vessels of Canadian registry and holding valid certificates issued pursuant to Canadian
laws and regulations are assumed to be
in compliance with the applicable provisions of 46 U.S.C. 5101–5116, the International Convention on Load Lines,
1966, and the regulations in this subchapter.
(c) Vessels of countries signatory to or
adhering to the 1966 Convention. The enforcement and control of load line requirements regarding vessels of countries signatory to or adhering to The
International Convention on Load
Lines, 1966, (the 1966 Convention) are as
described in § 42.07–60 in this part,
which is in accord with provisions of
Article 21 of the 1966 Convention. Such
vessels when holding currently valid
certificates issued pursuant to the 1966
Convention, or recognized under such
Convention, are assumed to be in compliance with the applicable provisions
of such Convention. Such vessels are
deemed to be in compliance with the
load line requirements found to be
equally effective as those established
in this part and therefore in compliance with the applicable load line provisions of 46 U.S.C. 5101–5116, as amended, and the regulations in this part as
authorized by such laws. Vessels engaged in navigation on the Great Lakes
are subject to application of seasonal
international marks as specified in
Part 45 of this subchapter.
(d) Vessels of countries not signatory to
or adhering to the 1966 Convention. (1)
Vessels of countries not signatory to or
adhering to the 1966 Convention, when
within the jurisdiction of the United
States, shall be subject to 46 U.S.C.
5101–5116, and the regulations in this
subchapter as authorized by such laws.
(2) Vessels of countries signatory to
or adhering only to International Load
Line Convention, London, 1930 (the 1930
Convention), and holding valid certificates issued under that Convention, are
subject to the applicable law described
in paragraph (a) of this section and the
[CGFR 68–60, 33 FR 10049, July 12, 1968, as
amended by CGFR 68–126, 34 FR 9011, June 5,
1969; CGD 73–49R, 38 FR 12289, May 10, 1973;
CGD 80–120, 47 FR 5721, Feb. 8, 1982; CGD 86–
016, 51 FR 9962, Mar. 24, 1986; CDG 76–080, 54
FR 36976, Sept. 6, 1989; CGD 97–057, 62 FR
51043, Sept. 30, 1997]
§ 42.03–10 Foreign vessels subject to
this subchapter.
(a) General. All existing foreign merchant vessels of 150 gross tons or over,
and new foreign vessels of 79 feet in
length or more, loading at or proceeding from any port or place within
the jurisdiction of the United States or
its possessions for a foreign voyage by
sea, or arriving within the jurisdiction
of the United States or its possessions
from a foreign voyage by sea, in both
cases the Great Lakes excepted, are
subject to 46 U.S.C. 5101–5116, and the
regulations in this part applicable to
such service. All foreign merchant vessels of 150 gross tons or over, loading at
or proceeding from any port or place
within the United States on the Great
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§ 42.03–30
regulations prescribed thereunder in
this subchapter.
demonstrated by trial thereof or otherwise that the substitution is at least as
effective as that required by the regulations in this subchapter.
(b) In any case where it is shown to
the satisfaction of the assigning authority and the Commandant that the
use of any particular equipment, apparatus, or arrangement not specifically
required by law is unreasonable or impracticable, appropriate alternatives
may be permitted under such conditions as are consistent with the minimum standards set forth in this subchapter.
[CGD 80–120, 47 FR 5722, Feb. 8, 1982, as
amended by CGD 97–057, 62 FR 51043, Sept. 30,
1997; USCG–1998–4442, 63 FR 52190, Sept. 30,
1998]
§ 42.03–15 The Great Lakes of North
America.
(a) The term ‘‘Great Lakes of North
America’’ means those waters of North
America which are defined in § 42.05–40,
and in the exception in Article 5(2)(a)
of the 1966 Convention.
(b) The expressions in the regulations
in this part, such as ‘‘voyages by sea,’’
‘‘proceed to sea,’’ ‘‘arrive from the high
seas,’’ etc., shall be construed as having no application to voyages on the
Great Lakes or portions thereof unless
specifically provided otherwise in Part
45 of this subchapter.
[CGFR 68–60, 33 FR 10050, July 12, 1968]
§ 42.03–25
Experimental installations.
(a) Complete information (including
plans, necessary instructions and limitations, if any) on proposed experimental installations affecting any fitting, material, appliance, apparatus,
arrangement, or otherwise shall be submitted to the assigning authority for
evaluation. After acceptance by the assigning authority, the complete information of such installation shall be
forwarded to the Commandant for specific approval prior to installation.
Complete information shall also be furnished for any associated installation(s) deemed necessary to prevent endangering the vessel during the trial
period of proposed experimental installations.
(b) The use of approved experimental
installations shall be permitted only
when in accordance with instructions
and limitations as specifically prescribed for such installations by the
Commandant.
[CGFR 68–60, 33 FR 10050, July 12, 1968]
§ 42.03–17 Special load line marks for
vessels carrying timber deck cargo.
(a) Certain vessels having load line
marks not related to carriage of timber
deck cargo may be assigned timber
load lines if they are in compliance
with the applicable requirements governing timber deck cargoes in this subchapter. The timber load lines apply
and may be used only when the vessel
is carrying timber deck cargo.
(b) A new or existing vessel having
timber load lines assigned to it, when
carrying timber deck cargo, may be
loaded to the vessel’s timber load line
applicable to the voyage and season.
[CGFR 68–60, 33 FR 10050, July 12, 1968, as
amended by CGD 80–120, 47 FR 5722, Feb. 8,
1982]
[CGFR 68–60, 33 FR 10050, July 12, 1968]
§ 42.03–20 Equivalents.
(a) Where in this subchapter it is provided that a particular fitting, material, appliance, apparatus, or equipment, or type thereof, shall be fitted or
carried in a vessel, or that a particular
provision shall be made or arrangement shall be adopted, the assigning
authority, with the prior approval of
the Commandant, may accept in substitution therefor any other fitting,
material, apparatus, or equipment or
type thereof, or any other provision or
arrangement: Provided, That it can be
§ 42.03–30
Exemptions for vessels.
(a) For an individual vessel or category of vessels, upon the specific recommendation of the assigning authority, the Commandant may authorize an
exemption from one or more load line
requirements. Such recommendation
and authorization will depend upon
provision of any additional features as
deemed necessary by the authorities to
ensure the vessel’s safety in the services and under the conditions specified
in paragraph (b) of this section.
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§ 42.03–35
46 CFR Ch. I (10–1–00 Edition)
(b) Exemptions from specific load
line requirements for vessels meeting
requirements of paragraph (a) of this
section are authorized, subject to certain conditions, including type of voyage engaged in, as follows:
(1) For vessels engaged on international voyages between the United
States and near neighboring ports of
its possessions or of foreign countries.
The exemptions may be permitted because the requirements are deemed to
be unreasonable or impracticable due
to the sheltered nature of the waters
on which the voyages occur or other
conditions. These exemptions shall be
valid only so long as such a vessel shall
remain engaged on specific designated
voyages. If the voyage involves a foreign country or countries, the United
States will require an exemption agreement with such country or countries
prior to the issuance of the appropriate
load line certificate.
(2) For vessels engaged on international voyages which embody features of a novel kind, and where nonexemption may seriously impede research, development, and incorporation
of novel features into vessels. If the
voyage or voyages intended involve a
foreign country or countries, then the
United States will require an exemption agreement with such country or
countries prior to the issuance of a
Load Line Exemption Certificate. If
the Commandant grants an exemption
pursuant to this paragraph (b)(2) to a
U.S. flag vessel that operates on the
Great Lakes of North America, he may
notify the Chairman of the Board of
Steamship Inspection of Canada of the
nature of the exemption, but no special
exemption certificate is issued.
(3) For a vessel not normally engaged
on international voyages but which is
required to undertake a single international voyage under exceptional circumstances.
(4) For self-propelled hopper dredges
engaged on international voyages or on
limited service domestic voyages by
sea. These vessels may be exempt from
applicable hatch cover requirements of
§ 42.15–25 of this part by showing they
meet the requirements in § 174.310 of
this chapter. When a Load Line Exemption Certificate is issued for this exemption, it must have an endorsement
that only seawater is allowed in the
vessel’s hoppers.
(c) A vessel given one or more exemptions from load line requirements
under the provisions of paragraph (b)(1)
of this section will be issued the appropriate load line certificate, using Form
A1, A2, or A3. In each case the exemptions shall be specified on the load line
certificate together with the Convention authority which authorizes such
exemptions.
(d) A vessel given one or more exemptions under the provisions of paragraph
(b)(2) or (b)(3) of this section will be
issued a Load Line Exemption Certificate, using Form E1. This certificate
shall be in lieu of a regular load line
certificate, and the vessel shall be considered as in compliance with applicable load line requirements.
(e) The Commandant may exempt
from any of the requirements of this
part a vessel that engages on a domestic voyage by sea or a voyage solely on
the Great Lakes and embodies features
of a novel kind, if the novel features
and any additional safety measures required are described on the face of the
issued certificate.
(f) A vessel that is not usually engaged on domestic voyages by sea or on
voyages on the Great Lakes but that,
in exceptional circumstances, is required to undertake a single such voyage between two specific ports is—
(1) Subject to 46 U.S.C. 5101–5116 and
the applicable regulations of this subchapter; and
(2) Issued a single voyage load line
authorization by the Commandant that
states the conditions under which the
voyage may be made and any additional safety measures required for a
single voyage.
[CGFR 68–126, 34 FR 9011, June 5, 1969, as
amended by CGD 73–49R, 38 FR 12289, May 10,
1973; CGD 76–080, 54 FR 36976, Sept. 6, 1989;
USCG–1998–4442, 63 FR 52190, Sept. 30, 1998]
§ 42.03–35 U.S.-flag vessels and Canadian vessels navigating on sheltered waters of Puget Sound and
contiguous west coast waters of
United States and Canada.
(a) In a Treaty between the United
States and Canada proclaimed on August 11, 1934, the respective Governments were satisfied of the sheltered
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§ 42.05–30
nature of certain waters of the west
coast of North America. It was agreed
to exempt vessels of the United States
and Canadian vessels from load line requirements when such vessels engage
on international voyages originating
on, wholly confined to, and terminating on such waters. In Article I of
this Treaty these waters are described
as follows: ‘‘* * * the waters of Puget
Sound, the waters lying between Vancouver Island and the mainland, and
east of a line from a point 1 nautical
mile west of the city limits of Port Angeles in the State of Washington to
Race Rocks on Vancouver Island, and
of a line from Hope Island, British Columbia, to Cape Calvert, Calvert Island, British Columbia, the waters east
of a line from Cape Calvert to Duke
Point on Duke Island, and the waters
north of Duke Island and east of Prince
of Wales Island, Baranof Island, and
Chicagof Island, the waters of Peril,
Neva, and Olga Straits to Sitka, and
the waters east of a line from Port
Althorp of Chicagof Island to Cape
Spencer, Alaska, are sheltered waters *
* *.’’
(b) U.S.-flag vessels and Canadian
vessels navigating on the treaty waters
on a voyage as described in paragraph
(a) of this section are by virtue of this
Treaty of August 11, 1934, not subject
to load line requirements in 46 U.S.C.
5101–5116, the 1966 Convention, and the
regulations in this subchapter. Vessels
navigating these sheltered waters and
passing outside their boundary on any
voyage cannot claim the benefits of
this Treaty and shall be in compliance
with the applicable load line requirements in 46 U.S.C. 5101–5116, the 1966
Convention, and the regulations in this
subchapter.
(c) Since subdivision requirements
apply to all passenger vessels subject
to the 1960 International Convention on
Safety of Life at Sea, those passenger
vessels navigating on the waters described in paragraph (a) of this section
shall be in compliance with such 1960
Convention requirements and the regulations in part 46 of this subchapter.
The Coast Guard issues to such a vessel
a stability letter. The assigning authority is authorized to issue to such a
passenger vessel an appropriate load
line certificate, modified to meet the
conditions governing her service assignment, and marking.
[CGFR 68–60, 33 FR 10051, July 12, 1968, as
amended by CGFR 68–126, 34 FR 9011, June 5,
1969; USCG–1998–4442, 63 FR 52190, Sept. 30,
1998]
Subpart 42.05—Definition of Terms
Used in This Subchapter
§ 42.05–1 Approved.
This term means approved by the
Commandant, U.S. Coast Guard, unless
otherwise stated.
[CGFR 68–60, 33 FR 10051, July 12, 1968]
§ 42.05–10 Assigning authority.
This term means the ‘‘American Bureau of Shipping’’ or such other recognized classification society which the
Commandant may approve as the load
line assigning and issuing authority for
a vessel, as provided in sections 3 of the
load line acts.
[CGFR 68–60, 33 FR 10051, July 12, 1968]
§ 42.05–20 Commandant.
This term means the Commandant,
U.S. Coast Guard, Washington, DC
20593–0001.
[CGFR 68–60, 33 FR 10051, July 12, 1968, as
amended by CGD 88–070, 53 FR 34534, Sept. 7,
1988]
§ 42.05–25 Coast Guard District Commander or District Commander.
These terms mean an officer of the
Coast Guard designated as such by the
Commandant to command all Coast
Guard activities within his district.
This includes enforcement of load line
requirements as described in this subchapter.
[CGFR 68–60, 33 FR 10051, July 12, 1968]
§ 42.05–30 Existing vessel.
(a) As used in this part 42, for a vessel
engaged on international voyages or on
domestic voyages by sea, the term existing vessel means a vessel which is not
a new vessel. With few exceptions an
existing vessel is a vessel the keel of
which was laid, or which was at a similar stage of construction, prior to July
21, 1968. (See § 42.05–50 for the definition
of a new vessel.)
(b)–(c) [Reserved]
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§ 42.05–40
46 CFR Ch. I (10–1–00 Edition)
national voyage means a sea voyage
from any country to a port outside
such country, or conversely. For this
purpose, every territory for the international relations of which any specific
Contracting Government is responsible
or for which the United Nations are the
administering authority is regarded as
a separate country.
(b) The 1966 Convention does not
apply to vessels solely navigating the
Great Lakes. Accordingly, such vessels
shall not be considered as being on an
international voyage for the purpose of
this subchapter.
(c) For the purpose of administration
of load line requirements in this subchapter, the Commonwealth of Puerto
Rico, the Territory of Guam, the Virgin Islands, and all possessions and
lands held by the United States under
a protectorate or mandate shall each
be considered to be a territory of the
United States.
(d) As used in part 44 of this subchapter, for a vessel marked with load
lines for special service on a coastwise
or interisland voyage, the term existing
vessel means one whose keel was laid
prior to September 28, 1937. (See § 44.01–
20 of this subchapter.)
(e) As used in part 45 of this subchapter, existing vessel in all regulations pertaining to a vessel engaged
solely on Great Lakes voyages before
April 14, 1973, means a vessel whose
keel was laid before August 27, 1936.
The regulations pertaining to these
vessels that are in effect after April 14,
1973, do not use the term existing vessel.
(f) As used in part 46 of this subchapter, for a passenger vessel marked
with subdivision load lines, the term
existing vessel means a vessel whose
keel was laid or was converted to such
service prior to May 26, 1965. (See
§ 46.05–30 of this subchapter.)
[CGFR 68–60, 33 FR 10051, July 12, 1968, as
amended by CGD 73–49R, 38 FR 12290, May 10,
1973; CGD 80–120, 47 FR 5722, Feb. 8, 1982]
[CGFR 68–60, 33 FR 10051, July 12, 1968]
§ 42.05–47 Marine inspector or inspector.
These terms mean any person from
the civilian or military branch of the
Coast Guard assigned under the superintendence and direction of an Officer
in Charge, Marine Inspection, or any
other person as may be designated for
the performance of duties with respect
to the inspection, enforcement, and administration of title 52, Revised Statutes, and acts amendatory thereof or
supplemental thereto, and rules and
regulations thereunder.
§ 42.05–40 Great Lakes.
(a) This term means the Great Lakes
of North America.
(b) As used in this part, the term solely navigating the Great Lakes includes
any special service coastwise navigation performed by the vessel.
(c) In concurrence with related Canadian regulations, the waters of the St.
Lawrence River west of a rhumb line
drawn from Cap de Rosiers to West
Point, Anticosti Island, and west of a
line along 63° W. longitude from Anticosti Island to the north shore of the
St. Lawrence River shall be considered
as a part of the Great Lakes. In addition, the Victoria Bridge, Montreal,
Canada, is the dividing line between
fresh water and salt water in the St.
Lawrence River.
[CGFR 68–60, 33 FR 10051, July 12, 1968]
§ 42.05–50 New vessel.
(a) As used in this part 42, for a vessel
engaged on international voyages or on
domestic voyages by sea, the term new
vessel means a vessel, the keel of which
is laid, or which is at a similar stage of
construction, on or after July 21, 1968.
(See § 42.05–30 for definition of an existing vessel.)
(1) This definition applies to all vessels of countries signatory to or acceding to the 1966 Convention prior to
April 21, 1968, and to vessels of countries not adhering to an applicable
Convention as indicated in Article 16(4)
of the 1966 Convention.
[CGFR 68–60, 33 FR 10051, July 12, 1968, as
amended by CGD 73–49R, 38 FR 12290, May 10,
1973]
§ 42.05–45 International voyage.
(a) The term international voyage as
used in this part shall have the same
meaning as the term international voyage in Article 2(4) of the 1966 Convention. Except for vessels operating solely on the waters indicated in Article
5(2) of the 1966 Convention, an inter-
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Coast Guard, DOT
§ 42.07–1
(2) For countries which accede to the
1966 Convention after April 21, 1968, a
new vessel (foreign) shall be one whose
keel is constructively laid 3 months or
more after such date.
(b)–(c) [Reserved]
(d) As used in part 44 of this subchapter, for a vessel marked with load
lines for special service on a coastwise
or interisland voyage, the term new
vessel means one whose keel is laid on
or after September 28, 1937. (See § 44.01–
20 of this subchapter.)
(e) As used in part 45 of this subchapter, for a vessel engaged solely on
Great Lakes voyages, the term new vessel means one whose keel is laid on or
after August 27, 1936. (See § 45.01–10 of
this subchapter.)
(f) As used in part 46 of this subchapter, for a passenger vessel marked
with subdivision load lines, the term
new vessel means a vessel whose keel is
laid or is converted to such service on
or after May 26, 1965. (See § 46.05–25 of
this subchapter.)
§ 42.05–63
[CGFR 68–126, 34 FR 9011, June 5, 1969]
§ 42.05–65
Surveyor.
The term surveyor means any person
designated by the American Bureau of
Shipping or other classification society
recognized by the Commandant as the
person who actually examines the vessel and/or materials associated with
such examination, and who ascertains
such vessel complies with applicable
load line requirements.
[CGFR 68–60, 33 FR 10052, July 12, 1968]
Subpart 42.07—Control, Enforcement, and Rights of Appeal
§ 42.07–1
[CGFR 68–60, 33 FR 10051, July 12, 1968 as
amended by CGD 80–120, 47 FR 5722, Feb. 8,
1982]
Load lines required.
(a) The vessels listed in §§ 42.03–5 and
42.03–10 as subject to the applicable requirements in this subchapter shall
have load lines accurately marked
amidships, port and starboard, as provided in this part 42 or the 1966 Convention, unless otherwise stated. Those
vessels issued load line exemption certificates may not be required to have
load line marks (see § 42.03–30).
(b) For vessels marked with international load lines and navigating the
Great Lakes, such vessels are also subject to requirements in part 45 of this
subchapter while on the Great Lakes.
See § 45.9 of this subchapter for load
line marks used by such vessels.
(c) For Great Lakes vessels operating
solely on Great Lakes voyages, the requirements for the applicable load line
marks are in part 45 of this subchapter.
Great Lakes vessels when making
other international or unlimited coastwise voyages shall comply with the applicable requirements in parts 42, 44,
and 45 of this subchapter.
(d) For coastwise steam colliers,
barges, and self-propelled barges in special services, the requirements for the
applicable load line marks are in part
§ 42.05–55 Officer in Charge, Marine
Inspection.
This term means any person from the
civilian or military branch of the Coast
Guard designated as such by the Commandant and who, under the superintendence and direction of the Coast
Guard District Commander, is in
charge of a marine inspection zone, and
may supervise or perform the duties of
a marine inspector.
[CGFR 68–60, 33 FR 10052, July 12, 1968]
§ 42.05–60
ciety.
Ship(s) and vessel(s).
The terms ship(s) and vessel(s) are
interchangeable or synonymous words,
and include every description of
watercraft, other than a seaplane on
the water, used or capable of being
used as a means of transportation on
water.
Recognized classification so-
The term recognized classification society means the American Bureau of
Shipping or other classification society
recognized by the Commandant, as provided in 46 U.S.C. 5107, and who also
may be approved as a load line assigning and issuing authority.
[CGFR 68–60, 33 FR 10052, July 12, 1968, as
amended by USCG–1998–4442, 63 FR 52190,
Sept. 30, 1998]
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§ 42.07–5
46 CFR Ch. I (10–1–00 Edition)
44 of this subchapter. These requirements also include certain regulations
governing such vessels when they additionally engage in Great Lakes voyages, international voyages or unlimited coastwise voyages. Load line requirements in this part 42 also apply to
such vessels when engaged on international or unlimited coastwise voyages.
(e) Existing U.S.-flag vessels, as defined in § 42.05–30(a) of this chapter, engaged in international or coastwise
voyages, may retain the load line assigned under previous regulations, provided:
(1) The vessel has not been assigned a
reduced freeboard under the regulations in this part 42, and
(2) The form of the load line certificate issued to and carried on board the
vessel conforms to the requirements of
subpart 42.50 of this part or § 44.05–35 or
§ 46.10–30 of this chapter.
(f) This part applies to foreign vessels
of countries—
(1) Signatory to or adhering to the
1966 Convention;
(2) Adhering to the 1930 Convention
and not acceding to the 1966 Convention, or;
(3) Not adhering to either the 1930
Convention or the 1966 Convention but
subject to the load line acts.
marks on the vessel’s sides has been
confirmed.
(c) The requirements for load line
marks apply to all new and existing
vessels as specified in §§ 42.03–5 and
42.03–10, except when a vessel has been
issued a load line exemption certificate
in lieu of a load line certificate.
[CGFR 68–60, 33 FR 10052, July 12, 1968, as
amended by CGFR 68–126, 34 FR 9012, June 5,
1969]
§ 42.07–10 Submergence of load line
marks.
(a) Except as provided otherwise in
this section, vessels of the types described in paragraphs (a)(1) through
(a)(3) of this section shall not be so
loaded as to submerge at any time
when departing for a voyage by sea, or
on the Great Lakes, or during the voyage, or on arrival, the applicable load
lines marked on the sides of the vessel
for the season of the year and the zone
or area in which the vessel may be operating.
(1) Merchant vessels of 150 gross tons
or over, as described in § 42.03–5 or
§ 42.03–10, and on voyages subject to 46
U.S.C. 5101–5116.
(2) All new vessels of 79 feet or over
in length on voyages subject to the 1966
Convention.
(3) All vessels of 150 gross tons or
over, other than merchant vessels covered by paragraph (a)(1) of this section,
on voyages subject to the 1966 Convention.
(b) When loading a vessel in a favorable zone for a voyage on which the
vessel will enter a less favorable zone,
such allowances must be made that the
vessel when crossing into the less favorable zone, will conform to the regulations and freeboard for the less favorable zone.
(c) When a vessel is in fresh water of
unit density, the appropriate load line
may be submerged by the amount of
the fresh water allowance shown on the
applicable load line certificate. Where
the density is other than unity, an allowance shall be made proportional to
the difference between 1.025 and the actual density. This paragraph does not
apply to vessels when navigating the
Great Lakes.
(d) When a vessel departs from a port
situated on a river or inland waters,
[CGFR 68–60, 33 FR 10052, July 12, 1968, as
amended by CGFR 68–126, 34 FR 9011, June 5,
1969; CGD 73–49R, 38 FR 12290, May 10, 1973;
CGD 80–120, 47 FR 5722, Feb. 8, 1982]
§ 42.07–5 Marks placed on vessel to indicate load lines.
(a) Load line marks to indicate the
maximum amidship’s draft to which a
vessel can be lawfully submerged, in
the various circumstances and seasons,
shall be permanently marked on each
side of the vessel in the form, manner,
and location as required by this subchapter.
(b) The load line marks placed on a
vessel shall be attested to by a valid
load line certificate as required by
§ 42.07–45(b). The issuing authority shall
not deliver any required load line certificate to the vessel until after its surveyor has ascertained that the vessel
meets the applicable survey requirements and the correct placement of the
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§ 42.07–30
deeper loading shall be permitted corresponding to the weight of fuel and all
other materials required for consumption between the port of departure and
the sea. This paragraph does not apply
to vessels when navigating the Great
Lakes.
owner for 1 year after the actions noted
therein have been completed and upon
request shall be furnished to any load
line enforcement officer.
