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pdf§ 181.35
33 CFR Ch. I (7–1–10 Edition)
2100 2nd St., SW., Stop 7581, Washington, DC 20593–7581 of the change in
writing.
[CGD 79–013, 48 FR 40718, Sept. 9, 1983, as
amended by CGD 88–052, 53 FR 25122, July 1,
1988; CGD 96–026, 61 FR 33669, June 28, 1996;
USCG–2008–0179, 73 FR 35024, June 19, 2008;
USCG–2010–0351, 75 FR 36287, June 25, 2010]
§ 181.35
Removal of numbers.
No person may remove or alter a
number required by this subpart unless
authorized by the Commandant, U.S.
Coast Guard.
Subparts D–F [Reserved]
§ 181.704 Contents of information pamphlet: Recreational hybrid PFD.
Each information pamphlet for a recreational hybrid PFD approved under
46 CFR 160.077 must contain the information specified in 46 CFR 160.077–27.
[CGD 93–055, 61 FR 13927, Mar. 28, 1996]
§ 181.705 Contents of information pamphlet: Recreational inflatable PFD.
Each information pamphlet for a recreational inflatable PFD approved
under 46 CFR 160.076 must contain the
information required by 46 CFR 160.076–
35.
[CGD 93–055, 61 FR 13927, Mar. 28, 1996]
Subpart G—Instruction Pamphlet
for Personal Flotation Devices
PART 183—BOATS AND
ASSOCIATED EQUIPMENT
SOURCE: CGD 75–008a, 43 FR 9767, Mar. 9,
1978, unless otherwise noted.
§ 181.701
Applicability.
This subpart applies to all personal
flotation devices that are sold or offered for sale for use on recreational
boats.
§ 181.702 Information pamphlet:
quirement to furnish.
re-
(a) Each manufacturer of a Type I, II,
III, IV, or V personal flotation device
(PFD) must furnish with each PFD
that is sold or offered for sale for use
on a recreational boat, an information
pamphlet meeting the requirements of
§ 181.703, § 181.704, or § 181.705 of this subpart, as appropriate.
(b) No person may sell or offer for
sale for use on a recreational boat, a
Type I, II, III, IV, or V PFD unless an
information pamphlet required by this
section is attached in such a way that
it can be read prior to purchase.
Sec.
183.1
183.3
183.5
Purpose and applicability.
Definitions.
Incorporation by reference.
Subpart B—Display of Capacity
Information
183.21
183.23
183.25
183.27
Applicability.
Capacity marking required.
Display of markings.
Construction of markings.
Subpart C—Safe Loading
§ 181.703 Information pamphlet: Contents.
183.31 Applicability.
183.33 Maximum weight capacity: Inboard
and inboard-outdrive boats.
183.35 Maximum weight capacity: Outboard
boats.
183.37 Maximum weight capacity: Boats
rated for manual propulsion and boats
rated for outboard motors of 2 horsepower or less.
183.39 Persons capacity: Inboard and inboard-outdrive boats.
183.41 Persons capacity: Outboard boats.
183.43 Persons capacity: Boats rated for
manual propulsion and boats rated for
outboard motors of 2 horsepower or less.
Unless otherwise specified in this
subpart, each information pamphlet
must contain the information specified
in sections 33, 34 and 35 of UL 1123.
183.51
183.53
[CGD 93–055, 61 FR 13927, Mar. 28, 1996]
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Subpart A—General
Subpart D—Safe Powering
Applicability.
Horsepower capacity.
[CGD 93–055, 61 FR 13927, Mar. 28, 1996]
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Coast Guard, DHS
Pt. 183
MANUFACTURER REQUIREMENTS
Subpart E [Reserved]
Subpart F—Flotation Requirements for Inboard Boats, Inboard/Outdrive Boats,
and Airboats
183.101 Applicability.
183.105 Quantity of flotation required.
183.110 Definitions.
183.112 Flotation material and air chambers.
183.114 Test of flotation materials.
Subpart G—Flotation Requirements for Outboard Boats Rated for Engines of More
Than 2 Horsepower
183.410 Ignition protection.
183.415 Grounding.
183.420 Batteries.
183.425 Conductors: General.
183.430 Conductors in circuits of less than 50
volts.
183.435 Conductors in circuits of 50 volts or
more.
183.440 Secondary circuits of ignition systems.
183.445 Conductors: Protection.
183.455 Overcurrent protection: General.
183.460 Overcurrent protection: Special applications.
Subpart J—Fuel Systems
GENERAL
183.201 Applicability.
183.202 Flotation and certification requirements.
183.205 Passenger carrying area.
183.210 Reference areas.
183.215 Reference depth.
183.220 Preconditioning for tests.
183.222 Flotation material and air chambers.
TESTS
183.225
183.230
183.235
for
Flotation test for persons capacity.
Stability test.
Level flotation test without weights
persons capacity.
Subpart H—Flotation Requirements for Outboard Boats Rated for Engines of 2
Horsepower or Less
GENERAL
183.301
183.302
183.305
183.310
183.315
183.320
183.322
Applicability.
Flotation requirements.
Passenger carrying area.
Reference areas.
Reference depth.
Preconditioning for tests.
Flotation materials.
GENERAL
183.501
183.505
183.507
Applicability.
Definitions.
General.
EQUIPMENT STANDARDS
183.510 Fuel tanks.
183.512 Fuel tanks: Prohibited materials.
183.514 Fuel tanks: Labels.
183.516 Cellular plastic used to encase fuel
tanks.
183.518 Fuel tank openings.
183.520 Fuel tank vent systems.
183.524 Fuel pumps.
183.526 Carburetors.
183.528 Fuel stop valves.
183.530 Spud, pipe, and hose fitting configuration.
183.532 Clips, straps, and hose clamps.
183.534 Fuel filters and strainers.
183.536 Seals and gaskets in fuel filters and
strainers.
183.538 Metallic fuel line materials.
183.540 Hoses: Standards and markings.
183.542 Fuel systems.
MANUFACTURER REQUIREMENTS
TESTS
183.325 Flotation test for persons capacity.
183.330 Stability test.
183.335 Level flotation test without weights
for persons capacity.