[CGFR 68–60, 33 FR 10053, July 12, 1968]
§ 42.07–25 Approval
mandant.
[CGFR 68–60, 33 FR 10052, July 12, 1968, as
amended by CGFR 68–126, 34 FR 9012, June 5,
1969; USCG–1998–4442, 63 FR 52190, Sept. 30,
1998]
of
the
Com-
(a) Where the requirements in this
subchapter state that the approval of
the Commandant is necessary, the
owner or his agent shall furnish all information necessary, including background material, and/or final plans,
calculations, and conclusions reached,
as will enable the Commandant to obtain a comprehensive understanding of
and reach a decision relative to the
question or problem at issue prior to
proceeding with the work. All information, plans and calculations submitted
will remain with the Commandant as a
part of the record on the vessel.
(b) If the owner or his agent desires
to have information, plans, and calculations returned with Commandant’s
actions noted thereon, or if distribution of such information is necessary
or required by regulations in this subchapter to owners, masters of vessels,
etc., then the owner or his agent shall
furnish multiple copies of the information as required.
§ 42.07–15 Zones and seasonal areas.
(a) A vessel subject to 46 U.S.C. 5101–
5116 or the 1966 Convention shall comply, as applicable, with the requirements regarding the zones and seasonal
areas described in subpart 42.30.
(b) A port located on the boundary
line between two zones or areas shall
be regarded as within the zone or seasonal area from or into which the vessel arrives or departs.
[CGFR 68–60, 33 FR 10053, July 12, 1968, as
amended by USCG–1998–4442, 63 FR 52190,
Sept. 30, 1998]
§ 42.07–20 Logbook entries.
(a) As described in § 3.13–35 of Subchapter A (Procedures Applicable to
the Public) of this chapter, official
logbooks (Form CG–706–C), are furnished free to certain vessels, and after
they have served their purpose they are
filed with the applicable Officer in
Charge, Marine Inspection.
(b) The master shall be responsible
for having entered in the vessel’s ‘‘official logbook’’ if carried, otherwise in
his own log considered as its official
logbook, the data required by section 6
of the load line acts. These logbooks
entries shall be made before a vessel
departs from her loading port or place
and consist of:
(1) A statement of the load line
marks applicable to the voyage; and,
(2) A statement of the position of the
load line marks, port and starboard, at
the time of departing from a port or
place; i.e., the distance in inches of the
water surface above or below the applicable load line; and,
(3) The actual drafts of the vessel,
forward and aft, as nearly as the same
can be ascertained, at the time of departing from a port or place.
(c) Where the master uses his own
log, it shall be kept by the master or
[CGFR 68–60, 33 FR 10053, July 12, 1968]
§ 42.07–30 Approval of the assigning
authority.
(a) Where the requirements in this
subchapter state the approval of an assigning authority is required, the
owner or his agent shall furnish the required information, including plans,
etc., as required by and which will enable the assigning authority to obtain
a comprehensive understanding of the
matter and to reach pertinent decisions prior to proceeding with the
work. When requested the assigning
authority shall furnish the Coast
Guard all information, etc., on any
question
at
issue
and
decisions
reached.
(b) All information required under
this subchapter by an assigning authority with respect to a specific vessel
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§ 42.07–35
46 CFR Ch. I (10–1–00 Edition)
shall be retained until 5 years after termination of certification by such authority.
required load line marks assigned are
marked on the vessel and the vessel is
in compliance with authorized conditions, restrictions, and/or exemptions,
if any.
(f) The American Bureau of Shipping
shall issue all load line certificates in
duplicate; one copy shall be delivered
to the owner or master of the vessel,
and one copy (together with a summary of data used to determine the assigned load lines) shall be forwarded to
the Commandant.
(g) The American Bureau of Shipping
shall prepare a load line survey report
on each new vessel or existing vessel
when brought into complete compliance with this part prior to issuing the
required load line certificate described
in subpart 42.50 of this part. At the
time the certificate is delivered, one
copy of this report shall be delivered to
the master of the vessel, and one copy
shall be forwarded to the Commandant.
When a load line survey report is superseded or revised, one copy shall be
delivered to the master of the vessel,
and one copy shall be forwarded to the
Commandant.
(h) The load line survey report or stability information furnished to a specific vessel shall include a statement of
the locations of all watertight subdivision bulkheads, including steps or recesses therein, which may be involved
in the vessel’s load line assignment.
[CGFR 68–60, 33 FR 10053, July 12, 1968]
§ 42.07–35 American Bureau of Shipping as an assigning authority.
(a) The American Bureau of Shipping, with its home office at ABS
Plaza, 16855 Northchase Drive, Houston, TX 77060, is hereby appointed as
the prime assigning and issuing authority under the provisions of Articles
13 and 16(3) of the 1966 Convention and
as directed by 46 U.S.C. 5107. In this capacity the American Bureau of Shipping is empowered to assign load lines,
to perform surveys required for load
line assignments, and to determine
that the position of and the manner of
marking vessels has been done in accordance with applicable requirements.
(b) On behalf of the United States of
America, the American Bureau of Shipping is authorized to issue or reissue,
under its own seal and signature of its
officials, the appropriate load line certificates or International Load Line
Exemption Certificate as described in
subpart 42.50 of this part or in parts 44
to 46, inclusive, of this subchapter. Except for the International Load Line
Exemption Certificate, the required
load line certificate issued to a specific
vessel shall certify to the correctness
of the load line marks assigned and
marked on the vessel and compliance
with authorized conditions, restrictions, and/or exemptions, if any. The
International Load Line Exemption
Certificate when issued to a vessel
shall certify as to the compliance with
the information applicable to the vessel.
(c) The designation and delegation to
the American Bureau of Shipping as an
assigning and issuing authority shall
be in effect indefinitely unless for due
cause it shall be terminated by proper
authority and notice of cancellation is
published in the FEDERAL REGISTER.
(d) The American Bureau of Shipping
is authorized to revalidate from time
to time by endorsement a load line certificate or an International Load Line
Exemption Certificate.
(e) Before revalidating any certificate by endorsement, the American Bureau of Shipping shall verify that the
[CGFR 68–60, 33 FR 10053, July 12, 1968, as
amended by CGFR 68–126, 34 FR 9012, June 5,
1969; CGD 80–143, 47 FR 25149, June 10, 1982;
CGD 96–041, 61 FR 50727, Sept. 27, 1996; USCG–
1998–4442, 63 FR 52190, Sept. 30, 1998; USCG–
2000–7790, 65 FR 58459, Sept. 29, 2000]
§ 42.07–40 Recognized classification society as an assigning authority.
(a) On behalf of the United States of
America, under the provisions of Articles 13 and 16(3) and as provided in 46
U.S.C. 5107, the Commandant, at the
request of a shipowner, may appoint
any other recognized classification society, which he may approve, as the assigning and issuing authority who shall
perform the same functions and duties
as indicated in § 42.07–35 for the American Bureau of Shipping.
(b) The appointment of a recognized
classification society as the assigning
and issuing authority will be limited to
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§ 42.07–45
vessels specifically designated by the
Commandant.
(1) An international and coastwise
certificate is issued for 5 years and
may be extended by the Commandant
up to 150 days from the date of the—
(i) Survey that is endorsed on the
certificate by the surveyor authorized
by the Coast Guard; or
(ii) Last day of the 5-year period.
(2) A Great Lakes certificate is issued
for 5 years and may be extended by the
Commander, Ninth Coast Guard District, up to 365 days from date of the—
(i) Survey that is endorsed on the
certificate by the surveyor authorized
by the Coast Guard; or
(ii) Last day of the 5-year period.
(e) The form of certificate certifying
to the correctness of the load line
marks, assigned under the regulations
in this part, may be in the form of temporary
or
provisional
certificate,
signed by the authorized surveyor
pending early issuance of appropriate
certificate as shown in subpart 42.50 of
this part as follows:
(1) International Load Line Certificate, 1966, issued to U.S. vessels engaged in foreign voyages, or engaged in
coastwise or intercoastal voyages (provided such vessels qualify to engage in
foreign voyages without restriction), as
follows:
(i) Form A1, For general use.
(ii) Form A2, For sailing vessels.
(iii) Form A3, For general use, combined with timber deck cargo.
(2) Certificate issued to foreign vessels belonging to countries that have
not ratified or acceded to the 1966 Convention as follows:
(i) Form B, For general use.
(3) Coastwise load line certificate
(other than for special service as provided for by part 44 of this subchapter)
issued to U.S. vessels engaged solely in
coastwise and/or intercoastal voyages
(which may be subject to restrictions
as to manning, routes, seasons, waters
of operations, etc., as shown on the
face of the certificate), as follows:
(i) Form C1, For general use.
(ii) Form C2, For sailing ships.
(iii) Form C3, For general use, combined with timber deck cargo.
(f) The form of certificate certifying
to the correctness of exemptions granted under the regulations in this part
shall be as shown in subpart 42.50 of
this part as follows:
[CGFR 68–60, 33 FR 10053, July 12, 1968, as
amended by USCG–1998–4442, 63 FR 52190,
Sept. 30, 1998]
§ 42.07–43
ity.
Change in assigning author-
(a) If the owner desires a change in
assigning and issuing authority for a
vessel, a special request shall be made
in writing to the Commandant at least
90 days prior to the expiration date of
the present certificate or the annual
endorsement thereon.
(b) A change in the assigning authority does not presume any change in assigned load lines.
[CGFR 68–60, 33 FR 10053, July 12, 1968]
§ 42.07–45
Load line certificates.
(a) The load line certificates for
which the Government of the United
States of America assumes full responsibility may be issued by the Commandant, the American Bureau of
Shipping, or a recognized classification
society when appointed as an authorized assigning and issuing authority for
specifically designated vessels.
(b) The load line certificate shall certify to the correctness of the load line
marks assigned to the vessel and that
the vessel is in compliance with applicable requirements. A certificate
issued under this subchapter also shall
describe the applicable load line
marks, conditions, restrictions, and/or
exemptions, if any, the vessel shall observe, according to the season of the
year and the zone or area in which the
vessel may operate. The load line exemption certificate issued under § 42.03–
30 shall certify the special conditions
the vessel shall observe.
(c) A load line assignment and certificate issued to any vessel under the
authority of the regulations in this
subchapter (or under the authority of
any Government adhering to the 1966
Convention, under the provisions of Article 19(5) of the 1966 Convention) shall
cease to be valid upon the transfer of
such vessel to the flag of another Government.
(d) Each loadline certificate is issued
for the following length of time:
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§ 42.07–50
46 CFR Ch. I (10–1–00 Edition)
(1) International load line exemption
certificate issued under special conditions to U.S.-flag vessels engaged in
foreign voyages, as follows:
(i) Form E1, For general international use.
(ii) Where this certificate is intended
to expire after a single voyage, this information shall be noted on the face of
the certificate.
(2) International load line certificate
Form A1, A2, or A3 issued under special
conditions to U.S.-flag vessels on international voyages between the United
States and near neighboring ports of
its possessions or of foreign countries.
Exemptions, if any, shall be specified
on the certificate.
(g) The issuing authority shall provide the printed forms it may use
under the regulations in this subchapter. These forms shall be approved
by the Commandant before final printing. The international load line certificate and exemption certificate forms
shall exactly reproduce the arrangement of the printed part of the model
Forms A1, A2, A3, and E1 indicated in
subpart 42.50 of this part for all official
copies and any certified copies issued.
(h) Where a vessel qualifies for and is
issued a Form E1 International Load
Line Exemption Certificate for foreign
voyages but is also or solely engaged in
coastwise or intercoastal voyages by
sea, this certificate shall be considered
equivalent to a valid coastwise load
line certificate. In such case the vessel
shall be deemed in full compliance with
46 U.S.C. 5101–5116 and the regulations
in this part promulgated thereunder.
(b) The master and/or owner of a vessel that is operated, navigated, or used
in violation of the provisions of the
load line acts, or the regulations in
this subchapter will be subject to the
penalties as set forth in law, and the
vessel shall also be liable therefor. Depending upon the gravity of the violations, the Coast Guard may do any one
or more of the following:
(1) Detain a vessel if deemed to be
overloaded in violation of title 46
U.S.C. 5112, in accordance with 46
U.S.C. 5113 and have the vessel surveyed by three disinterested surveyors.
(2) Assess and collect applicable monetary penalties for certain violations
as provided in 46 U.S.C. 5112 and 5116.
(3) Initiate a criminal prosecution for
certain violations when required by 46
U.S.C. 5112 or 5116.
(4) Initiate an action of libel against
the vessel involved if there is a failure
to pay monetary penalties assessed.
(5) Initiate a suspension or revocation proceeding, in addition to the foregoing actions described in this paragraph against any officer or seaman
holding a valid Coast Guard license or
merchant mariner’s document and who
may violate any provision of the load
line acts, the 1966 Convention, or the
regulations in this subchapter, under
the provisions of 46 U.S.C. Chapter 77,
and the regulations in 46 CFR part 5.
(c) In determining offenses, 46 U.S.C.
5116 provides that ‘Each day of a continuing violation is a separate violation’ and
(d) The procedures governing the assessment, collection, remission and
litigation of any monetary penalty proposed under 46 U.S.C. 5116 for a violation of either load line law or the applicable regulations in this subchapter, as
well as the appeal procedures to be allowed, are in 33 CFR subpart 1.07.
[CGFR 68–60, 33 FR 10054, July 12, 1968, as
amended by CGFR 68–126, 34 FR 9012, June 5,
1969; CGD 73–49R, 38 FR 12290, May 10, 1973;
CGD–74; 153, 39 FR 25324, July 10, 1974; CGD
80–120, 47 FR 5722, Feb. 8, 1982; CGD 96–006, 61
FR 35964, July 9, 1996; USCG–1998–4442, 63 FR
52190, Sept. 30, 1998]
§ 42.07–50
Penalties for violations.
[CGFR 68–60, 33 FR 10054, July 12, 1968, as
amended by CGFR 68–126, 34 FR 9012, June 5,
1969; CGD 80–120, 47 FR 5722, Feb. 8, 1982; CGD
97–057, 62 FR 51043, Sept. 30, 1997]
(a) The penalties for violation of various provisions of the load line acts or
the regulations established thereunder
are set forth in 46 U.S.C. 5116. The Secretary of Transportation by 49 CFR
1.46(b) has transferred to the Commandant authority to assess, collect,
remit or litigate any monetary penalty
imposed under these laws.
§ 42.07–55 Cancellation of load line
certificates or exemption certificates.
(a) Since vessels described in § 42.03–5
or § 42.03–10 when found qualified are
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§ 42.07–60
issued appropriate load line certificates or load line exemption certificates, under U.S. responsibility as indicated in § 42.07–45 such certificates may
be canceled by proper U.S. authority
for due cause, including one or more of
the causes listed in paragraph (b) of
this section. Such action may occur
prior to the expiration date on the certificate and normal certificate surrender. The cancellation of such certificate means that the correctness of
load line marks and compliance with
conditions of assignment for the named
vessel no longer are recognized by the
United States and that the existing assigned load line marks are voided.
(b) Certain causes for automatic cancellation of certificates are:
(1) The conditions of assignment have
not been maintained as required by
this subchapter.
(2) Material alterations have taken
place in the hull or superstructure of
the vessel, which will necessitate the
assignment of an increased freeboard.
(3) The fittings and appliances have
not been maintained in an effective
condition for the protection of openings, guardrails, freeing ports, and
means of access to crew’s quarters.
(4) The structural strength of the
vessel is lowered to such an extent that
the vessel is unsafe.
(5) The load line certificate or International Load Line Exemption Certificate is not endorsed to show the vessel
has been surveyed annually or periodically by the issuing authority as required by this part or the 1966 Convention.
(6) Issuance of a new load line certificate for the same vessel.
(7) Surrender of a certificate for cancellation when required.
(8) The owner, master, or agent of the
vessel has furnished false or fraudulent
information in or with the application
for a certificate.
excess of the draft allowed by the regulations in this subchapter as indicated
by the vessel’s load line certificate, or
otherwise. The Coast Guard District
Commander may detain a vessel if it is
so loaded as to be manifestly unsafe to
proceed to sea.
(b) If the District Director of Customs orders a vessel detained, he shall
immediately inform the Coast Guard
District Commander thereof, who shall
thereupon advise the District Director
of Customs whether or not he deems
that the vessel may proceed to sea with
safety. If the Coast Guard District
Commander orders a vessel detained,
such officer will furnish the District
Director of Customs immediate notification of such detention. The clearance
shall be refused to any vessel which
shall have been ordered detained,
which shall be in effect until it is
shown that the vessel is not in violation of the applicable law and the regulations in this subchapter.
(1) Where a vessel is detained for noncompliance with ‘‘material alteration’’
and ‘‘effective maintenance’’ requirements of paragraph (f)(1) of this section, the detention shall only be exercised insofar as may be necessary to
ensure that the vessel can proceed to
sea without danger to passengers or
crew.
(c) The detention of a vessel will be
by written order of either the Coast
Guard District Commander or the District Director of Customs, depending
on who orders the detention. The Coast
Guard District Commander will immediately arrange for a survey in the
manner prescribed by 46 U.S.C. 5113.
Unless the owner or agent waives in
writing and stipulates to accept the
Coast Guard’s survey, the Coast Guard
District Commander shall appoint
three disinterested surveyors and,
where practicable, one of them shall be
from the Surveying Staff of the American Bureau of Shipping. Such surveyors shall conduct a survey to ascertain whether or not the vessel is loaded
in violation of the applicable provisions in the load line acts, and the regulations in this subchapter. If the survey confirms the allegation that the
vessel is in violation of either law or
the applicable regulations in this subchapter, ‘‘the owner and agent shall
[CGFR 68–60, 33 FR 10054, July 12, 1968, as
amended by CGFR 68–126, 34 FR 9012, June 5,
1969]
§ 42.07–60 Control.
(a) The District Director of Customs
or the Coast Guard District Commander may detain a vessel for survey
if there is reason to believe that the
vessel is proceeding on her journey in
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§ 42.07–75
46 CFR Ch. I (10–1–00 Edition)
bear the costs of the survey in addition
to any penalty or fine imposed’’, as
provided in these laws.
(d) Whenever a vessel is detained, the
master or owner may, within 5 days,
appeal to the Commandant who may, if
he desires, order a further survey, and
may affirm, set aside, or modify the
order of the detaining officer.
(e) Where a foreign vessel is detained
or intervention action of any other
kind is taken against a foreign vessel,
the officer carrying out the action
shall immediately inform in writing
the Consul or the diplomatic representative of the State whose flag the vessel
is flying, of the decision involved together
with
all
pertinent
circumstances under which intervention
was deemed necessary.
(f) Under 46 U.S.C. 5109 a vessel of a
foreign country which has ratified the
1966 Convention, or which holds a recognized and valid 1930 Convention certificate, or which holds a valid Great
Lakes Certificate, shall be exempt
from the provisions of the regulations
in this subchapter insofar as the marking of the load lines and the
certificating thereof are concerned, so
long as such country similarly recognizes the load lines established by this
subchapter for the purpose of a voyage
by sea subject to the proviso in paragraph (f)(1) of this section or the alternative proviso in paragraph (f)(2) of
this section.
(1) If the foreign vessel is marked
with load lines and has on board a valid
International or Great Lakes Load
Line Certificate certifying to the correctness of the marks, the control provisions in this part which are in accord
with Article 21 of the 1966 Convention
shall be observed. In this connection,
the vessel shall not be loaded beyond
the limits allowed by the certificate.
The position of the load lines on the
vessel shall correspond with the certificate. The vessel shall not have been so
materially altered as to make the vessel manifestly unfit to proceed to sea
without danger to human life, in regard to:
(i) The hull or superstructure (if necessitating assignment of an increased
freeboard); and/or,
(ii) The appliances and fittings for
protection of openings, guardrails, free-
ing ports, and means of access to
crew’s quarters (if necessitating replacement or other effective maintenance).
(2) (Alternatively provided) If the foreign vessel has on board an International Load Line Exemption Certificate in lieu of an International Load
Line Certificate, 1966, in such case,
verify that it is valid and any conditions stipulated therein are met.
(g) A foreign vessel of a nation for
which the 1966 Convention has not
come into force does not qualify for an
International Load Line Certificate,
1966. In lieu thereof, such a vessel shall
be required to have on board a valid
Form B load line certificate or a recognized 1930 Convention certificate.
[CGFR 68–60, 33 FR 10055, July 12, 1968, as
amended by CGFR 68–126, 34 FR 9012, June 5,
1969; USCG–1998–4442, 63 FR 52190, Sept. 30,
1998]
§ 42.07–75
Right of appeal.
Any person directly affected by a decision or action taken under this subchapter, by or on behalf of the Coast
Guard, may appeal therefrom in accordance with subpart 1.03 of this chapter.
[CGD 88–033, 54 FR 50380, Dec. 6, 1989]
Subpart 42.09—Load Line Assignments and Surveys—General
Requirements
§ 42.09–1
Assignment of load lines.
(a) The assignment of load lines is
conditioned upon the structural efficiency and satisfactory stability of the
vessel, and upon the provisions provided on the vessel for her effective
protection and that of the crew. Certain vessels, such as vessels carrying
all their cargo as deck cargo, or vessels
where design or service require special
conditions to be applicable, shall have
certain stability limitations imposed
on them, as may be necessary. When
stability limitations for a vessel are
prescribed, the assigning authority
shall furnish the master the vessel’s
maximum draft permitted and other
conditions, including reference to Commandant approved operating stability
features, which may be applicable.
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§ 42.09–10
(1) No load line assignment shall be
made under this part to a vessel proceeding on a foreign voyage, or where
the load line assignment is related to
the flooded stability provisions and the
vessel is proceeding on a domestic voyage, until the applicable light ship
characteristics are established and incorporated into the vessel’s stability
data approved by the Commandant and
furnished to the master of the vessel.
(2) If load line assignments are made
to vessels for coastwise voyages before
the results of the required stability
characteristics are determined and incorporated into the vessel’s stability
data approved by the Commandant,
then such load line assignments shall
be regarded as conditional and shall be
subject to verification or modification
for removal of the conditional status.
Any vessel with a conditional load line
assignment shall not be loaded beyond
a conservative safe draft. Where the
Commandant deems it unnecessary,
the requirement for furnishing stability information to the masters of
coastwise vessels assigned load lines
not related to flooded stability may be
omitted and the assigning authority
and others concerned will be so notified.
(b) Each vessel subject to load line
requirements shall carry on board a
valid certificate attesting to compliance with such requirements. (See
§§ 42.07–35 and 42.07–40 for additional
data furnished to the vessel.)
(c) The master of the vessel for which
a load line certificate has been issued
shall be responsible for the maintenance of such certificate on board such
vessel and for compliance with its
terms and conditions. Additionally, the
master shall be responsible for having
the current load line survey report on
board the vessel. This report shall be
made available to surveyors when carrying out subsequent load line surveys.
(b) A Type ‘‘A’’ vessel is a vessel
that—
(1) Is designed to carry only liquid
cargoes in bulk;
(2) Has a high degree of watertight
and structural integrity of the deck exposed to the weather, with only small
openings to cargo compartments that
are closed by watertight gasketed covers of steel or other material considered equivalent by the Commandant;
and
(3) Has a low permeability of loaded
cargo compartments.
(c) A Type ‘‘B’’ vessel is any vessel
that is not a Type ‘‘A’’ vessel.
(d) Requirements governing the assignment of freeboards for Types ‘‘A’’
and ‘‘B’’ vessels are in subparts 42.20
and 42.25 of this part.
[CGD 79–153, 48 FR 38647, Aug. 25, 1983]
§ 42.09–10 Stability,
strength.
vessels—division
and
(a) All vessels. Where regulations in
this part, or in part 46 of this subchapter, require or permit load line assignment on the basis of the vessel’s
ability to meet specified flooding, including damage stability requirements,
the owner shall furnish the necessary
plans and calculations demonstrating
that the vessel is in compliance with
the applicable requirements. This material shall be furnished to the assigning authority for approval review at
the earliest practicable date except
where specifically required by part 46
of this subchapter for passenger vessels
to be submitted to the Commandant
for approval.
(1) When stability information is required, the plans shall include the location and extent of all watertight subdivision bulkheads, etc., involved.
(2) Additional stability, subdivision,
and strength requirements are in
§§ 42.09–1, 42.13–1, 42.13–5, and 42.15–1.