TABLE 4 TO SUBPART H OF PART 183—WEIGHTS
(POUNDS) OF OUTBOARD MOTOR AND RELATED EQUIPMENT FOR VARIOUS BOAT
HORSEPOWER RATINGS
FIGURES TO SUBPART H OF PART 183
Subpart I—Electrical Systems
183.550 Fuel tanks: Installation.
183.552 Plastic encased fuel tanks: Installation.
183.554 Fittings, joints, and connections.
183.556 Plug and fittings.
183.558 Hoses and connections.
183.560 Hose clamps: Installation.
183.562 Metallic fuel lines.
183.564 Fuel tank fill system.
183.566 Fuel pumps: Placement.
183.568 Anti-siphon protection.
183.570 Fuel filters and strainers: Installation.
183.572 Grounding.
TESTS
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GENERAL
183.401 Purpose, applicability, and effective
dates.
183.402 Definitions.
183.405 General.
183.580 Static pressure test for fuel tanks.
183.584 Shock test.
183.586 Pressure impluse test.
183.588 Slosh test.
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§ 183.1
183.590
33 CFR Ch. I (7–1–10 Edition)
Fire test.
Subpart K—Ventilation
183.601
183.605
183.607
183.610
183.620
183.630
Applicability.
Definitions.
Incorporation by reference.
Powered ventilation system.
Natural ventilation system.
Standards for natural ventilation.
Subpart L—Start-in-Gear Protection
183.701
183.705
183.710
183.715
Applicability.
Definitions.
Start-in-gear protection required.
Exception.
Subpart M—Navigation Lights
183.801 Applicability.
183.803 Definitions.
183.810 Navigation light
quirements.
certification
re-
Subpart N [Reserved]
AUTHORITY: 46 U.S.C. 4302; Pub. L 103–206,
107 Stat. 2439; 49 CFR 1.46.
SOURCE: CGD 72–61R, 37 FR 15782, Aug. 4,
1972, unless otherwise noted.
Subpart A—General
§ 183.1
Purpose and applicability.
This part prescribes standards and
regulations for boats and associated
equipment to which 46 U.S.C. Chapter
43 applies and to which certification requirements in Part 181 of this subchapter apply.
[CGD 85–098, 52 FR 19728, May 27, 1987]
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§ 183.3
Definitions.
Beam means the transverse distance
between the outer sides of the boat excluding handles, and other similar fittings, attachments, and extensions.
Boat means any vessel—
(1) Manufactured or used primarily
for noncommercial use;
(2) Leased, rented, or chartered to another for the latter’s noncommercial
use; or
(3) Operated as an uninspected passenger vessel subject to the requirements of 46 CFR chapter I, subchapter
C.
Full transom means a transom with a
maximum width which exceeds onehalf the maximum beam of the boat.
Length means the straight line horizontal measurement of the overall
length from the foremost part of the
boat to the aftermost part of the boat,
measured from end to end over the
deck excluding sheer, and measured
parallel to the centerline. Bow sprits,
bumpkins, rudders, outboard motor
brackets, handles, and other similar
fittings, attachments, and extensions
are not included in the measurement.
Monohull boat means a boat on which
the line of intersection of the water
surface and the boat at any operating
draft forms a single closed curve. For
example, a catamaran, trimaran, or a
pontoon boat is not a monohull boat.
Motorwell means any arrangement of
bulkheads or structures that prevents
water from entering the passenger carrying area of the boat through any cutout area in the transom for mounting
an outboard motor.
Motorwell height means the vertical
distance from the lowest point of water
ingress along the top of the motorwell
to a line representing a longitudinal
extension of the centerline of the
boat’s bottom surface, excluding keels.
This distance is measured as a projection on the centerline plane of the
boat. See Figure 183.3.
Permanent
appurtenances
means
equipment that is mounted or fastened,
so that it is not removable without the
use of tools. Seats, inboard engines,
windshields, helm stations, or hardtops
are permanent appurtenances. Outboard motors, controls, batteries, and
portable fuel tanks are not permanent
appurtenances.
Remote steering means any mechanical assist device which is rigidly attached to the boat and used in steering
the vessel, including but not limited to
mechanical, hydraulic, or electrical
control systems.
Sailboat means a boat designed or intended to use sails as the primary
means of propulsion.
Sheer means the topmost line in a
boat’s side. The sheer intersects the
vertical centerline plane of the boat at
the forward end and intersects the
transom (stern) at the aft end. For the
purposes of this definition, the topmost
line in a boat’s side is the line defined
by a series of points of contact with
the boat structure, by straight lines at
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Coast Guard, DHS
§ 183.5
45 degree angles to the horizontal and
contained in a vertical plane normal to
the outside edge of the boat as seen
from above and which are brought into
contact with the outside of the horizontal boat. A boat is horizontal when
it is transversely level and when the
lowest points at 40 percent and 75 percent of the boat’s length behind the
most forward point of the boat are
level.
Transom means the surface at the
stern of a boat projecting or facing aft.
The upper boundary of the transom is
the line defined by a series of points of
contact, with the boat structure, by
straight lines at 45 degree angles to the
horizontal and contained in a vertical
longitudinal plane and which are
brought into contact with the stern of
the horizontal boat. A boat is horizontal when it is transversely level and
when the lowest points at 40 percent
and 75 percent of the boat’s length behind the most forward point of the boat
are level.
Transom height means the vertical
distance from the lowest point of water
ingress along the top of the transom to
a line representing a longitudinal extension of the centerline of the boat’s
bottom surface, excluding keels. This
distance is measured as a projection on
the centerline plane of the boat. See
Figure 183.3.
Vessel includes every description of
watercraft, other than a seaplane on
the water, used or capable of being
used as a means of transportation on
the water.
FIGURE 183.3—TRANSOM AND MOTORWELL HEIGHT
[CGD 73–250, 40 FR 43856, Sept. 23, 1975, as amended by CGD 75–176, 42 FR 2681, Jan. 13, 1977;
CGD 85–002, 51 FR 37574, Oct. 23, 1986; CGD 96–026, 61 FR 33669, June 28, 1996; 61 FR 36629, July
12, 1996; USCG–1999–5040, 67 FR 34760, May 15, 2002]
Incorporation by reference.
(a) Certain materials are incorporated by reference into this part
with the approval of the Director of the
Federal Register in accordance with 5
U.S.C. 552(a). To enforce any edition
other than the one listed in paragraph
(b) of this section, notice of change
must be published in the FEDERAL REGISTER and the material made available
to the public. All approved material is
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§ 183.5
§ 183.21
33 CFR Ch. I (7–1–10 Edition)
available for inspection at the Recreational Boating Product Assurance
Branch (CG–54223), 2100 2nd St., SW.,
Stop 7581, Washington, DC 20593–7581,
and at the National Archives and
Records Administration (NARA). For
information on the availability of this
material at NARA, call 202–741–6030, or
go
to:
http://www.archives.gov/
federallregister/
codeloflfederallregulations/
ibrllocations.html. All approved material is available from the sources listed
in paragraph (b) of this section.