The applicable flooded stability requirements are in §§ 42.20–3 through
42.20–13.
(b) Passenger vessels. In passenger vessels where the positions of the maximum load lines is subject to determination by the application of subdivision and stability requirements in this
subchapter, the provisions of both
parts 42 and 46 shall be accounted for
[CGFR 68–60, 33 FR 10055, July 12, 1968, as
amended by CGFR 68–126, 34 FR 9012, June 5,
1969]
§ 42.09–5 All
types.
subdivision,
into
(a) For the purposes of this part, each
vessel to which this part applies is either a Type ‘‘A’’ or a Type ‘‘B’’ vessel.
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§ 42.09–15
46 CFR Ch. I (10–1–00 Edition)
and developed as necessary. See subchapter H (Passenger Vessels) of this
chapter for related data required to be
submitted to the Commandant.
(c) Light ship data. All plans, etc.,
necessary for obtaining the Commandant’s approval of test results
(light ship data) and stability information shall be furnished by the owner. In
the absence of existing acceptable light
ship stability information, such data
shall be obtained from a stability test
performed under the supervision of the
Commandant. Results of such tests, if
satisfactory, will be approved by the
Commandant.
certificate, valid for such time as the
condition of the vessel then warrants
but in no case for a period of longer
than 5 years. If, after a survey has been
passed, a loadline certificate can not be
issued before the current certificate expires, the current certificate may be
extended by an endorsement in accordance with the requirements contained
in § 42.07–45(d). This endorsement of the
assigning authority shall be placed on
the back of the certificate, as shown on
the forms in subpart 42.50. However, if
there have been alterations which affect the vessel’s freeboards, such extension shall not be granted. This prohibition is the same as in Article 19(2) of
the 1966 Convention.
(2) The periodical survey, including
certificate extension or reissue, for a
vessel holding an international load
line exemption certificate for more
than one voyage, shall be the same as
for any other vessel covered by this
section except for load line marks.
However, other conditions specified in
the exemption certificate shall be
verified.
(d) Annual surveys for endorsements.
Vessels subject to initial and periodic
surveys shall have annual surveys,
within 3 months either way of the certificate’s anniversary date. The annual
surveys shall be made by and prove satisfactory to the assigning and issuing
authority prior to executing the required annual endorsements on load
line certificates or exemption certificates. The scope shall be as defined in
§ 42.09–40 and such as to ensure that the
applicable load line marks are found to
be correct for the condition the vessel
is then in.
[CGFR 68–60, 33 FR 10056, July 12, 1968, as
amended by CGFR 68–126, 34 FR 9012, June 5,
1969; CGD 79–153, 48 FR 38647, Aug. 25, 1983]
§ 42.09–15 Surveys by the American
Bureau of Shipping or assigning authority.
(a) General. Before issuing a certificate or placement of load line marks
on a vessel, the assigning and issuing
authority shall make an initial or periodic survey of the vessel as required by
this subchapter. A load line survey report shall be made, reflecting information and facts based on initial surveys,
including required and special elements as may be deemed necessary by
the assigning authority or the Commandant.
(b) Initial survey. An initial survey
shall be made before the vessel is put
in service or the first time the assigning authority is requested to survey a
vessel. The survey shall include a complete examination of its structure and
equipment insofar as required by the
applicable requirements in this subchapter. This survey shall be such as to
ensure that the arrangements, materials, scantlings, and subsequent placement of load line marks fully comply
with applicable requirements.
(c) Periodical survey. A periodical survey shall be made at intervals not exceeding five (5) years from an initial or
previous periodic survey. The survey
shall be similar to the initial survey
insofar as extent and purpose are concerned.
(1) If the load line marks are found to
be correct for the condition the vessel
is then in, the assigning and issuing
authority shall issue a new load line
[CGFR 68–60, 33 FR 10056, July 12, 1968, as
amended by CGFR 68–126, 34 FR 9012, June 5,
1969; CGD 73–49R, 38 FR 12290, May 10, 1973]
§ 42.09–20 Surveys of foreign vessels.
(a) General. Foreign vessels of countries which have not ratified or acceded
to the 1966 Convention, or which do not
have valid certificates issued under
other international convention or treaty and recognized by the United States
of America, if desiring to depart from a
port or place in the United States, the
Commonwealth of Puerto Rico, the
Territory of Guam, or other U.S. possessions, shall be subjected to survey,
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§ 42.09–30
marking, and certification by a load
line assigning and issuing authority as
authorized under § 42.07–35 or § 42.07–40,
unless:
(1) The vessel is exempted by the provision of 46 U.S.C. 5102; or
(2) The vessel is under tow and carrying neither passengers nor cargo.
(b) Scope of survey. A periodical survey described in § 42.09–15(c) shall be
conducted by and prove satisfactory to
the assigning and issuing authority. It
shall be made prior to issue or reissue
of the applicable certificate.
(c) Certification of load lines. The assigning and issuing authority after determining the vessel meets the applicable requirements in this part may issue
a load line certificate subject to requirements in § 42.07–45 and on the applicable form described in subpart 42.50
of this part: Provided, That the load
line certificate issued shall be valid for
a period of 1 year. The certificate may
be revalidated by endorsement for additional 1 year periods if the condition
of the vessel so warrants, but in any
event the certificate shall become void
five (5) years from date of issue, or at
the expiration of the fourth (4th) yearly validation, whichever occurs first.
Whenever the condition of the vessel
warrants special limitations, such information and facts shall be attested to
on the front or back of the certificate
as necessary, by the assigning and
issuing authority.
cleats and wedges of hatches on exposed freeboard, quarter and superstructure decks, and elsewhere as may
be necessary.
(2) Structure of the vessel, coamings,
closures, and all means of protection
provided for openings, such as for ventilators, companionways, machinery
casings, fiddleys, funnels, enclosed superstructures on the freeboard deck
(and their end bulkheads) or equivalent
protective deck houses, openings in the
freeboard and superstructure decks,
and significant openings at higher levels in the vessel.
(3) Transverse watertight subdivision
bulkheads, as fitted, including any
openings therein and closures for such
openings. They shall be examined
throughout their vertical and transverse extent.
(4) All air-pipe outlets, their closures,
all scuppers, and all sanitary discharges in the vessel’s sides, including
nonreturn valves installed.
(5) The main and auxiliary sea inlets
and discharges in the machinery space,
and elsewhere if existent, and the
valves and controls for these items.
(6) All gangways, cargo ports, and
airports, including dead covers or other
similar openings in the vessel’s sides
and their closures.
(7) All guardrails, bulwarks, gangways, and freeing port shutters, including securing devices, and bars.
(8) All eye plates or similar fittings
for timber (or other) deck-cargo lashings, including the lashings, sockets
for uprights and protective devices as
may be necessary for ventilators and
steering arrangements.
[CGFR 68–60, 33 FR 10056, July 12, 1968, as
amended by CGFR 68–126, 34 FR 9013, June 5,
1969; CGD 80–120, 47 FR 5723, Feb. 8, 1982;
USCG–1998–4442, 63 FR 52190, Sept. 30, 1998]
§ 42.09–25 Initial or periodic survey requirements for all vessels.
(a) Before a survey may be completed, the vessel shall be placed in a
drydock or hauled out. The surveyor
shall be given complete access to all
parts of the vessel to ensure that the
vessel complies with all applicable requirements.
(b) The surveyor shall examine on all
vessels the items, etc., listed in this
paragraph to determine if in satisfactory condition and meeting applicable
requirements in this subchapter.
(1) Cargo hatch coamings, covers,
beams and supports, gaskets, clamps,
locking bars, tarpaulins, battens,
[CGFR 68–60, 33 FR 10056, July 12, 1968, as
amended by CGFR 68–126, 34 FR 9013, June 5,
1969]
§ 42.09–30 Additional survey requirements for steel-hull vessels.
(a) In addition to the requirements in
§ 42.09–25, the surveyor of the assigning
authority shall examine the items,
etc., listed in this section, to determine
if in satisfactory condition and meeting applicable requirements in this
subchapter.
(b) When the vessel is in drydock, the
hull plating, etc., shall be examined.
(c) The holds, ’tween decks, peaks,
bilges, machinery spaces, and bunkers
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§ 42.09–35
46 CFR Ch. I (10–1–00 Edition)
shall be examined to determine the
condition of the framing, etc.
(d) The deep tanks and other tanks
which form part of the vessel shall be
examined internally.
(e) If a double bottom is fitted, the
tanks normally shall be examined internally. Where double bottom and
other tanks are used for fuel-oil bunkers, such tanks need not be cleaned
out, if the surveyor is able to determine by an external examination that
their general condition is satisfactory.
(f) The deck shall be examined.
(g) Where, owing to the age and condition of the vessel or otherwise, the
surveyor deems it necessary, the shell
and deck plating may be required to be
drilled or other acceptable means used,
in order to ascertain the then thickness of such plating.
§ 42.09–40 Annual surveys.
(a) Relative to §§ 42.09–15(d) and 42.09–
20(c), the assigning and issuing authority shall make an annual survey of
each vessel holding an appropriate certificate issued under this subchapter.
(b) The annual survey shall be of
such scope and extent so as to ensure:
(1) The maintenance in an effective
condition of the fittings and appliances
for the:
(i) Protection of openings;
(ii) Guardrails;
(iii) Freeing ports; and,
(iv) Means of access to crew’s quarters.
(2) That there have not been alterations made to the hull or superstructure which would affect the calculations determining the position of
the load line marks.
(c) The assigning and issuing authority shall report on the annual survey
made to the owner of the vessel.
[CGFR 68–60, 33 FR 10057, July 12, 1968]
§ 42.09–35 Additional survey requirements for wood-hull vessels.
[CGFR 68–60, 33 FR 10057, July 12, 1968 as
amended by CGD 80–143, 47 FR 25149, June 10,
1982]
(a) In addition to the requirements in
§ 42.09–25, the surveyor of the assigning
authority shall examine the items,
etc., listed in this section, to determine
if in satisfactory condition and meeting the applicable requirements in this
subchapter.
(b) When the vessel is in drydock or
hauled out, the keel, stem, stern frame
or sternpost, outside planking, and
caulking shall be examined.
(c) The fasteners shall be examined.
Bolts, screws, or equivalent fastenings,
as deemed necessary by the surveyor,
must be backed out, or otherwise dealt
with, to ensure soundness.
(d) The holds, ’tween decks, peaks,
bilges, machinery spaces, and bunkers
shall be examined.
(e) The entire structure, including
decks, shall be examined. If considered
necessary by the surveyor, borings
shall be made, or other means may be
used, to ascertain the condition of the
materials. Should these measures disclose sufficient cause, further examination to satisfy the surveyor as to the
true condition shall be made and check
locations listed. This list shall be submitted to the assigning and issuing authority for record purposes, and for use
in subsequent surveys.
§ 42.09–45 Correction of deficiencies.
(a) During and after any survey made
by the assigning and issuing authority,
those items, fittings, etc., which are
found to be in an unsatisfactory condition by the surveyor shall be repaired
or renewed in order to place the vessel
in a satisfactory condition.
(b) No load line certificate shall be
issued, endorsed, extended, or reissued
or delivered to a vessel subject to this
subchapter until after unsatisfactory
conditions have been corrected as required by paragraph (a) of this section.
[CGFR 68–60, 33 FR 10057, July 12, 1968, as
amended by CGFR 68–126, 34 FR 9013, June 5,
1969]
§ 42.09–50 Repairs or alterations to
vessel after it has been surveyed.
(a) After any survey of the vessel
made under §§ 42.09–25 to 42.09–40, inclusive, as applicable, has been completed
and deficiencies corrected as provided
in § 42.09–45, no change shall be made in
the vessel’s structure, equipment, arrangement, material, or scantlings as
covered by such survey, without the
prior specific approval of the assigning
and issuing authority.
[CGFR 68–60, 33 FR 10057, July 12, 1968]
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§ 42.11–10
(b) To avoid a freeboard or other penalty, any vessel which undergoes repairs, alterations, or modifications, including outfitting related thereto,
shall continue to comply with the applicable requirements consistent with
the load line certificate held.
(c) An existing vessel, which had a
load line assigned under previous regulations which undergoes repairs, alterations, or modifications of a major
character, shall meet the requirements
for a new vessel in this part insofar as
the assigning and issuing authority
and the Commandant deem reasonable
and practicable.
[CGFR 68–60, 33 FR 10057, July 12, 1968, as
amended by CGD 80–120, 47 FR 5723, Feb. 8,
1982]
cation shall be made for each function
desired and submitted on a timely
basis. The mailing address of the home
office of American Bureau of Shipping
is ABS Plaza, 16855 Northchase Drive,
Houston, TX 77060.
(b) After the Commandant has approved a recognized classification society as a load line assigning and issuing
authority for a vessel, as described in a
written request of the shipowner, the
owner shall apply in writing, on a
timely basis, direct to the approved assigning and issuing authority for the
assignment, survey, and certification
of load lines. When nonconcurrent, a
separate application shall be made to
such authority for each function desired, and submitted on a timely basis.
Subpart 42.11—Applications for
Load Line Assignments, Surveys, and Certificates
[CGFR 68–60, 33 FR 10057, July 12, 1968, as
amended by CGFR 68–126, 34 FR 9013, June 5,
1969; CGD 96–041, 61 FR 50727, Sept. 27, 1996;
USCG–2000–7790, 65 FR 58459, Sept. 29, 2000]
§ 42.11–1
§ 42.11–10 Applications for load line assignments and certificates for vessels other than U.S.-flag vessels.
General.
(a) As described in this subchapter
under §§ 42.07–35, 42.07–40, 42.09–15, and
42.09–20, the American Bureau of Shipping or other recognized classification
societies approved as load line assigning and issuing authorities perform the
duties connected with making load line
assignments to vessels.
(b) The Commandant is responsible
for the administration of the load line
acts, the 1966 Convention, other treaties regarding load lines, and the implementing regulations in this subchapter which include prescribed form
and content of applicable load line certificates.
(c) Except in special instances for
Coast Guard vessels, the Commandant
does not perform the duties of a load
line assigning authority.
(a) The application for the assignment of load lines and certificate for a
foreign vessel belonging to (or which
will belong to) either a country ratifying or acceding to the International
Convention on Load Lines, 1966, or to a
country with which the United States
of America has a reciprocal load line
agreement in effect shall be made by
the Government whose flag the vessel
flies, or will fly. The application may
be made direct to the American Bureau
of Shipping, or after receiving the
Commandant’s approval, to a recognized classification society which that
country has requested as an assigning
and issuing authority. When the load
line assignment and certificate are authorized pursuant to the requirements
in this part, the certificate must contain a statement that it has been
issued at the request of a specific Government, which shall be named therein.
(1) When the load line assignment is
performed under the applicable regulations in this subchapter, the assigning
and issuing authority shall transmit to
the requesting Government at the earliest practicable date, one copy of each
certificate issued, the load line survey
report
used
for
computing
the
[CGFR 68–60, 33 FR 10057, July 12, 1968, as
amended by CGFR 68–126, 34 FR 9013, June 5,
1969; CGD 80–120, 47 FR 5723, Feb. 8, 1982]
§ 42.11–5 Applications for load line assignments, surveys, and certificates
for U.S.-flag vessels.
(a) Normally, the owner, master, or
agent of a vessel shall apply in writing,
on a timely basis, to the American Bureau of Shipping for the assignment,
survey, and certification of load lines.
When nonconcurrent, a separate appli-
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§ 42.11–15
46 CFR Ch. I (10–1–00 Edition)
freeboard, and the freeboard computations. For information, the assigning
and issuing authority shall also notify
the Commandant of the names of the
vessel and the Government involved
and the date and place where the work
was done.
(b) For a foreign vessel of a country
not included in paragraph (a) of this
section, the owner, master, or agent
normally shall apply in writing to the
American Bureau of Shipping, or to
any other recognized assigning and
issuing authority after it has been approved by the Commandant, for the assignment, survey, and certification of
load lines, or for reissue of a load line
certificate, as may be necessary for the
vessel to clear ports of the United
States, the Commonwealth of Puerto
Rico, the Territory of Guam, or other
U.S. possessions. Normally the same
requirements, conditions, procedures,
distribution of applicable certificates,
etc., shall be applied to such foreign
vessels which are applied to similar
U.S.-flag vessels of 150 gross tons or
over.
or the International Convention on
Load Lines, 1966.
[CGFR 68–60, 33 FR 10058, July 12, 1968]
Subpart 42.13—General Rules for
Determining Load Lines
§ 42.13–1
[CGFR 68–60, 33 FR 10058, July 12, 1968]
§ 42.13–5
Application for timber load
(a) The owner, master, or agent of a
vessel having load lines assigned under
this subchapter may apply to the assigning and issuing authority for timber load lines when making his application for a load line certificate. After
the vessel has been found in compliance with the applicable requirements
in this subchapter, it may be marked
with timber load lines, which will also
be certified to in the load line certificate.
[CGFR 68–60, 33 FR 10058, July 12, 1968, as
amended by CGFR 68–126, 34 FR 9013, June 5,
1969]
§ 42.13–10
Freeboards assigned vessels.
(a) Vessels with mechanical means of
propulsion, or lighters, barges, or other
vessels without independent means of
propulsion, shall be assigned freeboards
in accordance with the provisions of
§§ 42.13–1 to 42.20–75, inclusive.
(b) Vessels carrying timber deck cargoes may be assigned, in addition to
the freeboards required by paragraph
(a) of this section, timber freeboards in
accordance with the provisions of
§§ 42.25–1 to 42.25–20, inclusive.
[CGFR 68–60, 33 FR 10058, July 12, 1968, as
amended by CGFR 68–126, 34 FR 9013, June 5,
1969]
§ 42.11–20
vey.
Strength of vessel.
(a) The assigning and issuing authority shall satisfy itself that the general
structural strength of the vessel is sufficient for the draft corresponding to
the freeboard assigned, and when requested
shall
furnish
pertinent
strength information to the Commandant.
(b) Vessels built and maintained in
conformity with the requirements of a
classification society recognized by the
Commandant are considered to possess
adequate strength for the purpose of
the applicable requirements in this
subchapter unless deemed otherwise by
the Commandant.
[CGFR 68–60, 33 FR 10058, July 12, 1968, as
amended by CGFR 68–126, 34 FR 9013, June 5,
1969]
§ 42.11–15
lines.
Assumptions.
(a) The regulations in this part are
based on the assumption that the nature and stowage of the cargo, ballast,
etc., are such as will secure sufficient
stability of the vessel and avoid excessive structural stress.
(b) The regulations in this part are
also based on the assumption that,
where there are other international requirements relating to stability or subdivision applicable to vessels, these requirements have been met.
Application for annual sur-
(a) The owner, master, or agent of a
vessel holding a load line certificate
shall apply to the assigning and issuing
authority who issued the certificate for
the annual survey required by § 42.09–40
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§ 42.13–15
(c) Vessels designed to carry sail,
whether as the sole means of propulsion or as a supplementary means, and
tugs, shall be assigned freeboards in accordance with the provisions of §§ 42.13–
1 to 42.20–75, inclusive, and such additional freeboards as determined necessary by the Commandant under the
procedure of paragraph (f) of this section.
(d) Vessels of wood or of composite
construction, or of other materials the
use of which the Commandant has approved, or vessels whose constructional
features are such as to render the application of the provisions of §§ 42.13–1
to 42.25–20 unreasonable or impracticable, shall be assigned freeboards as
determined necessary by the Commandant under the procedure of paragraph (f) of this section.
(e) The requirements in §§ 42.15–1 to
42.15–80, inclusive, shall apply to every
vessel to which a minimum freeboard is
assigned. Relaxations from these requirements may be granted to a vessel
to which a greater than minimum
freeboard is assigned provided the safety conditions of the vessel are determined to be satisfactory under paragraph (f) of this section.
(f) In each case specified by paragraphs (c) to (e) inclusive of this section, the assigning authority shall report to the Commandant the specific
matters in which the vessel is deficient
or requires special freeboard consideration due to design, arrangement, construction materials, propulsive method, or relaxation of requirements in
this part. The report shall also furnish
background data and recommendations
of the assigning authority (including
freeboard additions), as will enable the
Commandant to reach a decision.
this length is measured shall be parallel to the designed waterline.
(b) Perpendiculars. The forward and
after perpendiculars shall be taken at
the forward and after ends of the
length (L). The forward perpendicular
shall coincide with the foreside of the
stem on the waterline on which the
length is measured.
(c) Amidships. Amidships is at the
middle of the length (L).
(d) Breadth. Unless expressly provided
otherwise, the breadth (B) is the maximum breadth of the vessel, measured
amidships to the molded line of the
frame in a vessel with a metal shell
and to the outer surface of the hull in
a vessel with a shell of any other material.
(e) Molded depth. (1) The molded
depth is the vertical distance measured
from the top of the keel to the top of
the freeboard deck beam at side. In
wood and composite vessels the distance is measured from the lower edge
of the keel rabbet. Where the form at
the lower part of the midship section is
of a hollow character, or where thick
garboards are fitted, the distance is
measured from the point where the line
of the flat of the bottom continued inwards cuts the side of the keel.
(2) In vessels having rounded gunwales, the molded depth shall be measured to the point of intersection of the
molded lines of the deck and sides, the
lines extending as though the gunwale
were of angular design.
(3) Where the freeboard deck is
stepped and the raised part of the deck
extends over the point at which the
molded depth is to be determined, the
molded depth shall be measured to a
line of reference extending from the
lower part of the deck along a line parallel with the raised part.
(f) Depth for freeboard (D). (1) The
depth for freeboard (D) is the molded
depth amidships, plus the thickness of
the freeboard deck stringer plate,
where fitted, plus
[CGFR 68–60, 33 FR 10058, July 12, 1968, as
amended by CGFR 68–126, 34 FR 9013, June 5,
1969]
§ 42.13–15 Definitions of terms.
(a) Length. The length (L) shall be
taken as 96 percent of the total length
on a waterline at 85 percent of the least
molded depth measured from the top of
the keel, or as the length from the
foreside of the stem to the axis of the
rudder stock on that waterline, if that
be greater. In vessels designed with a
rake of keel the waterline on which
T(L¥S)/L
if the exposed
sheathed;
where:
freeboard
deck
is
T is the mean thickness of the exposed
sheathing clear of deck openings; and
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§ 42.13–20
46 CFR Ch. I (10–1–00 Edition)
S is the total length of superstructures as
defined in paragraph (j)(4) of this section.
deck is treated as a superstructure so
far as concerns the application of the
conditions of assignment and the calculation of freeboard. It is from this
deck that the freeboard is calculated.
(j) Superstructure. (1) A superstructure is a decked structure on the freeboard deck, extending from side to side
of the vessel or with the side plating
not being inboard of the shell plating
more than 4 percent to the breadth.
(B). A raised quarter deck is regarded
as a superstructure.
(2) An enclosed superstructure is a
superstructure with:
(i) Enclosing bulkheads of efficient
construction;
(ii) Access openings, if any in these
bulkheads fitted with doors complying
with the requirements of § 42.15–10; and,
(iii) All other openings in sides or
ends of the superstructure fitted with
efficient weathertight means of closing.
(2) The depth for freeboard (D) in a
vessel having a rounded gunwale with a
radius greater than 4 percent of the
breadth (B) or having topsides of unusual form is the depth for freeboard of
a vessel having a midship section with
vertical topsides and with the same
round of beam and area of topside section equal to that provided by the actual midship section.
(g) Block coefficient. The block coefficient (Cb) is given by
Cb=∆/L.B.d1
where ∆ is the volume of the molded
displacement of the vessel, excluding
bossing, in a vessel with a metal shell,
and is the volume of displacement to
the outer surface of the hull in a vessel
with a shell of any other material, both
taken at a molded draft of d1; and, d1 is
85 percent of the least molded depth.
(h) Freeboard. The freeboard assigned
is the distance measured vertically
downward amidships from the upper
edge of the deck line to the upper edge
of the related load line.
(i) Freeboard deck. (1) The freeboard
deck is normally the uppermost complete deck exposed to weather and sea,
which has permanent means of closing
all openings in the weather part thereof, and below which all openings in the
sides of the vessel are fitted with permanent means of watertight closing. In
a vessel having a discontinuance freeboard deck, the lowest line of the exposed deck and the continuation of
that line parallel to the upper part of
the deck is taken as the freeboard
deck. At the option of the owner and
subject to the approval of the assigning
authority a lower deck may be designated as the freeboard deck, provided it
is a complete and permanent deck continuous in a fore and aft direction at
least between the machinery space and
peak bulkheads and continuous athwartships. When this lower deck is
stepped the lowest line of the deck and
the continuation of that line parallel
to the upper part of the deck is taken
as the freeboard deck.
(2) When a lower deck is designated
as the freeboard deck, that part of the
hull which extends above the freeboard
NOTE: A bridge or poop shall not be regarded as enclosed unless access is provided
for the crew to reach machinery and other
working spaces inside the superstructures by
alternative means, which are available at all
times when bulkhead openings are closed.
(3) The height of a superstructure is
the least vertical height measured at
side from the top of the superstructure
deck beams to the top of the freeboard
deck beams.
(4) The length of a superstructure (S)
is the mean length of the part of the
superstructure which lies within the
length (L).
(k) Flush deck vessel. A flush deck
vessel is one which has no superstructure on the freeboard deck.
(l) Weathertight. Weathertight means
that in any sea conditions water will
not penetrate into the vessel.
[CGFR 68–60, 33 FR 10058, July 12, 1968, as
amended by CGFR 68–126, 34 FR 9013, June 5,
1969; 43 FR 31928, July 24, 1978]
§ 42.13–20 Deck line.
(a) The deck line is a horizontal line
12 inches in length and 1 inch in
breadth. It shall be marked amidships
on each side of the vessel, and its upper
edge shall normally pass through the
point where the continuation outwards
of the upper surface of the freeboard
deck intersects the outer surface of the
shell (as illustrated in Figure 42.13–
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§ 42.13–30
20(a)), provided that the deck line may
be placed with reference to another
fixed point on the vessel on condition
that the freeboard is correspondingly
corrected. The location of the reference
point and the identification of the
freeboard deck shall in all cases be indicated on the International Load Line
Certificate (1966), and, as applicable, on
all other load line certificates issued
pursuant to this part 42.
FIGURE 42.13–25(a)—Load line mark and lines to be
used with this mark.
[CGFR 68–60, 33 FR 10059, July 12, 1968]
§ 42.13–30 Lines to be used with the
load line mark.
(a) The lines which indicate the load
line assigned in accordance with the
regulations in this part shall be horizontal lines 9 inches in length and 1
inch in breadth which extend forward
of, unless expressly provided otherwise,
and at right angles to, a vertical line 1
inch in breadth marked at a distance 21
inches forward of the center of the ring
(as illustrated in Figure 42.13–25(a)).
(b) The following load lines shall be
used:
(1) The summer load line indicated by
the upper edge of the line which passes
through the center of the ring and also
by a line marked S.
(2) The winter load line indicated by
the upper edge of a line marked W.
(3) The winter North Atlantic load
line indicated by the upper edge of a
line marked WNA.
(4) The tropical load line indicated by
the upper edge of a line marked T.
(5) The fresh water load line in summer indicated by the upper edge of a
line marked F. The fresh water load
line in summer is marked abaft the
vertical line. The difference between
the fresh water load line in summer
and the summer load line is the allowance to be made for loading in fresh
water at the other load lines.
(6) The tropical fresh water load line
indicated by the upper edge of a line
FIGURE 42.13–20(a)—Deck line.
[CGFR 68–60, 33 FR 10059, July 12, 1968, as
amended by CGFR 68–126, 34 FR 9014, June 5,
1969]
§ 42.13–25
Load line mark.
(a) The load line mark shall consist
of a ring 12 inches in outside diameter
and 1 inch wide which is intersected by
a horizontal line 18 inches in length
and 1 inch in breadth, the upper edge of
which passes through the center of the
ring. The center of the ring shall be
placed amidships and at a distance
equal to the assigned summer freeboard measured vertically below the
upper edge of the deck line (as illustrated in Figure 42.13–25(a)).
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§ 42.13–35
46 CFR Ch. I (10–1–00 Edition)
marked TF, and marked abaft the
vertical line.
(c) If timber freeboards are assigned,
the timber load lines shall be marked
in addition to ordinary load lines.
These lines shall be horizontal lines 9
inches in length and 1 inch in breadth
which extend abaft unless expressly
provided otherwise, and are at right
angles to, a vertical line 1 inch in
breadth marked at a distance 21 inches
abaft the center of the ring (as illustrated in Figure 42.13–30(c)).
any of the seasonal lines inapplicable,
these lines may be omitted.
(f) Where a vessel is assigned a greater than minimum freeboard so that the
load line is marked at a position corresponding to, or lower than, the lowest seasonal load line assigned at minimum freeboard in accordance with the
present Convention, only the fresh
water load line need be marked.
(g) On sailing vessels only the fresh
water load line and the winter North
Atlantic load line need be marked (as
illustrated in Figure 42.13–30(g)).
FIGURE 42.13–30(c)—Timber load line mark and lines
to be used with this mark.
(d) The following timber load lines
shall be used:
(1) The summer timber load line indicated by the upper edge of a line
marked LS.
(2) The winter timber load line indicated by the upper edge of a line
marked LW.
(3) The winter North Atlantic timber
load line indicated by the upper edge of
a line marked LWNA.
(4) The tropical timber load line indicated by the upper edge of a line
marked LT.
(5) The fresh water timber load line
in summer indicated by the upper edge
of a line marked LF and marked forward of the vertical line.
Figure 42.13–30(g)—Load line mark on sailing vessel
and lines to be used with this mark.
(h) Where a winter North Atlantic
load line is identical with the winter
load line corresponding to the same
vertical line, this load line shall be
marked W.
(i) Additional load lines required by
other international conventions in
force may be marked at right angles to
and abaft the vertical line specified in
paragraph (a) of this section.
[CGFR 68–60, 33 FR 10059, July 12, 1968, as
amended by CGFR 68–126, 34 FR 9014, June 5,
1969]
NOTE: The difference between the fresh
water timber load line in summer and the
summer timber load line is the allowance to
be made for loading in fresh water at the
other timber load lines.
§ 42.13–35
Mark of assigning authority.
(a) The mark of the assigning authority by whom the load lines are assigned
may be indicated alongside the load
line ring above the horizontal line
which passes through the center of the
ring, or above and below it. This mark
shall consist of not more than four initials
to
identify
the
assigning
(6) The tropical fresh water timber
load line indicated by the upper edge of
a line marked LTF and marked forward
of the vertical line.
(e) Where the characteristics of a
vessel, or the nature of the vessel’s
service or navigational limits make
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§ 42.15–15
authority’s name, each measuring approximately 41⁄2 inches in height and 3
inches in width.
vessel under varying conditions of service, and a copy shall be furnished to
the Commandant.
[CGFR 68–60, 33 FR 10060, July 12, 1968]
[CGFR 68–60, 33 FR 10060, July 12, 1968, as
amended by CGFR 68–126, 34 FR 9014, June 5,
1969]
§ 42.13–40 Details of marking.
(a) The ring, lines and letters shall be
painted in white or yellow on a dark
ground or in black on a light ground.
They shall also be permanently marked
on the sides of the vessels to the satisfaction of the assigning authority. The
marks shall be plainly visible and, if
necessary, special arrangements shall
be made for this purpose.
§ 42.15–5 Superstructure
heads.
end
bulk-
(a) Bulkheads at exposed ends of enclosed superstructures shall be of efficient construction and shall be to the
satisfaction of the assigning authority.
[CGFR 68–60, 33 FR 10060, July 12, 1968, as
amended by CGFR 68–126, 34 FR 9014, June 5,
1969]
[CGFR 68–60, 33 FR 10060, July 12, 1968, as
amended by CGFR 68–126, 34 FR 9014, June 5,
1969]
§ 42.15–10
§ 42.13–45 Verification of marks.
(a) The International Load Line Certificate (1966) shall not be delivered to
the vessel until § 42.07–5 has been fully
complied with under the authority and
provisions of subparts 42.07 and 42.09 of
this part.
Doors.
(a) All access openings in bulkheads
at ends of enclosed superstructures
shall be fitted with doors of steel or
other equivalent material, permanently and strongly attached to the
bulkhead, and framed, stiffened and
fitted so that the whole structure is of
equivalent strength to the unpierced
bulkhead
and
weathertight
when
closed. The means for securing these
doors weathertight shall consist of gaskets and clamping devices or other
equivalent means and shall be permanently attached to the bulkhead or to
the doors themselves, and the doors
shall be so arranged that they can be
operated from both sides of the bulkhead.
(b) Except as otherwise provided in
these regulations, the height of the
sills of access openings in bulkheads at
ends of enclosed superstructures shall
be at least 15 inches above the deck.
[CGFR 68–60, 33 FR 10060, July 12, 1968, as
amended by CGFR 68–126, 34 FR 9014, June 5,
1969]
Subpart 42.15—Conditions of
Assignment of Freeboard
§ 42.15–1 Information to be supplied to
the master.
(a) The master of every new vessel
shall be supplied with sufficient information in a form approved by the assigning and issuing authority, to enable him to arrange for the loading and
ballasting of his vessel in such a way as
to avoid the creation of any unacceptable stresses in the vessel’s structure:
Provided, That this requirement need
not apply to any particular length, design or class of vessel where the Commandant considers it to be unnecessary
and so notifies the assigning and
issuing authority.
(b) The master of every new vessel,
which is not already provided with stability information under an international convention for the safety of
life at sea in force, shall be supplied
with sufficient information in a form
approved by the Commandant, to give
him guidance as to the stability of the
[CGFR 68–60, 33 FR 10060, July 12, 1968]
§ 42.15–15 Positions
of
hatchways,
doorways and ventilators.
(a) For the purpose of this part two
positions of hatchways, doorways and
ventilators are defined as follows:
(1) Position 1: Upon exposed freeboard and raised quarter decks, and
upon exposed superstructure decks situated forward of a point located a
quarter of the vessel’s length from the
forward perpendicular.
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§ 42.15–20
46 CFR Ch. I (10–1–00 Edition)
(2) Position 2: Upon exposed superstructure decks situated abaft a quarter of the vessel’s length from the forward perpendicular.
pounds per square foot for vessels of 79
feet in length and shall be not less than
358 pounds per square foot for vessels of
328 feet in length. The corresponding
loads on hatchways in position 2 may
be reduced to 154 pounds per square
foot and 266 pounds per square foot respectively. In all cases values at intermediate lengths shall be obtained by
linear interpolation.
(c) Portable beams. (1) Where portable
beams for supporting hatchway covers
are made of mild steel the strength
shall be calculated with assumed loads
not less than 358 pounds per square foot
on hatchways in position 1 and not less
than 266 pounds per square foot on
hatchways in position 2 and the product of the maximum stress thus calculated and the factor 5 shall not exceed the minimum ultimate strength
of the material. They shall be so designed as to limit the deflection to not
more than 0.0022 times the span under
these loads. For vessels of not more
than 328 feet in length the requirements of paragraph (b)(4) of this section are applicable.
(d) Pontoon covers. (1) Where pontoon
covers used in place of portable beams
and covers are made of mild steel the
strength shall be calculated with the
assumed loads given in paragraph (b)(3)
of this section, and the product of the
maximum stress thus calculated and
the factor 5 shall not exceed the minimum ultimate strength of the material. They shall be so designed as to
limit the deflection to not more than
0.0022 times the span. Mild steel plating
forming the tops of covers shall be not
less in thickness than 1 percent of the
spacing of stiffeners or 0.24 inches if
that be greater. For vessels of not more
than 328 feet in length the requirements of paragraph (b)(4) of this section are applicable.
(2) The strength and stiffness of covers made of materials other than mild
steel shall be equivalent to those of
mild steel to the satisfaction of the assigning authority.
(e) Carriers or sockets. (1) Carriers or
sockets for portable beams shall be of
substantial construction, and shall provide means for the efficient fitting and
securing of the beams. Where rolling
[CGFR 68–60, 33 FR 10060, July 12, 1968, as
amended by CGFR 68–126, 34 FR 9014, June 5,
1969]
§ 42.15–20 Cargo and other hatchways.
(a) The construction and the means
for securing the weathertightness of
cargo and other hatchways in positions
1 and 2 shall be at least equivalent to
the requirements of §§ 42.15–25 and
42.15–30.
(b) Coamings and hatchway covers to
exposed hatchways on decks above the
superstructure deck shall comply with
the requirements of the assigning authority.
[CGFR 68–60, 33 FR 10060, July 12, 1968, as
amended by CGFR 68–126, 34 FR 9014, June 5,
1969]
§ 42.15–25 Hatchways closed by portable covers and secured weathertight by tarpaulins and battening
devices.
(a) Hatchway coamings. (1) The
coamings of hatchways closed by portable covers secured weathertight by
tarpaulins and battening devices shall
be of substantial construction, and
their height above the deck shall be at
least as follows:
(i) 231⁄2 inches if in position 1.
(ii) 171⁄2 inches if in position 2.
(b) Hatchway covers. (1) The width of
each bearing surface for hatchway covers shall be at least 21⁄2 inches.
(2) Where covers are made of wood,
the finished thickness shall be at least
23⁄8 inches in association with a span of
not more than 4.9 feet.
(3) Where covers are made of mild
steel, the strength shall be calculated
with assumed loads not less than 358
pounds per square foot on hatchways in
position 1, and not less than 266 pounds
per square foot on hatchways in position 2, and the product of the maximum stress thus calculated and the
factor 4.25 shall not exceed the minimum ultimate strength of the material. They shall be so designed as to
limit the deflection to not more than
0.0028 times the span under these loads.
(4) The assumed loads on hatchways
in position 1 may be reduced to 205
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§ 42.15–35
types of beams are use, the arrangements shall ensure that the beams remain properly in position when the
hatchway is closed.
(f) Cleats. (1) Cleats shall be set to fit
the taper of the wedges. They shall be
at least 21⁄2 inches wide and spaced not
more than 231⁄2 inches center to center;
the cleats along each side or end shall
be not more than 6 inches from the
hatch corners.
(g) Battens and wedges. (1) Battens
and wedges shall be efficient and in
good condition. Wedges shall be of
tough wood or other equivalent material. They shall have a taper of not
more than 1 in 6 and shall be not less
than 1⁄2-inch thick at the toes.
(h) Tarpaulins. (1) At least two layers
of tarpaulin in good condition shall be
provided for each hatchway in positions 1 and 2.
(2) The tarpaulins shall be waterproof
and of ample strength. They shall be of
a material of at least a standard
weight and quality as approved by the
assigning and issuing authority.
(i) Security of hatchway covers. (1) For
all hatchways in position 1 or 2, steel
bars or other equivalent means shall be
provided in order efficiently and independently to secure each section of
hatchway covers after the tarpaulins
are battened down. Hatchway covers of
more than 4.9 feet in length shall be secured by at least two such securing appliances.
they shall be of substantial construction.
(b) Weathertight covers. (1) Where
weathertight covers are of mild steel
the strength shall be calculated with
assumed loads not less than 358 pounds
per square foot on hatchways in position 1, and not less than 255 pounds per
square foot on hatchways in position 2,
and the product of the maximum stress
thus calculated and the factor of 4.25
shall not exceed the minimum ultimate strength of the material. They
shall be so designed as to limit the deflection to not more than 0.0028 times
the span under these loads. Mild steel
plating forming the tops of covers shall
be not less in thickness than one percent of the spacing of stiffeners or 0.24
inches if that be greater. The provisions of § 42.15–25(b)(4) are applicable
for vessels of not more than 328 feet in
length.
(2) The strength and stiffness of covers made of materials other than mild
steel shall be equivalent to those of
mild steel to the satisfaction of the assigning authority.
(c) Means for securing weathertightness. (1) The means for securing and
maintaining weathertightness shall be
to the satisfaction of the assigning authority.
(2) The arrangements shall ensure
that the tightness can be maintained
in any sea conditions. For this purpose
tests for tightness shall be required at
the initial surveys, and may be required at periodical surveys and at annual surveys or at more frequent intervals.
[CGFR 68–60, 33 FR 10060, July 12, 1968, as
amended by CGFR 68–126, 34 FR 9014, June 5,
1969]
[CGFR 68–60, 33 FR 10061, July 12, 1968, as
amended by CGFR 68–126, 34 FR 9014, June 5,
1969]
§ 42.15–30 Hatchways closed by weathertight covers of steel or other
equivalent material fitted with gaskets and clamping devices.
§ 42.15–35 Machinery space openings.
(a) Machinery space openings in position 1 or 2 shall be properly framed and
efficiently enclosed by steel casings of
ample strength, and where the casings
are not protected by other structures
their strength shall be specifically considered. Access openings in such casings shall be fitted with doors complying with the requirements of § 42.15–
10(a), the sills of which shall be at least
231⁄2 inches above the deck if in position
1, and at least 15 inches above the deck
if in position 2. Other openings in such
(a) Hatchway coamings. At positions 1
and 2 the height above the deck of
hatchway coamings fitted with weathertight hatch covers of steel or other
equivalent material fitted with gaskets
and clamping devices shall be as specified in § 42.15–25(a)(1). The height of
these coamings may be reduced, or the
coamings omitted entirely, on condition that the assigning authority is
satisfied that the safety of the vessel is
not thereby impaired in any sea conditions. Where coamings are provided
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§ 42.15–40
46 CFR Ch. I (10–1–00 Edition)
casings shall be fitted with equivalent
covers, permanently attached in their
proper positions.
(b) Coamings of any fiddley, funnel,
or machinery space ventilators in an
exposed position on the freeboard or
superstructure deck shall be as high
above the deck as is reasonable and
practicable. Fiddley openings shall be
fitted with strong covers of steel or
other equivalent material permanently
attached in their proper positions and
capable of being secured weathertight.
structed and efficiently connected to
the deck. Where the coaming of any
ventilator exceeds 351⁄2 inches in height
it shall be specially supported.
(b) Ventilators passing through superstructures other than enclosed superstructures shall have substantially
constructed coamings of steel or other
equivalent material at the freeboard
deck.
(c) Ventilators in position 1 the
coamings of which extend to more than
14.8 feet above the deck, and in position
2 the coamings of which extend to more
than 7.5 feet above the deck, need not
be fitted with closing arrangements unless specifically required by the assigning authority.
(d) Except as provided in paragraph
(c) of this section ventilator openings
shall be provided with efficient weathertight closing appliances. In vessels of
not more than 328 feet in length the
closing appliances shall be permanently attached; where not so provided
in other vessels, they shall be conveniently stowed near the ventilators to
which they are to be fitted. Ventilators
in position 1 shall have coamings of a
height of at least 351⁄2 inches above the
deck; in position 2 the coamings shall
be of a height at least 30 inches above
the deck.
(e) In exposed positions, the height of
coamings may be required to be increased to the satisfaction of the assigning authority.
[CGFR 68–60, 33 FR 10061, July 12, 1968]
§ 42.15–40 Miscellaneous openings in
freeboard
and
superstructure
decks.
(a) Manholes and flush scuttles in position 1 or 2 or within superstructures
other than enclosed superstructures
shall be closed by substantial covers
capable of being made watertight. Unless secured by closely spaced bolts,
the covers shall be permanently attached.
(b) Openings in freeboard decks other
than hatchways, machinery space
openings, manholes, and flush scuttles
shall be protected by an enclosed superstructure, or by a deckhouse or
companionway of equivalent strength
and weathertightness. Any such opening in an exposed superstructure deck
or in the top of a deckhouse on the
freeboard deck which gives access to a
space below the freeboard deck or a
space within an enclosed superstructure shall be protected by an efficient deckhouse or companionway.
Doorways in such deckhouses or companionways shall be fitted with doors
complying with the requirements of
§ 42.15–10(a).
(c) In position 1 the height above the
deck of sills to the doorways in companionways shall be at least 231⁄2
inches. In position 2 they shall be at
least 15 inches.
[CGFR 68–60, 33 FR 10061, July 12, 1968, as
amended by CGFR 68–126, 34 FR 9014, June 5,
1969]
§ 42.15–50
Air pipes.
(a) Where air pipes to ballast and
other tanks extend above the freeboard
or superstructure decks, the exposed
parts of the pipes shall be of substantial construction; the height from the
deck to the point where water may
have access below shall be at least 30
inches on the freeboard deck and 171⁄2
inches on the superstructure deck.
Where these heights may interfere with
the working of the vessel, a lower
height may be approved, provided the
assigning authority is satisfied that
the closing arrangements and other
circumstances justify a lower height.
[CGFR 68–60, 33 FR 10061, July 12, 1968, as
amended by CGFR 68–126, 34 FR 9014, June 5,
1969]
§ 42.15–45 Ventilators.
(a) Ventilators in position 1 or 2 to
spaces below the freeboard decks or
decks of enclosed superstructures shall
have coamings of steel or other equivalent
material,
substantially
con-
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§ 42.15–65
Satisfactory means permanently attached, shall be provided for closing
the openings of the air pipes.
means of closing may be accepted subject to the approval of the assigning
authority. The means for operating the
positive action valve shall be readily
accessible and provided with an indicator showing whether the valve is
open or closed.
(b) In manned machinery spaces main
and auxiliary sea inlets and discharges
in connection with the operation of
machinery may be controlled locally.
The controls shall be readily accessible
and shall be provided with indicators
showing whether the valves are open or
closed.
(c) Scuppers and discharge pipes originating at any level and penetrating
the shell either more than 171⁄2 inches
below the freeboard deck or less than
231⁄2 inches above the summer load waterline shall be provided with a nonreturn valve at the shell. This valve,
unless required by paragraph (a) of this
section, may be omitted if the piping is
of thickness as specified in Part 56 in
Subchapter F (Marine Engineering) of
this chapter.
(d) Scuppers leading from superstructures or deckhouses not fitted
with doors complying with the requirements of § 42.15–10 shall be led overboard.
(e) All valves and shell fittings required by this section shall be of steel,
bronze, or other approved ductile material. Valves of ordinary cast iron or
similar material are not acceptable.
All pipes to which this section refers
shall be of steel or other equivalent
material to the satisfaction of the assigning authority.
[CGFR 68–60, 33 FR 10062, July 12, 1968, as
amended by CGFR 68–126, 34 FR 9014, June 5,
1969]
§ 42.15–55 Cargo ports and other similar openings.
(a) Cargo ports and other similar
openings in the sides of vessels below
the freeboard deck shall be fitted with
doors so designed as to ensure
watertightness and structural integrity commensurate with the surrounding shell plating, to the satisfaction of the assigning authority. The arrangements shall be subject to tightness tests at the initial survey and at
such subsequent surveys or more frequent intervals as deemed necessary.
The number of such openings shall be
the minimum compatible with the design and proper working of the vessel.
(b) Unless permitted by the Commandant the lower edge of such openings shall not be below a line drawn
parallel to the freeboard deck at side,
which has at its lowest point the upper
edge of the uppermost load line.
[CGFR 68–60, 33 FR 10062, July 12, 1968, as
amended by CGFR 68–126, 34 FR 9014, June 5,
1969]
§ 42.15–60 Scuppers, inlets, and discharges.
(a) Discharges led through the shell
either from spaces below the freeboard
deck or from within superstructures
and deckhouses on the freeboard deck
fitted with doors complying with the
requirements of § 42.15–10 shall be fitted
with efficient and accessible means for
preventing water from passing inboard.
Normally, each separate discharge
shall have one automatic nonreturn
valve with a positive means of closing
it from a position above the freeboard
deck. Where, however, the vertical distance from the summer load waterline
to the inboard end of the discharge pipe
exceeds 0.01L, the discharge may have
two automatic nonreturn valves without positive means of closing: Provided,
That the inboard valve is always accessible for examination under service
conditions; where that vertical distance exceeds 0.02L a single automatic
nonreturn valve without positive
[CGFR 68–60, 33 FR 10062, July 12, 1968, as
amended by CGFR 68–126, 34 FR 9014, June 5,
1969]
§ 42.15–65 Side scuttles.
(a) Side scuttles to spaces below the
freeboard deck or to spaces within enclosed superstructures shall be fitted
with efficient hinged inside deadlights
arranged so that they can be effectively closed and secured watertight.
(b) No side scuttle shall be fitted in a
position so that its sill is below a line
drawn parallel to the freeboard deck at
side and having its lowest point 2.5 percent of the breadth (B) above the load
waterline, or 191⁄2 inches, which ever is
the greater distance.
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§ 42.15–70
46 CFR Ch. I (10–1–00 Edition)
TABLE 42.15–70(C)
(c) The side scuttles, together with
their glasses, if fitted, and deadlights,
shall be of substantial and approved
construction.
[CGFR 68–60, 33 FR 10062, July 12, 1968]
§ 42.15–70
Freeing ports.
(a) Where bulwarks on the weather
portions of freeboard or superstructure
decks form wells, ample provision shall
be made for rapidly freeing the deck of
water and for draining them. Except as
provided in paragraphs (b) and (c) of
this section, the minimum freeing port
area (A) on each side of the vessel for
each well on the freeboard deck shall
be that given by the following formulae
in cases where the sheer in way of the
well is standard or greater than standard. The minimum area for each well
on superstructure decks shall be onehalf of the area given by the formulae.