(b) The materials approved for incorporation by reference in this part, and
the sections affected are:
erowe on DSK5CLS3C1PROD with CFR
Air Movement and Control Association, 30 W. University
Drive, Arlington Heights, IL
60004:
AMCA 210–74: Laboratory
Methods of Testing Fans
for Ratings—1974.
American Boat and Yacht Council, Inc., 3069 Solomons Island Road, Edgewater, Maryland 21037–1416:
ABYC A–16 Electric Navigation Lights-1997.
American Society for Testing and
Materials, 100 Barr Harbor
Drive, West Conshohocken,
PA 19428–2959:
ASTM D 471–96, Standard
Test Method for Rubber
Property—Effect of Liquids.
ASTM D 1621–94, Standard
Test Method for Compressive Properties of
Rigid Cellular Plastics.
ASTM D 1622–93, Standard
Test Method for Apparent Density of Rigid Cellular Plastics.
ASTM D 2842–97, Standard
Test Method for Water
Absorption of Rigid Cellular Plastics.
Institute of Electrical and Electronics, Engineers, Inc., 445
Hoes Lane, Piscataway, NJ
08854:
IEEE
45
IEEE
Recommended Practice for
Electrical Installations
on
Shipboard—1983.
Cable Construction.
§ 183.516
National Fire Protection Association,
1
Batterymarch
Park, Quincy, MA 02269:
NFPA No. 70 National § 183.435
Electrical
Code—1987.
Articles 310 & 400.
Naval Publications Forms Center, Customer Service—Code
1052, 5801 Tabor Avenue,
Philadelphia, PA 19120:
MILSPEC-P-21929B Plastic § 183.516
Material, Cellular Polyurethane,
Foam-InPlace, Rigid—1970.
Society of Automotive Engineers,
Inc.,
400
Commonwealth
Drive, Warrendale, PA 15096:
SAE J378 Marine Engine § 183.430
Wiring—1984.
SAE J557 High Tension Ig- § 183.440
nition Cable—1968.
SAE J1127 Battery Cable— § 183.430
1980.
SAE J1128 Low Tension § 183.430
Primary Cable—1975.
SAE J1527DEC85 Marine § 183.540
Fuel Hoses—1985.
Underwriters Laboratories, Inc.
(UL), 12 Laboratory Drive,
Research Triangle Park, NC
27709–3995:
UL 1114 Marine (USCG § 183.540
Type A) Flexible Fuel
Line Hose—1987.
UL 1128 Marine Blowers— § 183.610
1977.
UL 1426 Cables for Boats— § 183.435
1987.
[CGD 87–009, 53 FR 36971, Sept. 23, 1988, as
amended by CGD 96–026, 61 FR 33670, June 28,
1996; USCG–1999–5151, 64 FR 67176, Dec. 1, 1999;
USCG–2000–7223, 65 FR 40059, June 29, 2000;
USCG–1999–6580, 66 FR 55091, Nov. 1, 2001; 69
18803, Apr. 9, 2004; USCG–2004–18057, 69 FR
34926, June 23, 2004; USCG–2008–0179, 73 FR
35024, June 19, 2008; USCG–2010–0351, 75 FR
36288, June 25, 2010]
§ 183.114
Subpart B—Display of Capacity
Information
§ 183.610
§ 183.810
§§ 183.114;
183.516;
183.607;
183.620
§ 183.516
§ 183.21 Applicability.
This subpart applies to monohull
boats less than 20 feet in length, except
sailboats, canoes, kayaks, and inflatable boats.
§ 183.23 Capacity marking required.
Each boat must be marked in the
manner prescribed in §§ 183.25 and 183.27
with the maximum persons capacity in
whole numbers of persons and in
pounds, the maximum weight capacity
in pounds, determined under §§ 183.33
§ 183.435
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Coast Guard, DHS
§ 183.25
through 183.43, and the maximum
horsepower capacity determined under
§ 183.53 or the statement ‘‘This Boat
Not Rated for Propulsion by a Motor’’.
[CGD 78–034, 45 FR 2029, Jan. 10, 1980, as
amended by USCG–1999–5832, 64 FR 34716,
June 29, 1999]
§ 183.25
XXX Horsepower, motor with remote steering
XXX Horsepower, motor without remote
steering
(2) For inboard boats and inboardoutboard boats:
U.S. Coast Guard Maximum Capacities
XX Persons or XXX Pounds
XXX Pounds, persons, gear
Display of markings.
(a) Each marking required by § 183.23
must be permanently displayed in a
legible manner where it is clearly visible to the operator when getting the
boat underway.
(b) The information required by
§ 183.23 must be displayed in the following manner:
(1) For outboard boats:
(3) For boats rated for motors of 2
horsepower or less:
U.S. Coast Guard Maximum Capacities
XX Persons or XXX Pounds
XXX Pounds, persons, motor, gear
XXX Horsepower, motor
(4) For boats rated for manual propulsion:
U.S. Coast Guard Maximum Capacities
U.S. Coast Guard Maximum Capacities
XX Persons or XXX Pounds
XXX Pounds, persons, motor, gear
XXX Horsepower, motor
XX Persons or XXX Pounds
XXX Pounds, persons, gear
This Boat Not Rated for Propulsion by Motor
or
XX Persons or XXX Pounds
XXX Pounds, persons, motor, gear
(c) The capacity information displays
required in paragraph (b) must meet
the following as illustrated in Figure
183.25:
(1) The capacity information required
in § 183.23 must be displayed within a
yellow area that—
(i) Is at least 4 inches wide; and
(ii) Is high enough that each line of
print is separated by at least 1⁄8 inch
from each other and from the borders
of the yellow area;
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U.S. Coast Guard Maximum Capacities
§ 183.27
33 CFR Ch. I (7–1–10 Edition)
(2) The persons capacity in whole
numbers must be black print with the
following dimensions:
(i) The height must not be smaller
than one-half inch;
(ii) The width of the numbers must
be three-fifths of the height except for
the number ‘‘4’’, which shall be one
stroke width wider, and the number
‘‘1’’, which shall be one stroke in
width;
(iii) The stroke width shall be onesixth of the height; and
(iv) The minimum space between the
numbers shall be one stroke width.
(3) The words in the line ‘‘XX Persons
or XXX Pounds’’ must be at least onequarter inch in height but not larger
than one-half the height of the persons
capacity number and of a color contrasting with yellow. The number of
pounds in this line must be at least
one-eighth inch in height but no larger
than one-half the height of the persons
capacity number and of a color contrasting with yellow.