(1) Where the length of bulwark (l) in
the well is 66 feet or less A=7.6+0.115l
(square feet)
(2) Where l exceeds 66 feet A=0.23l
(square feet)
(3) l need in no case be taken as
greater than 0.7L.
(4) If the bulwark is more than 3.9
feet in average height the required area
shall be increased by 0.04 square feet
per foot of length of well for each foot
difference in height. If the bulwark is
less than 3 feet in average height, the
required area may be decreased by 0.04
square feet per foot of length for each
foot difference in height.
(b) In vessels with no sheer the area
calculated according to paragraph (a)
of this section shall be increased by 50
percent. Where the sheer is less than
the standard the percentage shall be
obtained by linear interpolation.
(c) Where a vessel is fitted with a
trunk which does not comply with the
requirements of § 42.20–55(a)(5) or where
continuous or substantially continuous
hatchway side coamings are fitted between detached superstructures the
minimum area of the freeing port openings shall be calculated from Table
42.15–70(c):
Breadth of hatchway or trunk in relation to
the breadth of vessel
Area of freeing
ports in relation
to the total area
of the bulwarks
40 percent or less ......................................
75 percent or more ....................................
20 percent.
10 percent.
NOTE: The area of freeing ports at intermediate breadths shall be obtained by linear
interpolation.
(d) In vessels having superstructures
which are open at either or both ends,
adequate provision for freeing the
space within such superstructures shall
be provided to the satisfaction of the
assigning authority.
(e) The lower edges of the freeing
ports shall be as near the deck as practicable. Two-thirds of the freeing port
area required shall be provided in the
half of the well nearest the lowest
point of the sheer curve.
(f) All such openings in the bulwarks
shall be protected by rails or bars
spaced approximately 9 inches apart. If
shutters are fitted to freeing ports,
ample clearance shall be provided to
prevent jamming. Hinges shall have
pins or bearings of noncorrodible material. If shutters are fitted with securing
appliances, these appliances shall be of
approved construction.
[CGFR 68–60, 33 FR 10062, July 12, 1968, as
amended by CGFR 68–126, 34 FR 9014, June 5,
1969]
§ 42.15–75
Protection of the crew.
(a) The strength of the deckhouses
used for the accommodation of the
crew shall be to the satisfaction of the
assigning authority.
(b) Efficient guard rails or bulwarks
must be fitted on all exposed parts of
the freeboard and superstructure decks
as follows:
(1) The height of the bulwarks or
guard rails must be at least 391⁄2 inches
from the deck, provided that where
this height would interfere with the
normal operation of the vessel, a lesser
height may be approved if the Commandant and the assigning authority
are satisfied that adequate protection
is provided.
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§ 42.20–3
(2) On each vessel that is initially
surveyed for load line assignment after
January 1, 1976, and that is exclusively
engaged in towing operations, the minimum bulwark or rail height on the
freeboard deck may be reduced to 30
inches provided the assigning authority is satisfied that adequate grabrails
are provided around the periphery of
the deckhouse.
(3) Portable rails may be used when
operating conditions warrant their use.
(c) The opening below the lowest
course of the guard rails shall not exceed 9 inches. The other courses shall
be not more than 15 inches apart. In
the case of vessels with rounded
gunwales the guard rail supports shall
be placed on the flat of the deck.
(d) Satisfactory means (in the form
of guard rails, life lines, gangways or
underdeck passages, etc.) shall be provided for the protection of the crew in
getting to and from their quarters, the
machinery space and all other parts
used in the necessary work of the vessel.
(e) Deck cargo carried on any vessel
shall be so stowed that any opening
which is in way of the cargo and which
gives access to and from the crew’s
quarters, the machinery space and all
other parts used in the necessary work
of the vessel, can be properly closed
and secured against the admission of
water. Effective protection for the crew
in the form of guard rails or life lines
shall be provided above the deck cargo
if there is no convenient passage on or
below the deck of the vessel.
as strongly constructed as the casing
and is separated from the stairway to
the engine room by a second weathertight door of steel or equivalent material.
(b) Gangway and access. (1) An efficiently constructed fore and aft permanent gangway of sufficient strength
shall be fitted on Type ‘‘A’’ vessels at
the level of the superstructure deck between the poop and the midship bridge
or deckhouse where fitted, or equivalent means of access shall be provided
to carry out the purpose of the gangway, such as passages below deck. Elsewhere, and on Type ‘‘A’’ vessels without a midship bridge, arrangements to
the satisfaction of the assigning authority shall be provided to safeguard
the crew in reaching all parts used in
the necessary work of the ship.
(2) Safe and satisfactory access from
the gangway level shall be available
between separates crew accommodations and also between crew accommodations and the machinery space.
(c) Hatchways. Exposed hatchways on
the freeboard and forecastle decks or
on the tops of expansion trunks on
Type ‘‘A’’ vessels shall be provided
with efficient watertight covers of
steel or other equivalent material.
(d) Freeing arrangements. (1) Type ‘‘A’’
vessels with bulwarks shall have open
rails fitted for at least half the length
of the exposed parts of the weather
deck or other effective freeing arrangements. The upper edge of the sheer
strake shall be kept as low as practicable.
(2) Where superstructures are connected by trunks, open rails shall be
fitted for the whole length of the exposed parts of the freeboard deck.
[CGFR 68–60, 33 FR 10062, July 12, 1968, as
amended by CGFR 68–126, 34 FR 9014, June 5,
1969; CGD 74–164, 41 FR 1470, Jan. 8, 1976]
§ 42.15–80 Special conditions of assignment for Type ‘‘A’’ vessels.
(a) Machinery casings. Machinery casings on Type ‘‘A’’ vessels as defined in
§ 42.09–5(b) must be protected by an enclosed poop or bridge of at least standard height, or by a deckhouse of equal
height and equivalent strength, except
that machinery casings may be exposed
if there are no openings giving direct
access from the freeboard deck to the
machinery space. A door complying
with the requirements of § 42.15–10 is
permitted in the machinery casing if it
leads to a space or passageway which is
[CGFR 68–60, 33 FR 10063, July 12, 1968, as
amended by CGFR 68–126, 34 FR 9014, June 5,
1969; CGD 79–153, 48 FR 38647, Aug. 25, 1983]
Subpart 42.20—Freeboards
§ 42.20–3 Freeboard assignment: Type
‘‘A’’ vessels.
(a) A Type ‘‘A’’ vessel is assigned a
freeboard not less than that based on
Table 42.20–15(a)(1) provided that the
vessel meets the flooding standard in
§ 42.20–6.
(b) A vessel that meets the requirements of Subpart D, F, or G of Part 172
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§ 42.20–5
46 CFR Ch. I (10–1–00 Edition)
TABLE
42.20–5(B)—FREEBOARD
INCREASE
OVER TABULAR FREEBOARD FOR TYPE ‘‘B’’
VESSELS WITH HATCH COVERS NOT COMPLYING WITH § 42.15–25(D) OR § 42.15–
30.—Continued
of this chapter is considered by the
Coast Guard as meeting the flooding
standard referenced in paragraph (a) of
this section.
[CGD 79–153, 48 FR 38647, Aug. 25, 1983 as
amended by CGD 79–023, 49 FR 26593, June 28,
1984]
[Metric]
Length of ship (meters)
Freeboard increase 1 (millimeters)
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
3200
206
210
215
219
224
228
232
236
240
244
247
251
254
258
261
264
267
270
273
275
278
280
283
285
287
290
292
294
297
299
301
304
306
308
311
313
315
318
320
322
325
327
329
332
334
336
339
341
343
346
348
350
353
355
357
358
§ 42.20–5 Freeboard assignment: Type
‘‘B’’ vessels.
(a) Each Type ‘‘B’’ vessel is assigned
a freeboard from Table 42.20–15(b)(1)
that is increased or decreased by the
provisions of this section.
(b) Each Type ‘‘B’’ vessel that has a
hatchway in position 1, must have the
freeboard assigned in accordance with
paragraph (a) of this section increased
by the amount given in Table 42.20–5(b)
unless the hatch cover complies with:
(1) Section 42.15–25(d); or
(2) Section 42.15–30.
TABLE
42.20–5(B)—FREEBOARD
INCREASE
OVER TABULAR FREEBOARD FOR TYPE ‘‘B’’
VESSELS WITH HATCH COVERS NOT COMPLYING WITH § 42.15–25(D) OR § 42.15–30.
[Metric]
Length of ship (meters)
Freeboard increase 1 (millimeters)
2108
50
52
55
57
59
62
64
68
70
73
76
80
84
87
91
95
99
103
108
112
116
121
126
131
136
142
147
153
159
164
170
175
181
186
191
196
201
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
1 Freeboards at intermediate lengths of ship shall be obtained by linear interpolation.
2 108 and below.
3 Ships above 200 meters in length are subject to individual
determination by the Commandant.
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§ 42.20–7
[English]
Length of ship (feet)
Freeboard increase 1 (inches)
2350
2.0
2.3
2.6
2.9
3.3
3.7
4.2
4.7
5.2
5.8
6.4
7.0
7.6
8.2
8.7
9.2
9.6
10.0
10.4
10.7
11.0
11.4
11.8
12.1
12.5
12.8
13.1
13.4
13.6
13.9
14.1
14.3
360
370
380
390
400
410
420
430
440
450
460
470
480
490
500
510
520
530
540
550
560
570
580
590
600
610
620
630
640
650
3660
(e) The freeboards for a Type ‘‘B’’
vessel which complies with paragraph
(c) of this section may be reduced up to
the total difference between the
freeboard tables referenced in paragraph (d) of this section provided that
the vessel meets the flooding standard
in § 42.20–8 and the provisions of § 42.15–
80 (a), (b) and (d) as if it were a Type
‘‘A’’ vessel.
[CGD 79–153, 48 FR 38647, Aug. 25, 1983, as
amended by CGD 76–080, 54 FR 36976, Sept. 6,
1989]
§ 42.20–6 Flooding standard: Type ‘‘A’’
vessels.
(a) Design calculations must be submitted that demonstrate that the vessel will remain afloat in the conditions
of equilibrium specified in § 42.20–12 assuming the damage specified in § 42.20–
11 as applied to the following flooding
standards:
(1) If the vessel is over 150 meters (492
feet) in length it must be able to withstand the flooding of any one compartment, except the machinery space.
(2) If the vessel is over 225 meters (738
feet) in length, it must be able to withstand the flooding of any one compartment, treating the machinery space as
a floodable compartment.
(b) When doing the calculations required in paragraph (a) of this section,
the following permeabilities must be
assumed:
(1) 0.95 in all locations except the machinery space.
(2) 0.85 in the machinery space.
1 Freeboards at intermediate lengths of ship be obtained by
linear interpolation.
2 350 and below.
3 Ships above 660 feet in length are subject to individual
determination by the Commandant.
(c) Any Type ‘‘B’’ vessel that is
greater than 100 meters (328 feet) in
length and any hopper dredge meeting
the requirements in Subpart C of Part
44 of this chapter may have a reduced
freeboard from that assigned under
Table 42.20–15(b)(1) in accordance with
paragraph (d) or paragraph (e) of this
section if—
(1) The measures provided for the
protection of the crew are adequate;
(2) The freeing arrangements are adequate; and
(3) The hatchway covers in positions
1 and 2 comply with the provisions of
§ 42.15–30 and have adequate strength,
special care being given to their sealing and securing arrangements.
(d) The freeboards for a Type ‘‘B’’
vessel which comply with paragraph (c)
of this section may be reduced up to 60
percent of the total difference between
the freeboards in Table 42.20–15(b)(1)
and Table 42.20–15(a)(1) provided that
the vessel meets the flooding standard
in § 42.20–7.
[CGD 79–153, 48 FR 38648, Aug. 25, 1983]
§ 42.20–7 Flooding standard: Type ‘‘B’’
vessel, 60 percent reduction.
(a) Design calculations must be submitted that demonstrate that the vessel will remain afloat in the conditions
of equilibrium specified in § 42.20–12 assuming the damage specified in § 42.20–
11 as applied to the following flooding
standards:
(1) If the vessel is 225 meters (738 feet)
or less in length, it must be able to
withstand the flooding of any one compartment, except the machinery space.
(2) If the vessel is over 225 meters (738
feet) in length, it must be able to withstand the flooding of any one compartment, treating the machinery space as
a floodable compartment.
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§ 42.20–8
46 CFR Ch. I (10–1–00 Edition)
(b) When doing the calculations required in paragraph (a) of this section,
the following permeabilities must be
assumed:
(1) 0.95 in all locations except the machinery space.
(2) 0.85 in the machinery space.
the case of liquid cargoes, fully loaded
means 98 percent full.
(3) If the vessel is intended to operate
at its summer load waterline with
empty compartments, these empty
compartments are assumed to be
empty rather than fully loaded if the
resulting height of the vertical center
of gravity is not less than the height
determined in accordance with paragraph (b)(2) of this section.
(4) Fifty percent of the total capacity
of all tanks and spaces fitted to contain consumable liquids or stores must
be assumed to be distributed to accomplish the following:
(i) Each tank and space fitted to contain consumable liquids or stores must
be assumed either completely empty or
completely filled.
(ii) The consumables must be distributed so as to produce the greatest possible height above the keel for the center of gravity.
(5) Weights are calculated using the
following values for specific gravities:
[CGD 79–153, 48 FR 38648, Aug. 25, 1983]
§ 42.20–8 Flooding standard: Type ‘‘B’’
vessel, 100 percent reduction.
(a) Design calculations must be submitted that demonstrate that the vessel will remain afloat in the conditions
of equilibrium specified in § 42.20–12 assuming the damage specified in § 42.20–
11 as applied to the following flooding
standards:
(1) If the vessel is 225 meters (738 feet)
or less in length, it must be able to
withstand the flooding of any two adjacent fore and after compartments excluding the machinery space;
(2) If the vessel is over 225 meters (738
feet) in length, the flooding standard of
paragraph (a)(1) of this section must be
applied, treating the machinery space,
taken alone, as a floodable compartment.
(b) When doing the calculations required in paragraph (a) of this section,
the following permeabilities must be
assumed:
(1) 0.95 in all locations except the machinery space.
(2) 0.85 in the machinery space.
Salt water—1.025
Fresh water—1.000
Oil fuel—0.950
Diesel oil—0.900
Lube oil—0.900
[CGD 79–153, 48 FR 38648, Aug. 25, 1983]
§ 42.20–10
[CGD 79–153, 48 FR 38648, Aug. 25, 1983]
§ 42.20–9
Free surface.
When doing the calculations required
in §§ 42.20–6(a), 42.20–7(a) and 42.20–8(a),
the effect of free surface of the following liquids must be included:
(a) For each type of consumable liquid, the maximum free surface of at
least one transverse pair of tanks or a
single centerline tank must be included. The tank or combination of
tanks must be that resulting in the
greatest free surface effect.
(b) For cargo liquids, unless the compartment is assumed to be empty as required by § 42.20–9(b)(3), the free surface
of those compartments containing liquids is calculated at an angle of heel of
not more than 5 degrees.
Initial conditions of loading.
When doing the calculations required
in §§ 42.20–6(a), 42.20–7(a) and 42.20–8(a),
the initial condition of loading before
flooding must be assumed to be as specified in this section:
(a) The vessel is assumed to be loaded
to its summer load waterline with no
trim.
(b) When calculating the vertical
center of gravity, the following assumptions apply:
(1) The cargo is assumed to be homogeneous.
(2) Except as specified in paragraph
(b)(3) of this section, all cargo compartments are assumed to be fully
loaded. This includes compartments intended to be only partially filled. In
[CGD 79–153, 48 FR 38649, Aug. 25, 1983]
§ 42.20–11
Extent of damage.
When doing the calculations required
by §§ 42.20–6(a), 42.20–7(a) and 42.20–8(a),
the following must be assumed:
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§ 42.20–12
(a) The vertical extent of damage in
all cases must be assumed to be from
the baseline upward without limit.
(b) The transverse extent of damage
is assumed to be equal to B/5 or 11.5
meters (37.7 feet), whichever is less.
The transverse extent is measured inboard from the side of the ship perpendicularly to the center line at the
level of the summer load waterline.
(c) If damage of a lesser extent than
that specified in paragraph (a) or (b) of
this section results in a more severe
condition, the lesser extent must be assumed.
(d) The following assumptions apply
to the transverse damage specified in
paragraph (b) of this section for a
stepped or recessed bulkhead:
(1) A transverse watertight bulkhead
that has a step or recess located within
the transverse extent of assumed damage may be considered intact if the
step or recess is not more than 3.05 meters (10 feet) in length.
(2) If a transverse watertight bulkhead has a step or recess of more than
3.05 meters (10 feet) in length, within
the transverse extent of assumed damage, the two compartments adjacent to
this bulkhead must be considered as
flooded.
(3) If within the transverse extent of
damage, a transverse bulkhead has a
step or recess more than 3.05 meters (10
feet) in length that coincides with the
double bottom tank top or the inner
boundary of a wing tank, respectively,
all adjacent compartments within the
transverse extent of assumed damage
must be considered to be flooded simultaneously.
(e) If a wing tank has openings into
adjacent compartments, the wing tank
and adjacent compartments must be
considered as one compartment. This
provision applies even where these
openings are fitted with closing appliances except:
(1) Valves fitted in bulkheads between tanks which are controlled from
above the bulkhead deck.
(2) Secured manhole covers fitted
with closely spaced bolts.
(f) Only transverse watertight bulkheads that are spaced apart at least
1⁄3(L)2⁄3 or 14.5 meters (0.495(L)2⁄3 or 47.6
feet), whichever is less, may be considered effective. If transverse bulkheads
are closer together, then one or more
of these bulkheads must be assumed to
be non-existent in order to achieve the
minimum spacing between bulkheads.
[CGD 79–153, 48 FR 38649, Aug. 25, 1983]
§ 42.20–12
Conditions of equilibrium.
The following conditions of equilibrium are regarded as satisfactory:
(a) Downflooding. The final waterline
after flooding, taking into account
sinkage, heel, and trim, is below the
lower edge of any opening through
which progressive flooding can take
place. Such openings include air pipes,
ventilators, and openings which are
closed by means of weathertight doors
(even if they comply with § 42.15–10) or
covers (even if they comply with
§ 42.15–30 or § 42.15–45(d)) but may exclude those openings closed by means
of:
(1) Manhole covers and flush scuttles
which comply with § 42.15–40;
(2) Cargo hatch covers which comply
with § 42.09–5(b);
(3) Hinged watertight doors in an approved position which are secured
closed while at sea and so logged; and
(4) Remotely operated sliding watertight doors, and side scuttles of the
non-opening type which comply with
§ 42.15–65.
(b) Progressive flooding. If pipes,
ducts, or tunnels are situated within
the assumed extent of damage penetration as defined in § 42.20–11 (a) and (b),
progressive flooding cannot extend to
compartments other than those assumed to be floodable in the calculation for each case of damage.
(c) Final angle of heel. The angle of
heel due to unsymmetrical flooding
does not exceed 15 degrees. If no part of
the deck is immersed, an angle of heel
of up to 17 degrees may be accepted.
(d)
Metacentric
height.
The
metacentric height of the damaged vessel, in the upright condition, is positive.
(e) Residual stability. Through an
angle of 20 degrees beyond its position
of equilibrium, the vessel must meet
the following conditions:
(1) The righting arm must be positive.
(2) The maximum righting arm must
be at least 0.1 meter (4 inches).
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§ 42.20–13
46 CFR Ch. I (10–1–00 Edition)
TABLE 42.20–15(A)(1)—FREEBOARD TABLE FOR
TYPE ‘‘A’’ VESSELS—Continued
(3) The area under the righting arm
curve within the 20 degree range must
not be less than 0.0175 meter-radians
(0.689 inch-radians).
(4) Each submerged opening must be
weathertight (e.g. a vent fitted with a
ball check valve).
(f) Intermediate stages of flooding. The
Commandant is satisfied that the stability is sufficient during intermediate
stages of flooding.
Length of vessel (feet)
230
240
250
260
270
280
290
300
310
320
330
340
350
360
370
380
390
400
410
420
430
440
450
460
470
480
490
500
510
520
530
540
550
560
570
580
590
600
610
620
630
640
650
660
670
680
690
700
710
720
730
740
750
760
770
780
790
800
810
820
830
840
850
860
870
880
890
900
910
920
[CGD 79–153, 48 FR 38649, Aug. 25, 1983]
§ 42.20–13 Vessels without means of
propulsion.
(a) A lighter, barge, or other vessel
without independent means of propulsion is assigned a freeboard in accordance with the provisions of this subpart as modified by paragraphs (b), (c),
and (d) of this section.
(b) A barge that meets the requirements of § 42.09–5(b) may be assigned
Type ‘‘A’’ freeboard if the barge does
not carry deck cargo.
(c) An unmanned barge is not required to comply with § 42.15–75, § 42.15–
80(b), or § 42.20–70.
(d) An unmanned barge that has only
small access openings closed by watertight gasketed covers of steel or equivalent material on the freeboard deck,
may be assigned a freeboard 25 percent
less than that calculated in accordance
with this subpart.
[CGD 79–153, 48 FR 38649, Aug. 25, 1983]
§ 42.20–15 Freeboard tables.
(a) Type ‘‘A’’ vessel. (1) The tabular
freeboard for Type ‘‘A’’ vessel shall be
determined from Table 42.20–15(a)(1):
TABLE 42.20–15(A)(1)—FREEBOARD TABLE FOR
TYPE ‘‘A’’ VESSELS
Freeboard 1
(inches)
Length of vessel (feet)
80 ........................................................................
90 ........................................................................
100 ......................................................................
110 ......................................................................
120 ......................................................................
130 ......................................................................
140 ......................................................................
150 ......................................................................
160 ......................................................................
170 ......................................................................
180 ......................................................................
190 ......................................................................
200 ......................................................................
210 ......................................................................
220 ......................................................................
8.0
8.9
9.8
10.8
11.9
13.0
14.2
15.5
16.9
18.3
19.8
21.3
22.9
24.5
26.2
Freeboard 1
(inches)
......................................................................
......................................................................
......................................................................
......................................................................
......................................................................
......................................................................
......................................................................
......................................................................
......................................................................
......................................................................
......................................................................
......................................................................
......................................................................
......................................................................
......................................................................
......................................................................
......................................................................
......................................................................
......................................................................
......................................................................
......................................................................
......................................................................
......................................................................
......................................................................
......................................................................
......................................................................
......................................................................
......................................................................
......................................................................
......................................................................
......................................................................
......................................................................
......................................................................
......................................................................
......................................................................
......................................................................
......................................................................
......................................................................
......................................................................
......................................................................
......................................................................
......................................................................
......................................................................
......................................................................
......................................................................
......................................................................
......................................................................
......................................................................
......................................................................
......................................................................
......................................................................
......................................................................
......................................................................
......................................................................
......................................................................
......................................................................
......................................................................
......................................................................
......................................................................
......................................................................
......................................................................
......................................................................
......................................................................
......................................................................
......................................................................
......................................................................
......................................................................
......................................................................
......................................................................
......................................................................
27.8
29.5
31.1
32.8
34.6
36.3
38.0
39.7
41.4
43.2
45.0
46.9
48.8
50.7
52.7
54.7
56.8
58.8
60.9
62.9
65.0
67.0
69.1
71.1
73.1
75.1
77.1
79.0
80.9
82.7
84.5
86.3
88.0
89.6
91.1
92.6
94.1
95.5
96.9
98.3
99.6
100.9
102.1
103.3
104.4
105.5
106.6
107.7
108.7
109.7
110.7
111.7
112.6
113.5
114.4
115.3
116.1
117.0
117.8
118.6
119.3
120.1
120.7
121.4
122.1
122.7
123.4
124.0
124.6
125.2
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§ 42.20–15
TABLE 42.20–15(A)(1)—FREEBOARD TABLE FOR
TYPE ‘‘A’’ VESSELS—Continued
TABLE 42.20–15(B)(1)—FREEBOARD TABLE FOR
TYPE ‘‘B’’ VESSELS—Continued
Freeboard 1
(inches)
Length of vessel (feet)
930 ......................................................................
940 ......................................................................
950 ......................................................................
960 ......................................................................
970 ......................................................................
980 ......................................................................
990 ......................................................................
1,000 ...................................................................
1,010 ...................................................................
1,020 ...................................................................
1,030 ...................................................................
1,040 ...................................................................
1,050 ...................................................................