(4) All remaining words and numbers
required to be within the yellow area
required in paragraph (c)(1) must be at
least one-eighth inch in height, but no
larger than one-half the height of the
persons capacity number.
(5) All other words and numbers on
the displays must be located outside
the yellow area on a background color
which contrasts with yellow.
(6) The words ‘‘Maximum Capacities’’
must be at least one-quarter inch in
with its
Guard’’
inch in
with its
[CGD 78–034, 45 FR 2029, Jan. 10, 1980]
§ 183.27 Construction of markings.
Each marking required by § 183.23
must be—
(a) Capable of withstanding the combined effects of exposure to water, oil,
salt spray, direct sunlight, heat, cold,
and wear expected in normal operation
of the boat, without loss of legibility;
and
(b) Resistant to efforts to remove or
alter the information without leaving
some obvious sign of such efforts.
[CGD 78–034, 45 FR 2030, Jan. 10, 1980]
Subpart C—Safe Loading
§ 183.31 Applicability.
This subpart applies to monohull
boats less than 20 feet in length except
sailboats, canoes, kayaks, and inflatable boats.
§ 183.33 Maximum weight capacity: Inboard and inboard-outdrive boats.
(a) The maximum weight capacity
(W) marked on a boat that has one or
more inboard or inboard-outdrive units
for propulsion must not exceed the
greater value of W obtained from either of the following formulas:
(maximum displacement)
boat weight
4 (machinery weight)
−
−
5
5
5
or
(maximum displacement − boat weight)
W =
7
(b) For the purposes of paragraph (a)
of this section:
(1) ‘‘Maximum displacement’’ is the
weight of the volume of water displaced by the boat at its maximum
level immersion in calm water without
water coming aboard. For the purpose
of this paragraph, a boat is level when
it is transversely level and when either
of the two following conditions are
met:
(i) The forward point where the sheer
intersects the vertical centerline plane
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W=
height and of color contrasting
background.
(7) The words ‘‘U.S. Coast
must be at least one-eighth
height and of color contrasting
background.
Coast Guard, DHS
§ 183.37
and the aft point where the sheer intersects the upper boundary of the transom (stern) are equidistant above the
water surface or are equidistant below
the water surface.
(ii) The most forward point of the
boat is level with or above the lowest
point of water ingress.
(2) ‘‘Boat weight’’ is the combination
of:
(i) Hull weight;
(ii) Deck and superstructure weight;
(iii) Weight of permanent appurtenances; and
(iv) Weight of full permanent fuel
tanks.
(3) ‘‘Machinery weight’’ is the combined weight of installed engines or
motors, control equipment, drive units,
and batteries.
[CGD 72–61R, 37 FR 15782, Aug. 4, 1972]
EDITORIAL NOTE: For FEDERAL REGISTER citations affecting § 183.33, see the List of CFR
Sections Affected, which appears in the
Finding Aids section of the printed volume
and on GPO Access.
erowe on DSK5CLS3C1PROD with CFR
§ 183.35 Maximum weight
Outboard boats.
capacity:
(a) The maximum weight capacity
marked on a boat that is designed or
intended to use one or more outboard
motors for propulsion must be a number that does not exceed one-fifth of
the difference between its maximum
displacement and boat weight.
(b) For the purposes of paragraph (a)
of this section:
(1) ‘‘Maximum displacement’’ is the
weight of the volume of water displaced by the boat at its maximum
level immersion in calm water without
water coming aboard except for water
coming through one opening in the
motor well with its greatest dimension
not over 3 inches for outboard motor
controls or fuel lines. For the purpose
of this paragraph, a boat is level when
it is transversely level and when either
of the two following conditions are
met:
(i) The forward point where the sheer
intersects the vertical centerline plane
and the aft point where the sheer intersects the upper boundary of the transom (stern) are equidistant above the
water surface or are equidistant below
the water surface.
(ii) The most forward point of the
boat is level with or above the lowest
point of water ingress.
(2) ‘‘Boat weight’’ is the combination
of:
(i) Hull weight;
(ii) Deck and superstructure weight;
(iii) Weight of permanent appurtenances; and
(iv) Weight of full permanent fuel
tanks.
[CGD 72–61, 37 FR 15782, Aug. 4, 1972, as
amended by CGD 73–250, 40 FR 43857, Sept. 23,
1975; CGD 75–176, 42 FR 2681, Jan. 13, 1977;
USCG–1999–5832, 64 FR 34716, June 29, 1999]
§ 183.37 Maximum weight capacity:
Boats rated for manual propulsion
and boats rated for outboard motors of 2 horsepower or less.
(a) The maximum weight capacity
marked on a boat that is rated for
manual propulsion or for motors of 2
horsepower or less must not exceed 3/10
of the difference between the boat’s
maximum displacement and the boat’s
weight in pounds.
(b) For the purposes of paragraph (a)
of this section:
(1) ‘‘Maximum displacement’’ is the
weight of the volume of water displaced by the boat at its maximum
level immersion in calm water without
water coming aboard. For the purpose
of this paragraph, a boat is level when
it is transversely level and when either
of the two following conditions are
met:
(i) The forward point where the sheer
intersects the vertical centerline plane
and the aft point where the sheer intersects the upper boundary of the transom (stern) are equidistant above the
water surface or are equidistant below
the water surface.
(ii) The most forward point of the
boat is level with or above the lowest
point of water ingress.
(2) ‘‘Boat weight’’ is the combination
of:
(i) Hull weight;
(ii) Deck and superstructure weight;
and
(iii) Weight of permanent appurtenances.
[CGD 72–61R, 37 FR 15782, Aug. 4, 1972]
EDITORIAL NOTE: For FEDERAL REGISTER citations affecting § 183.37, see the List of CFR
Sections Affected, which appears in the
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§ 183.39
33 CFR Ch. I (7–1–10 Edition)
Finding Aids section of the printed volume
and on GPO Access.
§ 183.39 Persons capacity: Inboard and
inboard-outdrive boats.
(a) The persons capacity in pounds
marked on a boat that is designed to
use one or more inboard engines or inboard-outdrive units for propulsion
must not exceed the lesser of:
(1) The maximum weight capacity determined under § 183.33 for the boat; or
(2) For boats with a maximum persons capacity less than 550 pounds, the
maximum persons capacity determined
in the following manner:
(i) Float the boat in calm water with
all its permanent appurtenances, including installed engines, full fuel system and tanks, control equipment,
drive units and batteries.
(ii) Gradually add weights along one
outboard extremity of each passenger
carrying area, at the height of the seat
nearest the center of that area, but no
higher than the height of the gunwale
and distributed equally forward and aft
of that center in a plane parallel to the
floorboards, until the boat assumes the
maximum list or trim or both, without
water coming aboard.
(iii) Compute the persons capacity in
pounds in the following formula: Persons capacity=A/0.6 where A is the
total of the weights added in paragraph
(a)(2)(ii) of this section.
(b) The maximum persons capacity in
whole numbers of persons marked on a
boat that is designed or intended to use
one or more inboard engines or inboard-outboard units must not exceed
the value obtained by adding 32 pounds
to the value determined in paragraph
(a)(2)(iii), dividing the sum by 141 and
rounding off the result to the nearest
whole number. If the fraction is less
than one-half, round down to the next
whole integer and if the fraction is
equal to or greater than one-half,
round up to the next higher whole integer.
erowe on DSK5CLS3C1PROD with CFR
[CGD 78–034, 45 FR 2030, Jan. 10, 1980, as
amended by CGD 83–012, 49 FR 39328, Oct. 5,
1984; 50 FR 18636, May 2, 1985]
§ 183.41 Persons capacity: Outboard
boats.
(a) The persons capacity in pounds
marked on a boat that is designed to
use one or more outboard motors for
propulsion must not exceed the lesser
of:
(1) The maximum weight capacity determined under § 183.35 for the boat
minus the motor and control weight,
battery weight (dry), and full portable
fuel tank weight from table 4 of subpart H of this part; or
(2) For boats with a maximum persons capacity less than 550 pounds, the
maximum persons capacity determined
in the following manner:
(i) Float the boat with all its permanent appurtenances.
(ii) Add, in normal operating positions, the dry motor and control
weight, battery weight, and full portable fuel tank weight, if any, shown in
table 4 of subpart H of this part for the
maximum horsepower capacity marked
on the boat. Permanently installed fuel
tanks shall be full of fuel.
(iii) Gradually add weights along one
outboard extremity of each passenger
carrying area, at the height of the seat
nearest the center of that area, but no
higher than the height of the gunwale,
and distributed equally forward and aft
of that center in a plane parallel to the
floorboards until the boat assumes the
maximum list or trim, or both without
water coming aboard.
(iv) Compute the persons capacity in
pounds using the following formula:
Persons capacity=A/0.6 where A is the
total of the weights added in paragraph
(a)(2)(iii) of this section.
(b) The maximum persons capacity in
whole numbers of persons marked on a
boat designed or intended to use one or
more outboard motors for propulsion
must not exceed the value obtained by
adding 32 pounds to the lesser of the
values determined in paragraph (a)(1)
or (a)(2)(iv), dividing the sum by 141,
and rounding off the result to the nearest whole number. If the fraction is less
than one-half, round down to the next
lower whole integer and if the fraction
is equal to or greater than one-half,
round up to the next higher whole integer.
[CGD 78–034, 45 FR 2030, Jan. 10, 1980, as
amended by CGD 83–012, 49 FR 39328, Oct. 5,
1984; 50 FR 18636, May 2, 1985]
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Coast Guard, DHS
§ 183.53
§ 183.43 Persons capacity: Boats rated
for manual propulsion and boats
rated for outboard motors of 2
horsepower or less.
(a) The persons capacity in pounds
marked on a boat that is rated for
manual propulsion or for motors of 2
horsepower or less must not exceed:
(1) For boats rated for manual propulsion, 90 percent of the maximum
weight capacity in pounds; and
(2) For boats rated for motors of 2
horsepower or less, 90 percent of the
maximum weight capacity in pounds,
less 25 pounds.
(b) The maximum persons capacity,
in whole numbers of persons marked on
a boat that is rated for manual propulsion must not exceed the value obtained by adding 32 pounds to the value
determined in paragraph (a)(1), dividing the sum by 141, and rounding off
the result to the nearest whole number. If the fraction is less than onehalf, round down to the next lower integer and if the fraction is equal to or
greater than one-half, round up to the
next higher whole integer.
(c) The maximum persons capacity in
whole numbers of persons marked on a
boat rated for motors of 2 horsepower
or less must not exceed the value obtained by adding 32 pounds to the value
determined in paragraph (a)(2), dividing the sum by 141, and rounding off
the result to the nearest whole number. If the fraction is less than onehalf, round down to the next lower
whole integer and if the fraction is
equal to or greater than one-half,
round up to the next higher whole integer.
[CGD 78–034, 45 FR 2031, Jan. 10, 1980]
Subpart D—Safe Powering
§ 183.51
Applicability.
This subpart applies to monohull
boats less than 20 feet in length, except
sailboats, canoes, kayaks, and inflatable boats, that are designed or intended to use one or more outboard
motors for propulsion.
§ 183.53
Horsepower capacity.
The maximum horsepower capacity
marked on a boat must not exceed the
horsepower capacity determined by the
computation method discussed in paragraph (a) of this section, or for certain
qualifying boats, the performance test
method discussed in paragraph (b) of
this section.
(a) The maximum horsepower capacity must be computed as follows:
(1) Compute a factor by multiplying
the boat length in feet by the maximum transom width in feet excluding
handles and other similar fittings, attachments, and extensions. If the boat
does not have a full transom, the transom width is the broadest beam in the
aftermost quarter length of the boat.
(2) Locate horsepower capacity corresponding to the factor in Table 183.53.
(3) For a boat with a factor over 52.5,
if the horsepower capacity calculated
in Table 183.53 is not an exact multiple
of 5, it may be raised to the next exact
multiple of 5.
(4) For flat bottom hard chine boats
with a factor of 52 or less, the horsepower capacity must be reduced by one
horsepower capacity increment in
Table 183.53.
TABLE 183.53—OUTBOARD BOAT HORSEPOWER CAPACITY
[Compute: Factor=Boat Length×Transom Width]
If factor (nearest integer) is .....................................................
0–35
36–39
40–42
43–45
46–52
Horsepower Capacity is ...........................................................
3
5
7.5
10
15
[Note: For flat bottom hard chine boats, with factor of 52 or less, reduce one capacity limit (e.g. 5 to 3)]
No remote steering, or less than 20″ transom height
If factor is over 52.5 and the boat has
erowe on DSK5CLS3C1PROD with CFR
Horsepower capacity is (raise to nearest multiple of 5).
Remote steering and at
least 20″ transom height
(2×Factor) ¥90 ..................
For flat bottom hard chine
boats
(0.5×Factor)¥15 ................