1,060 ...................................................................
1,070 ...................................................................
1,080 ...................................................................
1,090 ...................................................................
1,100 ...................................................................
1,110 ...................................................................
1,120 ...................................................................
1,130 ...................................................................
1,140 ...................................................................
1,150 ...................................................................
1,160 ...................................................................
1,170 ...................................................................
1,180 ...................................................................
1,190 ...................................................................
1,200 ...................................................................
1,200 2 .................................................................
Length of vessel (feet)
125.7
126.2
126.7
127.2
127.7
128.1
128.6
129.0
129.4
129.9
130.3
130.7
131.0
131.4
131.7
132.0
132.3
132.6
132.9
133.2
133.5
133.8
134.0
134.3
134.5
134.7
135.0
135.2
330 ......................................................................
340 ......................................................................
350 ......................................................................
360 ......................................................................
370 ......................................................................
380 ......................................................................
390 ......................................................................
400 ......................................................................
410 ......................................................................
420 ......................................................................
430 ......................................................................
440 ......................................................................
450 ......................................................................
460 ......................................................................
470 ......................................................................
480 ......................................................................
490 ......................................................................
500 ......................................................................
510 ......................................................................
520 ......................................................................
530 ......................................................................
540 ......................................................................
550 ......................................................................
560 ......................................................................
570 ......................................................................
580 ......................................................................
590 ......................................................................
600 ......................................................................
610 ......................................................................
620 ......................................................................
630 ......................................................................
640 ......................................................................
650 ......................................................................
660 ......................................................................
670 ......................................................................
680 ......................................................................
690 ......................................................................
700 ......................................................................
710 ......................................................................
720 ......................................................................
730 ......................................................................
740 ......................................................................
750 ......................................................................
760 ......................................................................
770 ......................................................................
780 ......................................................................
790 ......................................................................
800 ......................................................................
810 ......................................................................
820 ......................................................................
830 ......................................................................
840 ......................................................................
850 ......................................................................
860 ......................................................................
870 ......................................................................
880 ......................................................................
890 ......................................................................
900 ......................................................................
910 ......................................................................
920 ......................................................................
930 ......................................................................
940 ......................................................................
950 ......................................................................
960 ......................................................................
970 ......................................................................
980 ......................................................................
990 ......................................................................
1,000 ...................................................................
1,010 ...................................................................
1,020 ...................................................................
1 Freeboards at intermediate lengths of vessels shall be obtained by linear interpolation.
2 Vessels above 1,200 feet in length shall be dealt with by
the Commandant.
(b) Type ‘‘B’’ vessels. (1) The tabular
freeboard for Type ‘‘B’’ vessels shall be
determined from Table 42.20–15(b)(1):
TABLE 42.20–15(B)(1)—FREEBOARD TABLE FOR
TYPE ‘‘B’’ VESSELS
Freeboard 1
(inches)
Length of vessel (feet)
80 ........................................................................
90 ........................................................................
100 ......................................................................
110 ......................................................................
120 ......................................................................
130 ......................................................................
140 ......................................................................
150 ......................................................................
160 ......................................................................
170 ......................................................................
180 ......................................................................
190 ......................................................................
200 ......................................................................
210 ......................................................................
220 ......................................................................
230 ......................................................................
240 ......................................................................
250 ......................................................................
260 ......................................................................
270 ......................................................................
280 ......................................................................
290 ......................................................................
300 ......................................................................
310 ......................................................................
320 ......................................................................
Freeboard 1
(inches)
8.0
8.9
9.8
10.8
11.9
13.0
14.2
15.5
16.9
18.3
19.8
21.3
22.9
24.7
26.6
28.5
30.4
32.4
34.4
36.5
38.7
41.0
43.3
45.7
48.2
50.7
53.2
55.7
58.2
60.7
63.2
65.7
68.2
70.7
73.2
75.7
78.2
80.7
83.1
85.6
88.1
90.6
93.1
95.6
98.1
100.6
103.0
105.4
107.7
110.0
112.3
114.6
116.8
119.0
121.1
123.2
125.3
127.3
129.3
131.3
133.3
135.3
137.1
139.0
140.9
142.7
144.5
146.3
148.1
149.8
151.5
153.2
154.8
156.4
158.0
159.6
161.2
162.8
164.3
165.9
167.4
168.9
170.4
171.8
173.3
174.7
176.1
177.5
178.9
180.3
181.7
183.1
184.4
185.8
187.2
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§ 42.20–20
46 CFR Ch. I (10–1–00 Edition)
TABLE 42.20–15(B)(1)—FREEBOARD TABLE FOR
TYPE ‘‘B’’ VESSELS—Continued
lengths less than 393.6 feet and 3 at
393.6 feet length and above.
(b) Where D is less than L/15 no reduction shall be made except in a vessel with an enclosed superstructure
covering at least 0.6L amidships, with a
complete trunk, or combination of detached enclosed superstructures and
trunks which extend all fore and aft,
where the freeboard shall be reduced at
the rate prescribed in paragraph (a) of
this section.
(c) Where the height of superstructure or trunk is less than the
standard height, the reduction shall be
in the ratio of the actual to the standard height as defined in § 42.20–40.
Freeboard 1
(inches)
Length of vessel (feet)
1,030 ...................................................................
1,040 ...................................................................
1,050 ...................................................................
1,060 ...................................................................
1,070 ...................................................................
1,080 ...................................................................
1,090 ...................................................................
1,100 ...................................................................
1,110 ...................................................................
1,120 ...................................................................
1,130 ...................................................................
1,140 ...................................................................
1,150 ...................................................................
1,160 ...................................................................
1,170 ...................................................................
1,180 ...................................................................
1,190 ...................................................................
1,200 ...................................................................
1,200 2 .................................................................
188.5
189.8
191.0
192.3
193.5
194.8
196.1
197.3
198.6
199.9
201.2
202.3
203.5
204.6
205.8
206.9
208.1
209.3
[CGFR 68–60, 33 FR 10064, July 12, 1968]
§ 42.20–35 Correction for position of
deck line.
1 Freeboards
at intermediate lengths of vessel shall be obtained by linear interpolation.
2 Vessels above 1,200 feet in length shall be dealt with by
the Commandant.
(a) Where the actual depth to the
upper edge of the deck line is greater
or less than D, the difference between
the depths shall be added to or deducted from the freeboard.
[CGFR 68–60, 33 FR 10064, July 12, 1968, as
amended by CGFR 68–126, 34 FR 9015, June 5,
1969]
[CGFR 68–60, 33 FR 10065, July 12, 1968]
§ 42.20–20 Correction to the freeboard
for vessels under 328 feet in length.
§ 42.20–40 Standard height of superstructure.
(a) The tabular freeboard for a Type
‘‘B’’ vessel of between 79 feet and 328
feet in length having enclosed superstructures with an effective length of
up to 35 percent of the length of the
vessel shall be increased by:
(a) The standard height of a superstructure shall be as given in Table
42.20–40(a):
TABLE 42.20–40(A) STANDARD HEIGHTS (IN
FEET) 1
0.09 (328¥L) [0.35¥(E/L)] inches
where:
L=length of vessel in feet.
E=effective length of superstructure in feet
as defined in § 42.20–50.
Length (L) (in feet)
98.5 or less ............................................
246 .........................................................
410 or more ...........................................
[CGFR 68–60, 33 FR 10064, July 12, 1968]
3.0
3.9
5.9
All other
super
structures
5.9
5.9
7.5
1 The standard heights at intermediate lengths of the vessel
shall be obtained by linear interpolation.
§ 42.20–25 Correction for block coefficient.
[CGFR 68–60, 33 FR 10065, July 12, 1968, as
amended by CGFR 68–126, 34 FR 9015, June 5,
1969]
If the block coefficient (Cb) exceeds
0.68, the tabular freeboard specified in
§ 42.20–15 as modified, if applicable, by
§§ 42.20–5 (b) and (d), and 42.20–20(a)
must be multiplied by the factor
(Cb+0.68)/1.36.
§ 42.20–45 Length of superstructure.
(a) Except as provided in paragraph
(b) of this section, the length of a superstructure (S) shall be the mean
length of the parts of the superstructure which lie within the length
(L).
(b) Where the end bulkhead of an enclosed superstructure extends in a fair
[CGD 79–153, 48 FR 38650, Aug. 25, 1983]
§ 42.20–30
Raised
quarter
deck
Correction for depth.
(a) Where D exceeds L1⁄15 the
freeboard shall be increased by [D¥(L/
15)] R inches, where R is L/131.2 at
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§ 42.20–55
convex curve beyond its intersection
with the superstructure sides, the
length of the superstructure may be increased on the basis of an equivalent
plane bulkhead. This increase shall be
two-thirds of the fore and aft extent of
curvature. The maximum curvature
which may be taken into account in determining this increase is one-half the
breadth of the superstructure at the
point of intersection of the curved end
of the superstructure with its side.
§ 42.20–55
Trunks.
(a) A trunk or similar structure
which does not extend to the sides of
the vessel shall be regarded as efficient
on the following conditions:
(1) The trunk is at least as strong as
a superstructure;
(2) The hatchways are in the trunk
deck, and the hatchway coamings and
covers comply with the requirements
of §§ 42.15–15 to 42.15–30, inclusive, and
the width of the trunk deck stringer
provides a satisfactory gangway and
sufficient lateral stiffness; however,
small access openings with watertight
covers may be permitted in the
freeboard deck;
(3) A permanent working platform
fore and aft fitted with guard rails is
provided by the trunk deck, or by detached trunks connected to superstructures by efficient permanent
gangways;
(4) Ventilators are protected by the
trunk by watertight covers or by other
equivalent means;
(5) Open rails are fitted on the weather parts of the freeboard deck in way of
the trunk for at least half their length;
(6) The machinery casings are protected by the trunk, by a superstructure of at least standard height,
or by a deckhouse of the same height
and of equivalent strength;
(7) The breadth of the trunk is at
least 60 percent of the breadth of the
vessel; and,
(8) Where there is no superstructure,
the length of the trunk is at least 0.6L.
(b) The full length of an efficient
trunk reduced in the ratio of its mean
breadth to B shall be its effective
length.
(c) The standard height of a trunk is
the standard height of a superstructure
other than a raised quarter deck.
(d) Where the height of a trunk is
less than the standard height, its effective length shall be reduced in the
ratio of the actual to the standard
height. Where the height of hatchway
coamings on the trunk deck is less
than that required under § 42.15–25(a), a
reduction from the actual height of
trunk shall be made which corresponds
[CGFR 68–60, 33 FR 10065, July 12, 1968, as
amended by CGFR 68–126, 34 FR 9015, June 5,
1969]
§ 42.20–50 Effective length of superstructure.
(a) Except as provided for in paragraph (b) of this section the effective
length (E) of an enclosed superstructure of standard height shall be
its length.
(b) In all cases where an enclosed superstructure of standard height is set
in from the sides of the vessel as permitted in § 42.13–15(j), the effective
length shall be the length modified by
the ratio of b/Bs,
where:
‘‘b’’ is the breadth of the superstructure at
the middle of its length;
‘‘Bs’’ is the breadth of the vessel at the
middle of the length of the superstructure.
(1) Where a superstructure is set in
for a part of its length, this modification shall be applied only to the set in
part.
(c) Where the height of an enclosed
superstructure is less than the standard height, the effective length shall be
its length reduced in the ratio of the
actual height to the standard height.
Where the height exceeds the standard,
no increase shall be made to the effective length of the superstructure.
(d) The effective length of a raised
quarter deck if fitted with an intact
front bulkhead, shall be its length up
to a maximum of 0.6L. Where the bulkhead is not intact, the raised quarter
deck shall be treated as a poop of less
than standard height.
(e) Superstructures which are not enclosed shall have no effective length.
[CGFR 68–60, 33 FR 10065, July 12, 1968]
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§ 42.20–60
46 CFR Ch. I (10–1–00 Edition)
to the difference between the actual
and required height of coaming.
14 inches at 79 feet length of vessel, 34
inches at 279 feet length, and 42 inches
at 400 feet length and above; deductions
at intermediate lengths shall be obtained by linear interpolation.
(b) Where the total effective length
of superstructures and trunks is less
than 1.0L the deduction shall be a percentage obtained from Table 42.20–
60(b)(1) or Table 42.20–60(b)(2):
[CGFR 68–60, 33 FR 10065, July 12, 1968, as
amended by CGFR 68–126, 34 FR 9015, June 5,
1969]
§ 42.20–60 Deduction for superstructures and trunks.
(a) Where the effective length of superstructures and trunks is 1.0L, the
deduction from the freeboard shall be
TABLE 42.20–60(B)(1)—PERCENTAGE OF DEDUCTION FOR TYPE ‘‘A’’ VESSELS
Total effective length of superstructures and trunks
0
Percentage of deduction for all types of superstructures 1 ....................................................
1 Percentages
0
0.1L
0.2L
0.3L
0.4L
0.5L
0.6L
0.7L
0.8L
0.9L
1.0L
7
14
21
31
41
52
63
75.3
87.7
100
0.9L
1.0L
at intermediate lengths of superstructures and trunks shall be obtained by linear interpolation.
TABLE 42.20–60(B)(2)—PERCENTAGE OF DEDUCTION FOR TYPE ‘‘B’’ VESSELS
[Percentage of deduction 1]
Total effective length of superstructures and trunks
Line
Vessels with forecastle and without detached bridge ....................................
Vessels with forecasle and detached
bridge ................................................
1 Percentages
0.1L
0
0.2L
0.4L
0.5L
0.6L
0.7L
0.8L
I
0
5
10
15
23.5
32
46
63
75.3
87.7
100
II
0
6.3
12.7
19
27.5
36
46
63
75.3
87.7
100
at intermediate lengths of superstructures and trunks shall be obtained by linear interpolation.
(2) In vessels designed with a rake of
keel, the sheer shall be measured in relation to a reference line drawn parallel to the design load waterline.
(3) In flush deck vessels and in vessels with detached superstructures the
sheer shall be measured at the
freeboard deck.
(4) In vessels with topsides of unusual
form in which there is a step or break
in the topsides, the sheer shall be considered in relation to the equivalent
depth amidships.
(5) In vessels with a superstructure of
standard height which extends over the
whole length of the freeboard deck, the
sheer shall be measured at the superstructure deck. Where the height exceeds the standard the least difference
(Z) between the actual and standard
heights shall be added to each end ordinate. Similarly, the intermediate
ordinates at distances of 1⁄6L and 1⁄3L
from each perpendicular shall be increased by 0.444Z and 0.111Z respectively.
(c) For vessels of Type ‘‘B’’:
(1) Where the effective length of a
bridge is less than 0.2L, the percentages
shall be obtained by linear interpolation between lines I and II;
(2) Where the effective length of a
forecastle is more than 0.4L, the percentages shall be obtained from line II;
and,
(3) Where the effective length of a
forecastle is less than 0.07L, the percentages in Table 42.20–60(b)(2) of this
paragraph shall be reduced by:
5(0.07L¥f)/0.07L
L is the length of vessel as defined in § 42.13–
15(a),
f is the effective length of the forecastle.
[CGFR 68–60, 33 FR 10065, July 12, 1968, as
amended by CGFR 68–126, 34 FR 9015, June 5,
1969]
§ 42.20–65
0.3L
Sheer.
(a) General. (1) The sheer shall be
measured from the deck at side to a
line of reference drawn parallel to the
keel through the sheer line amidships.
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§ 42.20–65
(6) Where the deck of an enclosed superstructure has at least the same
sheer as the exposed freeboard deck,
the sheer of the enclosed portion of the
freeboard deck shall not be taken into
account.
(7) Where an enclosed poop or forecastle is of standard height with greater sheer than that of the freeboard
deck, or is of more than standard
height, an addition to the sheer of the
freeboard deck shall be made as provided in paragraph (c)(4) of this section.
(b) Standard sheer profile. (1) The
ordinates of the standard sheer profile
are given in Table 42.20–65(b)(1):
in excess; where the after part is less
than 50 percent of the standard, no
credit shall be given for the excess
sheer forward. Where the after sheer is
between 50 percent and 75 percent of
the standard, intermediate allowances
may be granted for excess sheer forward.
(4) Where sheer credit is given for a
poop or forecastle, the following formula shall be used:
s=(y/3)(L′/L)
where:
s=sheer credit, to be deducted from the deficiency or added to the excess of sheer.
y=difference between actual and standard
height of superstructure at the end ordinate.
L′=mean enclosed length of poop or forecastle up to a maximum length of 0.5L.
L=length of vessel as defined in § 42.13–
15(a).
TABLE 42.20–65(B)(1)—STANDARD SHEER
PROFILE
[Where L is in feet]
Station
After half
Forward
half.
Ordinate
(in
inches)
Ordinate
(in
inches)
Factor
After Perpendicular.
1⁄6 L from A.P .....
1⁄3 L from A.P .....
Amidships ...........
0.1 .........
L+10 ......
1
0.0444 ...
0.0111 ...
................
L+4.44 ...
L+1.11 ...
0 ............
3
3
1
Amidships ...........
................
0 ............
1
⁄ L from F.P .....
⁄ L from F.P .....
Forward Perpendicular.
0.0222 ...
0.0888 ...
0.2 .........
L+2.22 ...
L+8.88 ...
L+20 ......
3
3
1
13
16
(i) The formula in this paragraph
(c)(4) of this section provides a curve in
the form of a parabola tangent to the
actual sheer curve at the freeboard
deck and intersecting the end ordinate
at a point below the superstructure
deck a distance equal to the standard
height of a superstructure. The superstructure deck shall not be less than
standard height above this curve at
any point. This curve shall be used in
determining the sheer profile for forward and after halves of the vessel.
(d) Correction for variations from standard sheer profile. (1) The correction for
sheer shall be the deficiency or excess
of sheer (see paragraphs (c) (1) to (4) inclusive of this section) multiplied by:
(c) Measurement of variation from
standard sheer profile. (1) Where the
sheer profile differs from the standard,
the four ordinates of each profile in the
forward or after half shall be multiplied by the appropriate factors given
in the table of ordinates. The difference between the sums of the respective products and those of the standard
divided by 8 measures the deficiency or
excess of sheer in the forward or after
half. The arithmetical mean of the excess or deficiency in the forward and
after halves measures the excess or deficiency of sheer.
(2) Where the after half of the sheer
has an excess and the forward half of
the sheer has a deficiency, no credit
shall be allowed for the part in excess
and deficiency only shall be measured.
(3) Where the forward half of the
sheer profile exceeds the standard, and
the after portion of the sheer profile is
not less than 75 percent of the standard, credit shall be allowed for the part
0.75¥(S/2L)
where:
S is the total length of enclosed superstructures.
(e) Addition for deficiency in sheer. (1)
Where the sheer is less than the standard, the correction for deficiency in
sheer (see paragraph (d)(1) of this section) shall be added to the freeboard.
(f) Deduction for excess sheer. (1) In
vessels where an enclosed superstructure covers 0.1L before and 0.1L
abaft amidships, the correction for excess of sheer as calculated under the
provisions of paragraph (d)(1) of this
section shall be deducted from the
freeboard; in vessels where no enclosed
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§ 42.20–70
46 CFR Ch. I (10–1–00 Edition)
superstructure covers amidships, no deduction shall be made from the
freeboard; where an enclosed superstructure covers less than 0.1L before
and 0.1L abaft amidships, the deduction
shall be obtained by linear interpolation. The maximum deduction for excess sheer shall be at the rate of 11⁄2
inches per 100 feet of length.
(b) of this section may be given special
consideration by the assigning authority.
[CGFR 68–60, 33 FR 10066, July 12, 1968, as
amended by CGFR 68–126, 34 FR 9016, June 5,
1969]
§ 42.20–75
[CGFR 68–60, 33 FR 10066, July 12, 1968, as
amended by CGFR 68–126, 34 FR 9016, June 5,
1969]
§ 42.20–70
Minimum freeboards.
(a) Summer freeboard. (1) The minimum freeboard in summer must be the
freeboard derived from the tables in
§ 42.20–15 as modified by the corrections
in §§ 42.20–3 and 42.20–5, as applicable,
and §§ 42.20–20, 42.20–25, 42.20–30, 42.20–35,
42.20–60, 42.20–65 and, if applicable,
§ 42.20–70.
(2) The freeboard in salt water, as
calculated in accordance with paragraph (a)(1) of this section, but without
the correction for deck line, as provided by § 42.20–35, shall not be less
than 2 inches. For vessels having in position 1 hatchways with covers which
do not comply with the requirements
of §§ 42.15–25(d)(1), 42.15–30, or 42.15–80,
the freeboard shall be not less than 6
inches.
(b) Tropical freeboard. (1) The minimum tropical freeboard shall be the
freeboard obtained by a deduction from
the summer freeboard of one fortyeighth of the summer draft measured
from the top of the keel to the center
of the ring of the load line mark.
(2) The freeboard in salt water, as
calculated in accordance with paragraph (b)(1) of this section, but without
the correction for deck line, as provided by § 42.20–35, shall not be less
than 2 inches. For vessels having in position 1 hatchways with covers which
do not comply with the requirements
of § 42.15–25(d)(1), § 42.15–30, or § 42.15–80,
the freeboard shall be not less than 6
inches.
(c) Winter freeboard. (1) The minimum
winter freeboard shall be the freeboard
obtained by an addition to the summer
freeboard of one forty-eighth of summer draft, measured from the top of
the keel to the center of the ring of the
load line mark.
(d) Winter North Atlantic freeboard. (1)
The minimum freeboard for vessels of
not more than 328 feet in length which
enter any part of the North Atlantic
defined in § 42.30–35 during the winter
seasonal period shall be the winter
Minimum bow height.
(a) The bow height defined as the
vertical distance at the forward perpendicular between the waterline corresponding to the assigned summer
freeboard and the designed trim and
the top of the exposed deck at side
shall be not less than:
(1) For vessels below 820 feet in
length,
0.672L[1¥(L/1640)][1.36/(Cb+0.68)] inches;
where:
L is the length of the vessel in feet.
Cb is the block coefficient which is to be
taken as not less than 0.68.
(2) For vessels of 820 feet and above in
length,
275.6[1.36/(Cb+0.68)] inches;
where:
Cb is the block coefficient which is to be
taken as not less than 0.68.
(b) Where the bow height required in
paragraph (a) of this section is obtained by sheer, the sheer shall extend
for at least 15 percent of the length of
the vessel measured from the forward
perpendicular. Where it is obtained by
fitting a superstructure, such superstructure shall extend from the stem to
a point at least 0.07L abaft the forward
perpendicular, and it shall comply with
the following requirements:
(1) For vessels not over 328 feet in
length it shall be enclosed as defined in
§ 42.13–15(j); and,
(2) For vessels over 328 feet in length
it need not comply with § 42.13–15(j) but
shall be fitted with closing appliances
to the satisfaction of the assigning authority.
(c) Vessels which, to suit exceptional
operational requirements, cannot meet
the requirements of paragraphs (a) and
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§ 42.25–15
freeboard plus 2 inches. For other vessels
the
winter
North
Atlantic
freeboard shall be the winter freeboard.
(e) Fresh water freeboard. (1) The minimum freeboard in fresh water of unit
density shall be obtained by deducting
from the minimum freeboard in salt
water:
and the vessel itself shall also comply
with certain conditions relating to its
construction which are set out in
§ 42.25–10.
[CGFR 68–60, 33 FR 10067, July 12, 1968, as
amended by CGFR 68–126, 34 FR 9016, June 5,
1969]
§ 42.25–10 Construction of vessel.
(a) Superstructure. (1) Vessels, shall
have a forecastle of at least standard
height and a length of at least 0.07L. In
addition, if the vessel is less than 328
feet in length, a poop of at least standard height, or a raised quarter deck
with either a deckhouse or a strong
steel hood of at least the same total
height shall be fitted aft.
(b) Double bottom tanks. (1) Double
bottom tanks where fitted within the
midship half length of the vessel shall
have adequate watertight longitudinal
subdivision.
(c) Bulwarks. (1) The vessel shall be
fitted either with permanent bulwarks
at least 391⁄2 inches in height, specially
stiffened on the upper edge and supported by strong bulwark stays attached to the deck and provided with
necessary freeing ports, or with efficient rails of the same height and of
specially strong construction.
(∆/40 T) inches
where:
∆=displacement in salt water in tons at the
summer load waterline; and,
T=tons per inch immersion in salt water at
the summer load waterline.
(2) Where the displacement at the
summer load waterline cannot be certified, the deduction shall be one fortyeighth of summer draft, measured from
the top of the keel to the center of the
ring of the load line mark.
[CGFR 68–60, 33 FR 10066, July 12, 1968, as
amended by CGFR 68–126, 34 FR 9016, June 5,
1969; CGD 79–153, 48 FR 38650, Aug. 25, 1983]
Subpart 42.25—Special Requirements for Vessels Assigned
Timber Freeboards
§ 42.25–1 Application of this subpart.
(a) The provisions of this subpart
42.25 apply only to vessels to which
timber load lines are assigned.
[CGFR 68–60, 33 FR 10067, July 12, 1968]
[CGFR 68–60, 33 FR 10067, July 12, 1968, as
amended by CGFR 68–126, 34 FR 9016, June 5,
1969]
§ 42.25–5 Definitions of terms used in
this subpart.
(a) Timber deck cargo. The term ‘‘timber deck cargo’’ means a cargo of timber carried on an uncovered part of a
freeboard or superstructure deck. The
term does not include wood pulp or
similar cargo.
(b) Timber load line. A timber deck
cargo may be regarded as giving a vessel a certain additional buoyancy and a
greater degree of protection against
the sea. For that reason, vessels carrying a timber deck cargo may be
granted a reduction of freeboard calculated according to the provisions of
§ 42.25–20 and marked on the vessel’s
side in accordance with the provisions
of § 42.13–30(c) and (d). However, in
order that such special freeboard may
be granted and used, the timber deck
cargo shall comply with certain conditions which are laid down in § 42.25–15,
§ 42.25–15 Stowage.
(a) General. (1) Openings in the
weather deck over which cargo is
stowed shall be securely closed and
battened down. The ventilators shall be
efficiently protected.
(2) Timber deck cargo shall extend
over at least the entire available
length which is the total length of the
well or wells between superstructures.
Where there is no limiting superstructure at the after end, the timber
shall extend at least to the after end of
the aftermost hatchway. The timber
shall be stowed as solidly as possible,
to at least the standard height of a superstructure other than a raised quarter deck.
(3) On a vessel within a seasonal winter zone in winter, the height of the
deck cargo above the weather deck
shall not exceed one-third of the extreme breadth of the vessel.
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§ 42.25–20
46 CFR Ch. I (10–1–00 Edition)
(4) The timber deck cargo shall be
compactly stowed, lashed, and secured.
It shall not interfere in any way with
the navigation and necessary work of
the vessel.
(b) Upright. (1) Uprights, when required by the nature of the timber,
shall be of adequate strength considering the breadth of the vessel; the
spacing shall be suitable for the length
and character of timber carried, but
shall not exceed 9.8 feet. Strong angles
or metal sockets or equally efficient
means shall be provided for securing
the uprights.
(c) Lashings. (1) Timber deck cargo
shall be efficiently secured throughout
its length by independent overall lashings spaced not more than 9.8 feet
apart. Eye plates for these lashings
shall be efficiently attached to the
sheer strake or to the deck stringer
plate at intervals of not more than 9.8
feet. The distance from an end bulkhead of a superstructure to the first
eye plate shall be not more than 6.6
feet. Eye plates and lashings shall be
provided 231⁄2 inches and 4.9 feet from
the ends of timber deck cargoes where
there is no bulkhead.
(2) Lashings shall be not less than 3⁄4inch close link chain or flexible wire
rope of equivalent strength, fitted with
sliphooks and turnbuckles, which shall
be accessible at all times. Wire rope
lashings shall have a short length of
long link chain to permit the length of
lashings to be regulated.
(3) When timber is in lengths less
than 11.8 feet the spacing of the lashings shall be reduced or other suitable
provisions made to suit the length of
timber.
(4) All fittings required for securing
the lashings shall be of strength corresponding to the length of the lashings.
(d) Stability. (1) Provision shall be
made for a safe margin of stability at
all stages of the voyage, regard being
given to additions of weight, such as
those due to absorption of water and
icing and to losses of weight such as
those due to consumption of fuel and
stores.
(e) Protection of crew, access to machinery spaces, etc. (1) In addition to the requirements of § 42.15–75(e) guardrails or
life lines spaced not more than 13
inches apart vertically shall be provided on each side of the deck cargo to
a height of at least 391⁄2 inches above
the cargo.
(f) Steering arrangements. (1) Steering
arrangements shall be effectively protected from damage by cargo and, as
far as practicable, shall be accessible.
Efficient provision, shall be made for
steering in the event of a breakdown in
the main steering arrangements.
[CGFR 68–60, 33 FR 10067, July 12, 1968, as
amended by CGFR 68–126, 34 FR 9016, June 5,
1969]
§ 42.25–20 Computation for freeboard.
(a) The minimum summer freeboards
must be computed in accordance with
§§ 42.20–5 (a) and (b), 42.20–13, 42.20–15,
42.20–20, 42.20–25, 42.20–30, 42.20–35, 42.20–
60, and 42.20–65, except that § 42.20–60 is
modified by substituting the percentages in Table 42.25–20(a) for those given
in § 42.20–60:
TABLE 42.25–20(A)—PERCENTAGE OF DEDUCTION FOR SUPERSTRUCTURE
[Total Effective Length of Superstructure]
0
Percentage of deduction for all types of superstructure 1 ......................................................
1 Percentages
20
0.1L
0.2L
0.3L
0.4L
0.5L
0.6L
0.7L
0.8L
0.9L
1.0L
31
42
53
64
70
76
82
88
94
100
at intermediate lengths of superstructures shall be obtained by linear interpolation.
(b) The winter timber freeboard shall
be obtained by adding to the summer
timber freeboard one thirty-sixth of
the molded summer timber draft.
(c) The winter North Atlantic timber
freeboard shall be the same as the win-
ter North Atlantic freeboard prescribed
in § 42.20–75(d)(1).
(d) The tropical timber freeboard
shall be obtained by deducting from
the summer timber freeboard one
forty-eighth of the molded summer
timber draft.
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§ 42.30–10
(e) The fresh water timber freeboard
shall be computed in accordance with
§ 42.20–75(e) (1) or (2) based on the summer timber load waterline.
parallel of latitude 36° N. to longitude
25° W.; and thence the rhumb line to
Cape Torinana. Excluded from this
zone are the North Atlantic Winter
Seasonal Zone I and the Baltic Sea
bounded by the parallel of the latitude
of The Skaw in the Skagerrak.
(i) Seasonal periods:
[CGFR 68–60, 33 FR 10067, July 12, 1968, as
amended by CGFR 68–126, 34 FR 9016, June 5,
1969; CGD 79–153, 48 FR 38650, Aug. 25, 1983]
Subpart 42.30—Zones, Areas, and
Seasonal Periods
Winter: November 1 to March 31.
Summer: April 1 to October 31.
(b) North Atlantic Winter Seasonal
Area. (1) The boundary of the North Atlantic Winter Seasonal Area is the meridian of longitude 68°30′ W. from the
coast of the United States to latitude
40° N.; thence the rhumb line to the
southernmost intersection of the meridian of longitude 61° W. with the
coast of Canada; and thence the east
coasts of Canada and the United
States.
(i) Seasonal periods:
(a) For vessels over 328 feet in length:
§ 42.30–1 Basis.
(a) The zones and areas in this subpart are, in general, based on the following criteria:
(1) Summer: not more than 10 percent
winds of force 8 Beaufort (34 knots) or
more.
(2) Tropical: not more than 1 percent
winds of force 8 Beaufort (34 knots) or
more. Not more than one tropical
storm in 10 years in an area of 5°
square in any 1 separate calendar
month.
(b) In certain special areas, for practical reasons, some degree of relaxation has been found acceptable.
(c) A chart is attached to the International Convention on Load Lines,
1966, which illustrates the zones and
areas defined in this Convention and in
this subpart.
Winter: December 16 to February 15.
Summer: February 16 to December 15.
(b) For vessels of 328 feet and under
in length:
Winter: November 1 to March 31.
Summer: April 1 to October 31.
(c) North Pacific Winter Seasonal Zone.
The southern boundary of the North
Pacific Winter Seasonal Zone is the
parallel of latitude 50° N. from the east
coast of the Union of Soviet Socialist
Republics, to the west coast of
Sakhalin; thence the west coast of
Sakhalin to the southern extremity of
Cape Kril’on: thence the rhumb line to
Wakkanai, Hokkaido, Japan; thence
the east and south coasts of Hokkaido
to longitude 145° E., thence the meridian of longitude 145° E. to latitude 35°
N., thence the parallel of latitude 35° N.
to longitude 150° W. and thence the
rhumb line to the southern extremity
of Dall Island, Alaska.
(1) Seasonal periods:
[CGFR 68–60, 33 FR 10068, July 12, 1968, as
amended by CGFR 68–126, 34 FR 9016, June 5,
1969]
§ 42.30–5 Northern Winter Seasonal
Zones and area.
(a) North Atlantic Winter Seasonal
Zones I and II. (1) The North Atlantic
Winter Seasonal Zone I lies within the
meridian of longitude 50° W. from the
coast of Greenland to latitude 45° N.;
thence the parallel of latitude 45° N. to
longitude 15° W.; thence the meridian
of longitude 15° W. to latitude 60° N.;
thence the parallel of latitude 60° N. to
the Greenwich Meridian, thence this
meridian northwards.
(i) Seasonal periods:
Winter: October 16 to April 15.
Summer: April 16 to October 15.
Winter: October 16 to April 15.
Summer: April 16 to October 15.
[CGFR 68–60, 33 FR 10068, July 12, 1968, as
amended by CGFR 68–126, 34 FR 9016, June 5,
1969]
(2) The North Atlantic Winter Seasonal Zone II lies within the meridian
of longitude 68°30′ W. from the coast of
the United States to latitude 40° N.;
thence the rhumb line to the point latitude 36° N., longitude 73° W.; thence the
§ 42.30–10 Southern Winter Seasonal
Zone.
(a) The northern boundary of the
Southern Winter Seasonal Zone is the
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§ 42.30–15
46 CFR Ch. I (10–1–00 Edition)
rhumb line from the east coast of the
American continent at Cape Tres
Puntas to the point latitude 34° S., longitude 50° W.; thence the parallel of
latitude 34° S. to longitude 17° E.;
thence the rhumb line to the point latitude 35°10′ S., longitude 20° E.; thence
the rhumb line to the point latitude 34°
S. longitude 28° E.; thence along the
rhumb line to the point latitude 35°30′
S., longitude 118° E.; thence the rhumb
line to Cape Grim on the northwest
coast of Tasmania; thence along the
north and east coasts of Tasmania to
the southernmost point of Bruny Island; thence the rhumb line to Black
Rock Point on Stewart Island; thence
the rhumb line to the point latitude 47°
S., longitude 170° E.; thence along the
rhumb line to the point latitude 33° S.,
longitude 170° W.; and thence the parallel of latitude 33° S. to the west coast
of the American continent.
(1) Valparaiso is to be considered as
being on the boundary line of the Summer and the Winter Seasonal Zones.
(2) Seasonal periods:
tude 10° N.; thence the parallel of latitude 10° N. to longitude 145° E.; thence
the meridian of longitude 145° E. to
latitude 13° N.; and thence the parallel
of latitude 13° N. to the west coast of
the American continent.
(1) Saigon is to be considered as being
on the boundary line of the Tropical
Zone and the Seasonal Tropical Area.
(b) Southern boundary of the Tropical
Zone. The southern boundary of the
Tropical Zone is the rhumb line from
the Port of Santos, Brazil, to the point
where the meridian of longitude 40° W.
intersects the Tropic of Capricorn;
thence the Tropic of Capricorn to the
west coast of Africa; from the east
coast of Africa the parallel of latitude
20° S. to the west coast of Madagascar;
thence the west and north coasts of
Madagascar to longitude 50° E.; thence
the meridian of longitude 50° E. to latitude 10° S.; thence the parallel of latitude 10° S. to longitude 98° E.; thence
the rhumb line to Port Darwin, Australia; thence the coasts of Australia
and Wessel Island eastwards to Cape
Wessel; thence the parallel of latitude
11° S. to the west side of Cape York;
from the east side of Cape York the
parallel of latitude 11° S. to longitude
150° W.; thence the rhumb line to the
point latitude 26° S., longitude 75° W.;
and thence the rhumb line to the west
coast of the American continent at
latitude 30° S.
(1) Coquimbo and Santos are to be
considered as being on the boundary
line of the Tropical and Summer Zones.
(c) Areas to be included in the Tropical
Zone. The following areas are to be
treated as included in the Tropical
Zone:
(1) The Suez Canal, the Red Sea, and
the Gulf of Aden, from Port Said to the
meridian of longitude 45° E.
(i) Aden and Berbera are to be considered as being on the boundary line of
the Tropical Zone and the Seasonal
Tropical Area.
(2) The Persian Gulf of the meridian
of longitude 59° E.
(3) The area bounded by the parallel
of latitude 22° S. from the east coast of
Australia to the Great Barrier Reef,
thence the Great Barrier Reef to latitude 11° S. The northern boundary of
Winter: April 16 to October 15.
Summer: October 16 to April 15.
[CGFR 68–60, 33 FR 10068, July 12, 1968]
§ 42.30–15
Tropical Zone.
(a) Northern boundary of the Tropical
Zone. The northern boundary of the
Tropical Zone is the parallel of latitude 13° N. from the east coast of the
American continent to longitude 60°
W.; thence the rhumb line to a point in
latitude 10° N., longitude 58° W.; thence
the parallel of latitude 10° N. to longitude 20° W.; thence the meridian of
longitude 20° W. to latitude 30° N.;
thence the parallel of latitude 30° N. to
the west coast of Africa; from the east
coast of Africa the parallel of latitude
8° N. to longitude 70° E.; thence the meridian of longitude 70° E. to latitude 13°
N.; thence the parallel of latitude 13° N.
to the west coast of India; thence
around the south coast of India to latitude 10°30′ N. on the east coast of India;
thence the rhumb line to a point in
latitude 9° N., longitude 82° E.; thence
the meridian of longitude 82° E. to latitude 8° N.; thence the parallel of latitude 8° N. to the west coast of Malaysia; thence the coast of Southeast Asia
to the east coast of Vietnam at lati-
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§ 42.30–20
the area is the southern boundary of
the Tropical Zone.
latitude 15° S. from longitude 51°30′ E.,
to longitude 120° E. and thence the meridian of longitude 120° E. to the coast
of Australia; on the west by the meridian of longitude 51°30′ E.
(i) Seasonal periods:
[CGFR 68–60, 33 FR 10068, July 12, 1968]
§ 42.30–20 Seasonal Tropical Areas.
The following are Seasonal Tropical
Areas:
(a) In the North Atlantic. It is an area
bounded on the north by the rhumb
line from Cape Catoche, Yucatan, to
Cape San Antonio, Cuba, the north
coast of Cuba to latitude 20° N., thence
the parallel of latitude 20° N. to longitude 20° W.; on the west by the coast
of the American continent; on the
south and east by the northern boundary of the Tropical Zone.
(1) Seasonal periods:
Tropical: May 1 to November 30.
Summer: December 1 to April 30.
(e) In the China Sea. An area bounded
on the west and north by the coasts of
Vietnam and China from latitude 10° N.
to Hong Kong; on the east by the
rhumb line from Hong Kong to the
Port of Sual (Luzon Island), and the
west coasts of the Islands of Luzon,
Samar, and Leyte to latitude 10° N.; on
the south by the parallel of latitude 10°
N.
(1) Hong Kong and Sual are to be considered as being on the boundary of the
Seasonal Tropical Area and Summer
Zone.
(2) Seasonal periods:
Tropical: November 1 to July 15.
Summer: July 16 to October 31.
(b) In the Arabian Sea. An area bounded on the west by the coast of Africa,
the meridian of longitude 45° E. in the
Gulf of Aden, the coast of South Arabia
and the meridian of longitude 59° E. in
the Gulf of Oman; on the north and
east by the coasts of Pakistan and
India; on the south by the northern
boundary of the Tropical Zone.
(1) Seasonal periods:
Tropical: January 21 to April 30.
Summer: May 1 to January 20.
(f) In the North Pacific. (1) An area
bounded on the north by the parallel of
latitude 25° N.; on the west by the meridian of longitude 160° E.; on the south
by the parallel of latitude 13° N.; on the
east by the meridian of longitude 130°
W.
(i) Seasonal periods:
Tropical: September 1 to May 31.
Summer: June 1 to August 31.
(c) In the Bay of Bengal. The Bay of
Bengal north of the northern boundary
of the Tropical Zone.
(1) Seasonal periods:
Tropical: April 1 to October 31.
Summer: November 1 to March 31.
(2) An area bounded on the north and
east by the west coast of the American
continent; on the west by the meridian
of longitude 123° W. from the coast of
the American continent to latitude 33°
N., longitude 123° W.; to the point latitude 13° N., longitude 105° W.; on the
south by the parallel of latitude 13° N.
(i) Seasonal periods:
Tropical: December 1 to April 30.
Summer: May 1 to November 30.
(d) In the South Indian Ocean. (1) An
area bounded on the north and west by
the southern boundary of the Tropical
Zone and the east coast of Madagascar;
on the south by the parallel of latitude
20° S.; on the east by the rhumb line
from a point in latitude 20° S., longitude 50° E., to a point in latitude 15°
S., longitude 51°30′ E., and thence by
the meridian of longitude 51°30′ E. to
latitude 10° S.
(i) Seasonal periods:
Tropical: March 1 to June 30, and November 1 to November 30.
Summer: July 1 to October 31, and December 1 to February 28/29.
(g) In the South Pacific. (1) The Gulf of
Carpentaria south of latitude 11° S.
(i) Seasonal periods:
Tropical: April 1 to November 30.
Summer: December 1 to March 31.
Tropical: April 1 to November 30.
Summer: December 1 to March 31.
(2) An area bounded on the north by
the southern boundary of the Tropical
Zone; on the east by the coast of Australia; on the south by the parallel of
(2) An area bounded on the north and
east by the southern boundary of the
Tropical Zone; on the south by the
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§ 42.30–25
46 CFR Ch. I (10–1–00 Edition)
Winter: December 1 to February 28/29.
Summer: March 1 to November 30.
Tropic of Capricorn from the east coast
of Australia to longitude 150° W.;
thence by the meridian of longitude
150° W. to latitude 20° S. and thence by
the parallel of latitude 20° S. to the
point where it intersects the southern
boundary of the Tropical Zone; on the
west by the boundaries of the area
within the Great Barrier Reef included
in the Tropical Zone, and by the east
coast of Australia.
(i) Seasonal periods:
(c) Mediterranean. This sea is included in the Summer Zones.
(1) However, for vessels of 328 feet
and under in length, the area bounded
on the north and west by the coasts of
France and Spain and the meridian of
longitude 3° E. from the coast of Spain
to latitude 40° N.; on the south by the
parallel of latitude 40° N. from longitude 3° E. to the west coast of Sardinia; on the east by the west and
north coasts of Sardinia from latitude
40° N. to longitude 9° E., thence by the
meridian of longitude 9° E. to the south
coast of Corsica, thence by the west
and north coasts of Corsica to longitude 9° E. and thence by the rhumb
line to Cape Sicie; is a Winter Seasonal
Area.
(i) Seasonal periods:
Tropical: April 1 to November 30.
Summer: December 1 to March 31.
[CGFR 68–60, 33 FR 10068, July 12, 1968, as
amended by CGFR 68–126, 34 FR 9016, June 5,
1969]
§ 42.30–25
Summer Zones.
(a) The remaining areas constitute
the Summer Zones.
(1) However, for vessels of 328 feet
and under in length, the area bounded
on the north and west by the east coast
of the United States; on the east by the
meridian of longitude 68°30′ W. from
the coast of the United States to latitude 40° N. and thence by the rhumb
line to the point latitude 36° N., longitude 73° W.; on the south by the parallel of latitude 36° N.; is a Winter Seasonal Area.
(i) Seasonal periods:
Winter: December 16 to March 15.
Summer: March 16 to December 15.
(d) Sea of Japan. This sea south of the
parallel of latitude 50° N. is included in
the Summer Zones.
(1) However, for vessels of 382 feet
and under in length, the area between
the parallel of latitude 50° N. and the
rhumb line from the east coast of
Korea at latitude 38° N. to the west
coast of Hokkaido, Japan, at latitude
43°12′ N., is a Winter Seasonal Area.
(i) Seasonal periods:
Winter: November 1 to March 31.
Summer: April 1 to October 31.
[CGFR 68–60, 33 FR 10069, July 12, 1968, as
amended by CGFR 68–126, 34 FR 9016, June 5,
1969]
Winter: December 1 to February 28/29.
Summer: March 1 to November 30.
§ 42.30–30 Enclosed seas.
(a) Baltic Sea. This sea bounded by
the parallel of latitude of The Skaw in
the Skagerrak is included in the Summer Zones.
(1) However, for vessels of 328 feet
and under in length, it is a Winter Seasonal Area.
(i) Seasonal periods:
[CGFR 68–60, 33 FR 10069, July 12, 1968, as
amended by CGFR 68–126, 34 FR 9016, June 5,
1969]
§ 42.30–35 The Winter North Atlantic
Load Line.
(a) The part of the North Atlantic referred to in § 42.20–75(d)(1) comprises:
(1) That part of the North Atlantic
Winter Seasonal Zone II which lies between the meridians of 15° W. and 50°
W.; and
(2) The whole of the North Atlantic
Winter Seasonal Zone I, the Shetland
Islands to be considered as being on the
boundary.
Winter: November 1 to March 31.
Summer: April 1 to October 31.
(b) Black Sea. This sea is included in
the Summer Zones.
(1) However, for vessels of 328 feet
and under in length, the area north of
latitude 44° N. is a Winter Seasonal
Area.
(i) Seasonal periods:
[CGFR 68–60, 33 FR 10069, July 12, 1968]
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§ 42.50–5
to provide a guide as to stability under
various conditions and as to avoid unacceptable stresses in the vessel’s
structure.
(c) In the load line certificate the assigning and issuing authority shall set
forth its full official designation; i.e.,
its legal name, address of home office,
and reference to the authorization
from the Commandant where an assigning and issuing authority other
than the American Bureau of Shipping
is designated.
Subpart 42.50—Load Line
Certificates—Model Forms
§ 42.50–1 General.
(a) The provisions of this subpart set
forth the requirements for the text of
the various load line certificates issued
to vessels complying with the applicable requirements in this part. See
§§ 42.07–35 and 42.07–40 for requirements
regarding load line assigning and
issuing authorities. See § 42.07–45 for requirements regarding load line certificates, their text and arrangement.
(b) The 1966 international load line
certificate and exemption certificate
shall be the same as set forth in this
subpart in the model Forms A1, A2, A3,
and E1, except for the following authorized variations which shall also
apply to model Forms B, C1, C2, and C3:
(1) As indicated in § 42.13–30, the
freeboards and load line marks which
are not applicable to a specific vessel
need not be entered on the certificate
issued.
(2) The provisions of Note 3 on the
front of the certificate forms (other
than Model E1) may be changed to correctly describe the situation applicable
to the vessel concerning information
and instructions furnished the master
about loading and ballasting the vessel
[CGFR 68–126, 34 FR 9017, June 5, 1969]
§ 42.50–5 International load line certificates.
(a) The various forms of certificates
certifying to the correctness of the
load line marks assigned under the regulations in this subchapter and/or certain exemptions therefrom for U.S.flag vessels engaged in foreign voyages,
or engaged in coastwise or intercoastal
voyages (provided such vessels qualify
to engage in foreign voyages without
restriction), are A1, A2, A3, and E1. The
detailed application of these forms is
as specified in § 42.07–45 (e), (f), and (h).
(b) The text and arrangement of the
printed portions of Form A1 (printed
front and back) are as follows:
INTERNATIONAL LOAD LINE CERTIFICATE (1966)
[Form A1]
(Official seal of issuing authority.)
(Certificate No. lll)
Issued under the provisions of the International Convention on Load Lines, 1966, under the
authority of the Government of the United States of America, and the Commandant, U.S.
Coast Guard:
By
(Insert full official designation of issuing authority)
and duly authorized for assigning purposes under the provisions of the Convention.
Name of ship
Freeboard assigned as: 1
Official number or distinctive letters
Port of registry
Length (L) as defined in Article
2(8) i.e., 46 CFR 42.13–15
A new ship ........................
An existing ship ................
Type of ship: 1
Type ‘‘A’’.
Type ‘‘B’’.
Type
‘‘B’’
freeboard.
Type
‘‘B’’
freeboard.
with
with
reduced
increased
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§ 42.50–5
46 CFR Ch. I (10–1–00 Edition)
Official number or distinctive letters
Name of ship
Port of registry
Length (L) as defined in Article
2(8) i.e., 46 CFR 42.13–15
FREEBOARD FROM DECK LINE
Tropical .............................