For other boats
(0.8×Factor)¥25
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§ 183.53
33 CFR Ch. I (7–1–10 Edition)
(b) For boats qualifying under this
paragraph, the performance test method described in this paragraph may be
used to determine the horsepower capacity.
(1) Qualifying criteria. (i) Thirteen
feet or less in length;
(ii) Remote wheel steering;
(iii) Transom height
(A) Minimum 19 inch transom height;
or,
(B) For boats with at least a 19 inch
motorwell height, a minimum 15 inch
transom height;
(iv) Maximum persons capacity not
over two persons;
(2) Boat preparation. (i) The boat must
be
rigged
with
equipment
recommended or provided by the boat and
motor manufacturer and tested with
the highest horsepower production
powerplant for which the boat is to be
rated, not to exceed 40 horsepower.
(ii) Standard equipment must be installed in accordance with manufacturers’ instructions.
(iii) The lowest ratio (quickest)
steering system offered on the boat
model being tested must be installed.
(iv) The outboard motor must be
fitted with the manufacturer’s recommended propeller providing maximum speed.
(v) Standard permanently installed
fuel tanks must be no more than onehalf full. Boats without permanent
tanks must be tested with one full
portable tank.
(vi) Portable tanks must be in their
designated location or placed as far aft
as possible.
(vii) The outboard motor must be
placed in the lowest vertical position
on the transom or, if mounting instructions are provided with the boat, at the
height recommended.
(viii) Boat bottom, motor and propeller must be in new or almost new
condition.
erowe on DSK5CLS3C1PROD with CFR
NOTE: The use of the following special
equipment should be considered because of
the potential for exceeding the capabilities
of the boat while performing the test:
Racing Type Personal Flotation Device
Helmet.
(3) Test conditions. Testing must be
conducted on smooth, calm water with
the wind speed below 10 knots. The test
must be conducted with no load other
than a driver who must weigh no more
than 200 pounds. The motor trim angle
must be adjusted to provide maximum
full throttle speed short of excessive
porpoising or propeller ventilation or
‘‘cavitation’’, so that there is no loss of
directional control.
(4) Quick turn test procedure. Set
throttle at a low maneuvering speed
and steer the boat straight ahead. Turn
the steering wheel 180° in the direction
of least resistance in 1⁄2 second or less
and hold it at that position without
changing the throttle or trim settings
during or after the wheel change. The
boat completes the maneuver successfully if it is capable of completing a 90°
turn without the driver losing control
of the boat or reducing the throttle
setting. Gradually increase the boat’s
turn entry speed incrementally until
the boat does not complete the Quick
Turn Test successfully or successfully
completes it at maximum throttle.
NOTE: It is recognized that operator skill
and familiarity with a particular boat and
motor combination will affect the test results. It is permissible to make a number of
practice runs through the quick turn test at
any throttle setting.
(5) Test course method. Set throttle for
30 miles per hour boat speed and run
the test course set up in accordance
with Figure 183.53, passing outside the
designated avoidance marker for 35 to
37.5 miles per hour without contacting
any of the course markers. If the boat
successfully completes this run of the
test course, increase the throttle setting to 35 to 37.5 miles per hour boat
speed and run the course passing outside the designated avoidance marker
for that speed without contacting any
of the course markers. If the boat successfully completes this run of the test
course and the motor was not at full
throttle, increase the throttle setting
to 37.5 to 42.5 miles per hour boat speed
and run the course passing outside the
designated avoidance marker for that
speed without contacting any of the
course markers. If the boat successfully completes this run of the test
course and the motor was not at full
throttle, increase the throttle setting
to 42.5 miles per hour or more and run
the course passing outside the designated avoidance marker for that
speed without contacting any of the
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Coast Guard, DHS
§ 183.105
course markers. If the boat successfully completes this run of the test
course and the motor was not at full
throttle, continue to increase the
throttle setting and run the test course
passing outside the designated avoidance marker for 42.5 miles per hour or
more until the boat fails to complete
the test successfully or the boat completes the test course maneuvers successfully at full throttle. The boat successfully completes the test course if
the driver is able to maneuver it between the designated avoidance markers without striking the markers and
without losing control of the boat or
reducing the throttle setting. There
must be no change in position of any
equipment on board and there must be
no change of position of personnel in
order to influence the test results.
There must be no instability evidenced
by oscillating motion in the roll or yaw
axes exhibited while negotiating the
course.
NOTE: It is recognized that operator skill
and familiarity with a particular boat and
motor combination will affect the test re-
sults. It is therefore considered permissible
to make a number of practice runs through
the test course at any throttle setting.
(6) Maximum horsepower capacity. (i)
For boats capable of less than 35 miles
per hour, the maximum horsepower capacity must be the maximum horsepower with which the boat was able to
successfully complete the Quick Turn
Test Procedure in § 183.53(b)(4) at full
throttle or the maximum horsepower
determined under the calculations in
§ 183.53(a) of this section.
(ii) For boats capable of 35 miles per
hour or more, the maximum horsepower capacity must be the maximum
horsepower with which the boat was
able to successfully complete both the
Quick
Turn
Test
Procedure
in
§ 183.53(b)(4) and the Test Course Method in § 183.53(b)(5) at full throttle or the
calculations in § 183.53(a) of this section.
(iii) The maximum horsepower capacity determined in accordance with
§ 183.53(b) must not exceed 40 horsepower.
FIGURE 183.53—BOAT HORSEPOWER CAPACITY TEST COURSE—35 MPH OR
MORE
[CGD 85–002, 51 FR 37574, Oct. 23, 1986]
Subpart E [Reserved]
Subpart F—Flotation Requirements
for Inboard Boats, Inboard/
Outdrive Boats, and Airboats
SOURCE: CGD 75–168, 42 FR 20243, Apr. 18,
1977, unless otherwise noted.
Applicability.
This subpart applies to monohull inboard boats, inboard/outdrive boats,
and airboats less than 20 feet in length,
[CGD 75–168, 42 FR 20243, Apr. 18, 1977, as
amended by USCG–1999–5832, 64 FR 34716,
June 29, 1999]
§ 183.105 Quantity of flotation required.
(a) Each boat must have enough flotation to keep any portion of the boat
above the surface of the water when
the boat has been submerged in calm,
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EC18OC91.021
erowe on DSK5CLS3C1PROD with CFR
§ 183.101
except sailboats, canoes, kayaks, inflatable boats, submersibles, surface effect vessels, amphibious vessels, and
raceboats.