Summer .............................
ll
ll
(inches) ......................
(inches) ......................
LOAD LINE
(T) ....................
(S) ....................
Winter ............................... ll (inches) ...................... (W) ...................
Winter (North Atlantic) .... ll (inches) ...................... (WNA) ..............
Allowance for fresh water for all freeboards ................................................
ll (inches) above (S).
Upper edge of line at level of
center of ring.
ll (inches) below (S).
ll (inches) below (S).
ll (inches).
(All measurements are to upper edge of the respective horizontal lines)
The upper edge of the deck line from which these freeboards are measured is
above or below the top of the ll deck at side; i.e., freeboard 1 deck.
ll
inches
Date of initial or periodical survey..................................................
This is to certify that this ship has been surveyed and that the freeboards have been assigned and load lines shown above have been marked in accordance with the International
Convention on Load Lines, 1966.
This certificate is valid until ll ll,2 subject to annual surveys in accordance with Article 14(1)(c) of the Convention, and endorsement thereof on the reverse side of the certificate.
Issued at ll ll (Place of issue of certificate), ll, 19l (Date of issue)
(Signature of official issuing the certificate)
[Seal of
issuing authority]
The undersigned declares that he is duly authorized by the said Government to issue this
certificate.
(Signature)
NOTES
1. When a ship departs from a port situated on a river or inland waters, deeper loading shall
be permitted corresponding to the weight of fuel and all other materials required for consumption between the point of departure and the sea.
2. When a ship is in fresh water of unit density, the appropriate load line may be submerged
by the amount of the fresh water allowance shown above. Where the density is other than
unity, an allowance shall be made proportional to the difference between 1.025 and the actual
density.
3. It is the owner’s responsibility to furnish the master with information and instructions
for loading and ballasting this vessel to provide guidance as to stability of the vessel under
varying conditions of service and to avoid unacceptable stresses in the vessel’s structure.
1 The issuing authority is authorized to delete or change words whenever it is inapplicable
to a specific vessel and to arrange wording so appropriate word insertions may be made,
which accurately describe the facts.
2 At the expiration of this certificate, applicable reissuance should be obtained in accordance with the Load Line Regulations.
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§ 42.50–5
(REVERSE SIDE OF CERTIFICATE)
ANNUAL SURVEYS
This is to certify that at an annual survey required by Article 14(1)(c) of the Convention,
this ship was found to comply with the relevant provisions of the Convention.
Place .............................................................................................................
Date ....
..............................
(Signature and seal of issuing authority)
Place .............................................................................................................
Date ....
..............................
(Signature and seal of issuing authority)
Place .............................................................................................................
Date ....
..............................
(Signature and seal of issuing authority)
Place .............................................................................................................
Date ....
..............................
(Signature and seal of issuing authority)
EXTENSION OF LOAD LINE CERTIFICATE
The provisions of the Convention being fully complied with by this ship, the validity of this certificate is, in
accordance with Article 19(2) of the Convention, extended until.
Place ............................................................................................................. Date .... ..............................
(Signature and seal of issuing authority)
NOTES
4. The Winter North Atlantic Load Line applies only to vessels of 328 feet in length or less,
which enter any part of the North Atlantic Ocean during the winter months as defined by
the Load Line Regulations in 46 CFR 42.30–5 and 42.30–35. The periods during which the other
seasonal load lines apply in different parts of the world are as stated in the Load Line Regulations in 46 CFR 42.30–5 to 42.30–30, inclusive.
5. The Load Line Certificate will be canceled by the Commandant, U.S. Coast Guard, if:
(a) The annual surveys have not been carried out within 3 months either way of each anniversary of the certificate date.
(b) The certificate is not endorsed to show that the ship has been surveyed as indicated in
(a).
(c) Material alterations have been made to the hull or superstructure of the vessel, such
as would necessitate the assignment of an increased freeboard.
(d) The fittings and appliances for the protection of the openings, guardrails, freeing ports,
or the means of access to the crew’s quarters have not been maintained in as effective a condition as they were when the certificate was issued.
(e) The structural strength of the ship is lowered to such an extent that the ship is unsafe.
6. When this certificate has expired or has been canceled, it must be delivered to the
issuing authority.
(c) The text and arrangement of the
printed portion of Form A2 shall be
identical with the information on the
face and reverse sides of Form A1 certificate in paragraph (b) of this section
except for the identification of model
form, description of the ‘‘Freeboard
from deck line,’’ the ‘‘Load Line,’’ and
the illustration of load line marks,
which shall be as follows:
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§ 42.50–5
46 CFR Ch. I (10–1–00 Edition)
INTERNATIONAL LOAD LINE CERTIFICATE (1966)
[Form A2]
*
*
*
*
*
*
*
FREEBOARD FROM
DECK LINE
LOAD LINE
Tropical
Summer ..........................
ll
(inches) ....................
.........................................
Upper edge of line at
level of center of ring.
Winter
Winter—North Atlantic ..
ll
(inches) ....................
(WNA) .............................
Upper edge of line ll
(inches) below upper
edge at level of center
of ring.
ll (inches).
Allowance for fresh water for all freeboards ........................................................
(All measurements are to upper edge of the respective horizontal lines)
The upper edge of the deck line from which these freeboards are measured is
above or below the top of the ll ll deck at side; i.e., freeboard 1 deck.
*
*
*
*
*
*
ll
inches
*
1 The issuing authority is authorized to delete or change words whenever it is inapplicable
to a specific vessel and to arrange wording so appropriate word insertions may be made,
which accurately describe the facts.
(d) The text and arrangement of the
printed portion of Form A3 shall be
identical with the information on the
face and reverse sides of Form A1 certificate in paragraph (b) of this section
except for the identification of model
form, description of the ‘‘Freeboard
from deck line,’’ the ‘‘Load Line,’’ and
the illustration of load line marks,
which shall be as follows:
INTERNATIONAL LOAD LINE CERTIFICATE (1966)
[Form A3]
*
*
*
*
*
*
*
The timber freeboards given in this certificate are applicable only when this ship carries
a timber deck cargo and complies with special requirements of the Load Line Regulations
regarding timber deck cargoes.
FREEBOARD FROM
DECK LINE
Tropical ..........................
ll
LOAD LINE
(inches) ....................
(T) ...................................
ll
(inches) above (S).
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§ 42.50–5
FREEBOARD FROM
DECK LINE
Summer ..........................
ll
LOAD LINE
(inches) ....................
(S) ...................................
Winter ............................. ll (inches) .................... (W) ..................................
Winter—North Atlantic .. ll (inches) .................... (WNA) .............................
Timber—tropical ............ ll (inches) .................... (LT) .................................
Timber—summer ............ ll (inches) .................... (LS) .................................
Timber—winter ............... ll (inches) .................... (LW) ................................
Timber—winter—North
ll (inches) ....................
(LWNA) ...........................
Atlantic.
Allowance for fresh water for all freeboards other than timber ..........................
Allowance for fresh water for all timber freeboards ............................................
Upper edge of line at
level of center of ring.
ll (inches) below (S).
ll (inches) below (S)
ll (inches) above (LS).
ll (inches) above (S).
ll (inches) below (LS).
ll (inches) below (LS).
ll
ll
(inches).
(inches).
(All measurements are to upper edge of the respective horizontal lines)
The upper edge of the deck line from which these freeboards are measured is
above or below the top of the ll ll deck at side; i.e., freeboard 1 deck.
*
*
*
*
*
*
ll
inches
*
1 The
issuing authority is authorized to delete or change words whenever it is inapplicable
to a specific vessel and to arrange wording so appropriate word insertions may be made,
which accurately describe the facts.
(e) The text and arrangement of the printed portions of Form E1 are as follows:
INTERNATIONAL LOAD LINE EXEMPTION CERTIFICATE
[Form E1]
(Official seal of issuing authority.)
(Certificate No. ll )
Issued under the provisions of the International Convention on Load Lines, 1966, under the
authority of the Government of the United States of America, and the Commandant U.S.
Coast Guard:
By .........................................................................................................................................................................
(Insert full official designation of issuing authority)
and duly authorized for assigning and exemption purposes under the provisions of the Convention.
Name of ship
Official numbers of distinctive letters
Port of registry
This is to certify that the above-mentioned ship is exempted from the provisions of the 1966
Convention, under the authority conferred by Article 6(2),1 Article 6(4),1 of the Convention referred to above and that this ship has been surveyed accordingly.
The provisions of the Convention from which the ship is exempted under Article 6(2) are:
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§ 42.50–5
46 CFR Ch. I (10–1–00 Edition)
The voyage for which exemption is granted under Article 6(4) is:
From: llllllllllllllllllllllllllllllllllllllllllllll
To: lllllllllllllllllllllllllllllllllllllllllllllll
Conditions, if any, on which the exemption is granted under either Article 6(2) or Article
6(4):
This certificate is valid until ll ll ,2 subject, where appropriate, to annual surveys in
accordance with Article 14(1)(c) of the Convention, and endorsement thereof on the reverse
side of the certificate.
Issued at
(Place of issue of certificate)
(Date of issue).
(Signature of official issuing the certificate)
[Seal
of issuing authority]
The undersigned declares that he is duly authorized by the said Government to issue this
certificate.
(Signature)
1 The issuing authority is authorized to delete whichever reference is inapplicable.
2 At the expiration of this certificate, applicable reissuance should be obtained in accordance with the Load Line Regulations, if permitted.
(Reverse side of exemption certificate)
ANNUAL SURVEYS
This is to certify that this ship continues to comply with the conditions under which this
exemption was granted.
Place .............................................................................................................
Date ....
..............................
(Signature and seal of issuing authority)
Place .............................................................................................................
Date ....
..............................
(Signature and seal of issuing authority)
Place .............................................................................................................
Date ....
..............................
(Signature and seal of issuing authority)
Place .............................................................................................................
Date ....
..............................
(Signature and seal of issuing authority)
EXTENSION OF LOAD LINE CERTIFICATE
This ship continues to comply with the conditions under which this exemption was granted
and the validity of this certificate is, in accordance with Article 19(4)(a) of the Convention,
extended until.
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PsN: 190175T
Coast Guard, DOT
§ 42.50–10
Place .............................................................................................................
Date ....
..............................
(Signature and seal of issuing authority)
[CGFR 68–60, 33 FR 10070, July 12, 1968, as amended by CGFR 68–126, 34 FR 9017, June 5, 1969]
(b) The text and arrangement of the
printed portion of Form B shall be
identical with the information on the
face and reverse sides of Form A1 certificate in § 42.50–5(b) except for title of
certificate, model form, the first paragraph, and the wording of the certificate for issuance and revalidation,
which shall be as follows:
§ 42.50–10 Load line certificates for
nonadherent foreign flag vessels.
(a) The form of load line certificate
certifying to the correctness of the
load line marks assigned under the regulations in this subchapter to nonadherent foreign flag vessels as specified in § 42.07–45(e)(2) is:
(1) Form B for general use. The period of validity shall be as expressed in
§ 42.09–20(c).
LOAD LINE CERTIFICATE
(Form B)
(Official seal of issuing authority.)
(Certificate No. ll )
Issued under the authority of the Commandant, U.S. Coast Guard, United States of America, under the provisions of the Load Line Act of March 2, 1929, as amended (46 U.S.C. 85–85g),
and the Load Line Regulations in 46 CFR part 42:
By llllllllllllllllllllllllllllllllllllllllllllllll
(Insert full official designation of issuing authority)
and duly authorized for assigning purposes under the provisions of the Load Line Act of
March 2, 1929, as amended.
*
*
*
*
*
*
*
This is to certify that this ship has been surveyed and the freeboards have been assigned
and load lines shown above have been marked upon the vessel in manner and location as required by the Load Line Regulations of the Commandant, U.S. Coast Guard, in 46 CFR part
42.
This certificate remains in force until ll ll ,2 subject to annual revalidation in accordance with the Load Line Regulations, and endorsement thereof on the reverse side of this certificate.
Issued at ll ll (Place of issue of certificate), ll, 19l (Date of issue)
(Signature of official issuing the
certificate)
[Seal
of issuing authority]
*
*
*
*
*
*
*
2 Expiration
date is not to exceed 5 years from original date of issue of this certificate. At
expiration applicable reissuance of this certificate should be obtained in accordance with the
Load Line Regulations.
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PsN: 190175T
§ 42.50–15
46 CFR Ch. I (10–1–00 Edition)
*
*
*
*
*
*
*
(Reverse Side of Certificate)
ANNUAL REVALIDATION OF CERTIFICATE
This is to certify that the provisions of the Load Line Regulations of the Commandant,
U.S. Coast Guard, are fully complied with by the condition of this ship on the dates indicated, and in each case this certificate is revalidated for a 1 year interval as follows:
(1) Until.
Place ..............................
Date ..............
........................................................................................
(Signature and seal of issuing authority)
(1) Until.
Place ..............................
Date ..............
........................................................................................
(Signature and seal of issuing authority)
(1) Until.
Place ..............................
Date ..............
........................................................................................
(Signature and seal of issuing authority)
(1) Until.
Place ..............................
Date ..............
........................................................................................
(Signature and seal of issuing authority)
[CGFR 68–126, 34 FR 9017, June 5, 1969]
plication of these forms is as specified
in § 42.07–45(e).
(b) Space shall be provided on the
face of each of the coastwise load line
certificates so that there may be entered thereon a record of the restrictions applicable to the vessel, if any.
(c) The text and arrangement of the
printed portions of Form C1 are as follows:
§ 42.50–15 Coastwise load line certificates for U.S.-flag vessels.
(a) The forms of the coastwise load
line certificate, other than for special
service which are provided for in part
44 of this subchapter, certifying to the
correctness of the load line marks assigned under the regulations in this
part are C1, C2 and C3. The detailed ap-
COASTWISE LOAD LINE CERTIFICATE
[Form C1]
(Official seal of issuing authority.)
(Certificate No. ll )
Issued under the authority of the Commandant, U.S. Coast Guard, under the provisions of
the Coastwise Load Line Act, 1935, as amended (46 U.S.C. 88–88g), and the Load Line Regulations in 46 CFR part 42:
By llllllllllllllllllllllllllllllllllllllllllllllll
(Insert full official designation of issuing authority)
and duly authorized for assigning purposes under the provisions of this law for vessels engaging in coastwise and/or intercoastal voyages.
Name of ship
Official number or distinctive letters
Port or registry
Length (L) as defined in
46 CFR 42.13–15
Freeboard assigned as: 1 ..
A new ship. .....................
An existing ship. .............
Type of ship: 1 .................
Type ‘‘A’’.
Type ‘‘B’’.
Type ‘‘B’’ with reduced
freeboard.
Type ‘‘B’’ with increased
freeboard.
FREEBOARD FROM DECK
LINE
Tropical ..........................
ll
(inches) ....................
(T) ...................................
LOAD LINE
ll
(inches) above (S).
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PsN: 190175T
Coast Guard, DOT
§ 42.50–15
Official number or distinctive letters
Name of ship
Summer ..........................
ll
Length (L) as defined in
46 CFR 42.13–15
Port or registry
(inches) ....................
(S) ...................................
Winter ............................. ll (inches) .................... (W) ..................................
Allowance for fresh water for all freeboards ........................................................
Upper edge of line at
level of center of ring.
ll (inches) below (S).
ll (inches)
ll
(All measurements are to upper edge of the respective horizontal lines)
The upper edge of the deck line from which these freeboards are measured is
above or below the top of the ll ll deck at side; i.e., freeboard 1 deck.
*
*
*
*
*
*
ll
inches
*
Date of initial or periodical survey llllllllllllllllllllllllllllllllll
The following is a record of the restrictions applicable to the above named ship:
(List restrictions. If none, insert ‘‘None.’’)
This is to certify that this ship has been surveyed and that the freeboards have been assigned and load lines shown above have been marked in accordance with the Commandant,
U.S. Coast Guard, Coastwise Load Line Regulations in 46 CFR parts 42 to 46, inclusive as applicable.
This certificate remains in force until ll ll ,2 subject to annual surveys in accordance
with applicable Load Line Regulations, and endorsement thereof on the reverse side of the
certificate.
Issued at
lllllllllllllllllllllllllllllllllllllllllllll
(Place of issue of certificate)
(Date of issue)
By
(Signature of official issuing the certificate)
[Seal of issuing
authority]
NOTES
1. When a ship departs from a port situated on a river or inland waters, deeper loading shall
be permitted corresponding to the weight of fuel and all other materials required for consumption between the point of departure and the sea.
2. When a ship is in fresh water of unit density the appropriate load line may be submerged
by the amount of the fresh water allowance shown above. Where the density is other than
unity, an allowance shall be made proportional to the difference between 1.025 and the actual
density.
3. It is the owner’s responsibility to furnish the master with information and instructions
for loading and ballasting this vessel to provide guidance as to stability of the vessel under
varying conditions of service and to avoid unacceptable stresses in the vessel’s structure.
1 The issuing authority is authorized to delete or change words inapplicable to a specific
vessel and to arrange wording so appropriate word insertions may be made, which accurately
describe the facts.
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PsN: 190175T
§ 42.50–15
46 CFR Ch. I (10–1–00 Edition)
2 At the expiration of this certificate, applicable reissuance should be obtained in accordance with the Load Line Regulations.
(Reverse side of Coastwise Load Line Certificate)
ANNUAL SURVEYS
This is to certify that this ship has been surveyed on the dates indicated to determine in
each case whether this certificate should remain in force for an additional 1 year and the survey has been completed to my satisfaction.
(1) .................................................
Signature of Surveyor
(2) .................................................
Signature of Surveyor
(3) .................................................
Signature of Surveyor
(4) .................................................
Signature of Surveyor
..................................................
Place
..................................................
Place
..................................................
Place
..................................................
Place
.
Date
.
Date
.
Date
.
Date
EXTENSION OF LOAD LINE CERTIFICATE
The provisions of the Coastwise Load Line Regulations of the Commandant, U.S. Coast
Guard, being fully complied with by this ship, this certificate is extended under the authority
of 46 CFR 42.07–45 and 42.09–15 until.
Place .............................................................................................................
............................................................................................................................
Date ....
............
..............................
..............................
(Name of issuing authority and signature of Surveyor)
NOTES
4. The periods and areas during which the seasonal load lines apply are as stated in the
Load Line Regulations in 46 CFR Subpart 42.30, as appropriate.
5. This Coastwise Load Line Certificate will be canceled by the Commandant, U.S. Coast
Guard, if:
(a) The annual surveys have not been carried out within three months either way of each
anniversary of the certificate date.
(b) The certificate is not endorsed to show that the ship has been surveyed as indicated in
(a).
(c) Material alterations have been made to the hull or superstructure of the vessel, such
as would necessitate the assignment of an increased freeboard.
(d) The fittings and appliances for the protection of the openings, guardrails, freeing ports,
or the means of access to the crew’s quarters have not been maintained in as effective a condition as they were when the certificate was issued.
(e) The structural strength of the ship is lowered to such an extent that the ship is unsafe.
6. When this certificate has expired or has been canceled, it must be delivered to the
issuing authority.
*
*
*
*
(d) The text and arrangement of the
printed portion of Form C2 shall be
identical with the information on the
face and revese sides of Form C1 certificate in paragraph (c) of this section
*
*
*
except for the identification of model
form, description of the ‘‘Freeboard
from deck line’’, the ‘‘Load Line’’, and
the illustration of load line marks,
which shall be as follows:
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PsN: 190175T
Coast Guard, DOT
§ 42.50–15
COASTWISE LOAD LINE CERTIFICATE
[Form C2]
*
*
*
*
*
*
*
FREEBOARD FROM DECK LINE
LOAD LINE
Tropical ............................ ll (inches) ..............................................................
Summer ......................... ......do ........................................................................
Winter ........................... ......do ........................................................................
Allowance for fresh water for all freeboards ........................................................
Upper edge of line at level
center of ring.
Do.
ll (inches).
(All measurements are to upper edge of the respective horizontal lines)
The upper edge of the deck line from which these freeboards are measured is
above or below the top of the ll ll deck at side; i.e., freeboard 1 deck.
*
*
*
*
(e) The text and arrangement of the
printed portion of Form C3 shall be
identical with the information on the
face and reverse sides of Form C1 certificate in paragraph (c) of this section
*
*
ll
inches
*
except for the identification of model
form, description of the ‘‘Freeboard
from deck line,’’ the ‘‘Load Line,’’ and
the illustration of load line marks,
which shall be as follows:
COASTWISE LOAD LINE CERTIFICATE
[Form C3]
*
*
*
*
*
*
*
The timber freeboards given in this certificate are applicable only when this ship carries
a timber deck cargo and complies with the special requirements of the Load Line Regulations
regarding timber deck cargoes.
FREEBOARD FROM DECK LINE LOAD LINE
Tropical .............................
Summer .............................
ll
ll
LOAD LINE
(inches) .......................................
(inches) .......................................
(T) ...........
(S) ...........
Winter ............................... ll (inches) ....................................... (W) ..........
Timber—tropical ............... ll (inches) ....................................... (LT) .........
Timber—summer ............... ll (inches) ....................................... (LS) .........
Timber—winter ................. ll (inches) ....................................... (LW) ........
Allowance for fresh water for all freeboards other than timber .....................
Allowance for fresh water for all timber freeboards .......................................
(inches) above (S).
Upper edge of line at level
of center of ring.
ll (inches) below (S).
ll (inches) above (LS).
ll (inches) above (S).
ll (inches) below (LS).
ll (inches).
ll (inches).
ll
(All measurements are to upper edge of the respective horizontal lines)
The upper edge of the deck line from which these freeboards are measured is
above or below the top of the ll ll deck at side; i.e., freeboard 1 deck.
ll
inches
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PsN: 190175T
Pt. 44
46 CFR Ch. I (10–1–00 Edition)
*
*
*
*
*
*
*
1 The issuing authority is authorized to delete or change words inapplicable to a specific
vessel and to arrange wording so appropriate word insertions may be made, which accurately
describe the facts.
[CGFR 68–60, 33 FR 10073, July 12, 1968, as amended by CGFR 68–126, 34 FR 9018, June 5, 1969]
PART 43 [RESERVED]
SOURCE: CGFR 65–50, 30 FR 16755, Dec. 30,
1965, unless otherwise noted.
PART 44—SPECIAL SERVICE LIMITED
DOMESTIC VOYAGES
Subpart A—Administration
Subpart A—Administration
§ 44.01–1 Establishment of load lines
for special services.
Sec.
44.01–1 Establishment of load lines for special services.
44.01–5 Administration; special service.
44.01–10 Approval by Commandant, U.S.
Coast Guard, of special service.
44.01–11 Assignment and marking load lines;
special service.
44.01–12 Voyage limits; special service.
44.01–13 Heavy weather plan.
44.01–15 Special service certificate.
44.01–20 New and existing vessels; special
service.
(a) Load lines are established for
steam colliers, tugs, barges, and selfpropelled barges engaged in special
services in conformity with regulations
in this part.
(b) Load lines for steam colliers,
barges, and self-propelled barges engaged on specially limited coastwise
voyages as described in § 44.01–12 shall
be established pursuant to the regulations in this part.
(c) Variance for tugs is not permitted.
Subpart B—Rules for Assigning Special
Service Load Lines
[CGFR 65–50, 30 FR 16755, Dec. 30, 1965, as
amended by USCG–1998–4442, 63 FR 52190,
Sept. 30, 1998]
44.05–1 General.
44.05–5 Definitions.
44.05–10 Load line markings.
44.05–15 Existing vessels.
44.05–20 Conditions of assignment.
44.05–25 Freeboards.
44.05–30 Load line certificate.
44.05–35 Form of load line certificate.
§ 44.01–5
ice.
Administration; special serv-
(a) The administrative provisions of
§§ 42.01–1 to 42.11–20 inclusive of this
subchapter, relating to vessels engaged
in foreign and coastwise voyages,
where applicable, shall apply to vessels
subject to this part except as modified
in paragraph (b) of this section.
(b) Application for the assignment of
load lines under this part for the types
of vessels described in § 44.01–1 shall be
made in writing to the American Bureau of Shipping unless another society
has been specifically approved by the
Commandant as a load line assigning
Subpart C—Rules for Assigning Working
Freeboards to Hopper Dredges
44.300 Applicability.
44.310 Definitions.
44.320 Submission of plans and calculations.
44.330 Obtaining working freeboards for
hopper dredges.
44.340 Operating restrictions.
AUTHORITY: 46 U.S.C. 5101 –5116; 49 CFR 1.46.
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PsN: 190175T
| File Type | application/pdf |
| File Modified | 2014-12-29 |
| File Created | 2014-12-29 |