§ 183.110
33 CFR Ch. I (7–1–10 Edition)
fresh water for at least 18 hours and
loaded with:
(1) A weight that, when submerged,
equals two-fifteenths of the persons capacity marked on the boat;
(2) A weight that, when submerged,
equals 25 percent of the dead weight;
and
(3) A weight in pounds that, when
submerged, equals 62.4 times the volume in cubic feet of the two largest air
chambers, if air chambers are used for
flotation.
(b) For the purpose of this section,
‘‘dead weight’’ means the maximum
weight capacity marked on the boat
minus the persons capacity marked on
the boat.
§ 183.110
Definitions.
erowe on DSK5CLS3C1PROD with CFR
For the purpose of this subpart:
Bilge means the area in the boat,
below a height of 4 inches measured
from the lowest point in the boat
where liquid can collect when the boat
is in its static floating position, except
engine rooms.
Connected means allowing a flow of
water in excess of one-quarter ounce
per hour from the engine room bilge
into any other compartment with a 12
inch head of water on the engine room
side of the bulkhead.
Engine room bilge means the area in
the engine room or a connected compartment below a height of 12 inches
measured from the lowest point where
liquid can collect in these compartments when the boat is in its static
floating position.
Engine room means the compartment
where a permanently installed gasoline
or diesel engine is installed, including
connected compartments.
Open to atmosphere means a compartment that has at least 15 square inches
of open area directly exposed to the atmosphere for each cubic foot of net
compartment volume.
Sealed compartment means an enclosure that can resist an exterior water
level of 12 inches without seepage of
more than one-quarter fluid ounce per
hour.
[CGD 77–145, 43 FR 56858, Dec. 4, 1978, as
amended by CGD 82–010, 48 FR 8273, Feb. 28,
1983; CGD 85–098, 52 FR 19728, May 27, 1987;
CGD 96–026, 61 FR 33670, June 28, 1996; USCG–
1999–5832, 64 FR 34716, June 29, 1999; USCG–
1999–5151, 64 FR 67176, Dec. 1, 1999]
§ 183.112 Flotation material and air
chambers.
(a) Flotation materials must meet
the requirements in § 183.114 as listed in
Table 183.114 when used in the: (1) Engine room bilge, (2) engine room, or (3)
bilge, unless located in a sealed compartment.
(b) Air chambers used to meet the
flotation requirements of this subpart
must not be integral with the hull.
[CGD 77–145, 43 FR 56859, Dec. 4, 1978; 44 FR
47934, Aug. 16, 1979]
§ 183.114
Test of flotation materials.
(a) Vapor test. The flotation material
must not reduce in buoyant force more
than 5 percent after being immersed in
a fully saturated gasoline vapor atmosphere for 30 days at a minimum temperature of 38 °C.
(b) 24-hour gasoline test. The flotation
material must not reduce in buoyant
force more than 5 percent after being
immersed for 24 hours at 23 plus or
minus 2 °C in reference fuel B, of ASTM
D 471 (incorporated by reference, see
§ 183.5).
(c) 30-day gasoline test. The flotation
material must not reduce in buoyant
force more than 5 percent after being
immersed for 30 days at 23 plus or
minus 2 °C in reference fuel B, of ASTM
D 471 (incorporated by reference, see
§ 183.5).
(d) 24-hour oil test. The flotation material must not reduce in buoyant force
more than 5 percent after being immersed for 24 hours at 23 plus or minus
2 °C in reference oil No. 2, of ASTM D
471 (incorporated by reference, see
§ 183.5).
(e) 30-day oil test. The flotation material must not reduce in buoyant force
more than 5 percent after being immersed for 30 days at 23 plus or minus
2 °C in reference oil No. 2, of ASTM D
471 (incorporated by reference, see
§ 183.5).
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Coast Guard, DHS
§ 183.205
(f) 24-hour bilge cleaner test. The flotation material must not reduce in buoyant force more than 5 percent after
being immersed for 24 hours at 23 plus
or minus 2 °C in a 5-percent solution of
trisodium phosphate in water.
(g) 30-day bilge cleaner test. The flotation material must not reduce in buoyant force more than 5 percent after
being immersed for 30 days at 23 plus or
minus 2 °C in a 5-percent solution of
trisodium phosphate in water.
(h) The buoyant force reduction in
paragraphs (a) through (g) of this section is measured in accordance with
ASTM D 2842 (incorporated by reference, see § 183.5).
TABLE 183.114—FLOTATION PERFORMANCE
TESTS
Area 183.110
Test 183.114
(a) Vapor test ......................
(b) 24 hour gasoline test .....
(c) 30 day gasoline test .......
(d) 24 hour oil test ...............
(e) 30 day oil test ................
(f) 24 hour bilge cleaner test
(g) 30 day bilge cleaner test
(b) Engine
room
bilge
(c) Engine
room
unless
open to
atmosphere
(d) Bilge
..............
..............
X
..............
X
..............
X
X
..............
..............
..............
..............
..............
..............
..............
X
..............
X
..............
X
..............
[CGD 77–145, 43 FR 56859, Dec. 4, 1978; 44 FR
47934, Aug. 16, 1979, as amended by USCG–
2000–7223, 65 FR 40059, June 29, 2000]
Subpart
G—Flotation
Requirements for Outboard Boats
Rated for Engines of More
Than 2 Horsepower
SOURCE: CGD 75–168, 42 FR 20243, Apr. 18,
1977, unless otherwise noted.
GENERAL
erowe on DSK5CLS3C1PROD with CFR
§ 183.201
Applicability.
(a) This subpart applies to monohull
outboard boats that are:
(1) Less than 20 feet in length; and
(2) Rated for outboard engines of
more than 2 horsepower.
(b) This subpart does not apply to
sailboats, canoes, kayaks, inflatable
boats, submersibles, surface effect vessels, amphibious vessels, and raceboats.
[CGD 75–168, 42 FR 20243, Apr. 18, 1977, as
amended by USCG–1999–5832, 64 FR 34716,
June 29, 1999]
§ 183.202 Flotation
requirements.
and
certification
Each boat to which this subpart applies must be manufactured, constructed, or assembled to pass the stability and flotation tests prescribed in
§§ 183.225(a), 183.230(a), and 183.235(a).
§ 183.205
Passenger carrying area.
(a) For the purpose of this section a
boat is level when it is supported on its
keel at the two points shown in Figure
2.
(b) As used in this subpart, the term
‘‘passenger carrying area’’ means each
area in a boat in which persons can sit
in a normal sitting position or stand
while the boat is in operation. Passenger carrying areas are illustrated in
Figures 3 through 8.
(c) The length of the passenger carrying area is the distance along the
centerline of the boat between two
vertical lines, one at the forward end
and one at the aft end of the passenger
carrying area when the boat is level as
illustrated in Figures 3 and 4. For
boats with a curved stem inside the
passenger carrying area, the forward
vertical line is where a line 45 degrees
to the horizontal when the boat is level
is tangent to the curve of the stem, as
illustrated in Figure 5. For boats with
cabins, the forward vertical line is
where there is a minimum distance of
two feet between the inside top of the
cabin and the water line formed when
the boat is swamped and loaded with
weights under § 183.220 as illustrated in
Figure 6.
(d) The breadth of each passenger
carrying area is the distance between
two vertical lines at the mid-length,
excluding consoles, of the passenger
carrying area when the boat is level as
illustrated in Figures 7 and 8. For
boats with round chines inside the passenger carrying area, the vertical line
is where a transverse line 45 degrees to
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§ 183.210
33 CFR Ch. I (7–1–10 Edition)
the horizontal is tangent to the arc of
the chine, as illustrated in Figure 8.
[CGD 75–168, 42 FR 20243, Apr. 18, 1977, as
amended by USCG–1999–5832, 64 FR 34716,
June 29, 1999]
§ 183.210 Reference areas.
(a) The forward reference area of a
boat is the forward most 2 feet of the
top surface of the hull or deck, as illustrated in Figure 9.
(b) The aft reference area of a boat is
the aft most two feet of the top surface
of the hull or deck, as illustrated in
Figure 9.
erowe on DSK5CLS3C1PROD with CFR
§ 183.215 Reference depth.
Reference depth is the minimum distance between the uppermost surface of
the submerged reference area of a boat
and the surface of the water measured
at the centerline of the boat, as illustrated in Figure 10. If there is no deck
surface at the centerline of the boat
from which a measurement can be
made, the reference depth is the average of two depth measurements made
on opposite sides of, and at an equal
distance from, the centerline of the
boat.
§ 183.220 Preconditioning for tests.
A boat must meet the following conditions for at least 18 hours before the
tests required by §§ 183.225, 183,230, and
183.235:
(a) Manufacturer supplied permanent
appurtenances such as windshields and
convertible tops must be installed on
the boat.
(b) The boat must be loaded with a
quantity of weight that, when submerged, is equal to the sum of the following:
(1) The sum of 50 percent of the first
550 pounds of the persons capacity
marked on the boat and 121⁄2 percent of
the remainder of the persons capacity.
(2) Twenty-five percent of the result
of the following calculation, but not
less than zero: The maximum weight
capacity marked on the boat; less the
weight shown in Column 6 of Table 4
for maximum horsepower marked on
the boat; less the persons capacity
marked on the boat.
(c) The weights required by paragraph (b) of this section must be placed
in the boat so that the center of grav-
ity of each amount of weight required
by paragraphs (b)(1) and (b)(2) of this
section is within the shaded area illustrated in Figure 11. The location and
dimensions of the shaded area are as
follows:
(1) The shaded area is centered at the
mid-length of the passenger carrying
area and at the mid-breadth of the
boat;
(2) The length of the shaded area,
measured along the centerline of the
boat, is equal to 40 percent of the
length of the passenger carrying area
of the boat; and
(3) The breadth of the shaded area,
measured at the midlength of the passenger carrying area, is equal to 40 percent of the breadth of the passenger
carrying area of the boat.
(d) Weight must be placed in the normal operating position of the motor
and controls and the battery in lieu of
this equipment. The required quantity
of weight used for this purpose depends
upon the maximum rated horsepower
of the boat being tested and is specified
in Columns 2 and 4 of Table 4 for the
swamped weight of the motor and controls and for the submerged weight or
the battery, respectively.
(e) Permanent fuel tanks must be
filled with fuel and each external opening into the fuel tank must be sealed.
(f) The boat must be keel down in the
water.
(g) The boat must be swamped, allowing water to flow between the inside
and outside of the boat, either over the
sides, through a hull opening, or both.
Entrapped air in the flooded portion of
the boat must be eliminated.
(h) Water must flood the two largest
air chambers and all air chambers integral with the hull.
[CGD 75–168, 42 FR 20243, Apr. 18, 1977, as
amended by USCG–1999–5832, 64 FR 34716,
June 29, 1999]
§ 183.222 Flotation material and air
chambers.
(a) Flotation materials must meet
the requirements in § 183.114 as listed in
Table 183.114 when used in the bilge,
unless located in a sealed compartment.
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Coast Guard, DHS
§ 183.235
(b) Air chambers used to meet the
flotation requirements of this subpart
must not be integral with the hull.
[CGD 77–145, 43 FR 56859, Dec. 4, 1978; 44 FR
47934, Aug. 16, 1979]
TESTS
§ 183.225 Flotation test for persons capacity.
Flotation standard. When the conditions prescribed in § 183.220 are met, the
boat must float in fresh, calm water as
follows:
(a) The angle of heel does not exceed
10 degrees from the horizontal.
(b) Any point on either the forward
or aft reference area is above the surface of the water.
(c) The reference depth at the reference area that is opposite the reference area that is above the surface of
the water is 6 inches or less.
erowe on DSK5CLS3C1PROD with CFR
§ 183.230
Stability test.
(a) Flotation standard. When the conditions prescribed in § 183.220 (a), (d)
through (h) and paragraphs (b) and (c)
of this section are met, the boat must
float in fresh, calm water as follows:
(1) The angle of heel does not exceed
30 degrees from the horizontal.
(2) Any point on either the forward or
aft reference area is above the surface
of the water.
(3) The reference depth at the reference area that is opposite the reference area that is above the surface of
the water is 12 inches or less.
(b) Quantity of weight used. Load the
boat with a quantity of weight that,
when submerged, is equal to the sum of
the following:
(1) One-half of the quantity of weight
required by § 183.220(b)(1).
(2) The quantity of weight required
by § 183.220(b)(2).
(c) Placement of quantity of weight:
starboard side. Place the weight required by paragraph (b) of this section
in the boat so that:
(1) The quantity of weight required
by § 183.220(b)(2) is positioned in accordance with § 183.220(c); and
(2) One-half the quantity of weight
required by § 183.220(b)(1) is uniformly
distributed over a distance along the
outboard perimeter of the starboard
side of the passenger carrying area
that is equal to at least 30 percent of
the length of the passenger carrying
area so that the center of gravity of
the quantity of weight is located within the shaded area illustrated in Figure
12, the center of gravity of the amount
of weight placed on the floor of the
boat is at least 4 inches above the
floor, and the center of gravity of the
amount of weight placed on a seat is at
least 4 inches above the seat. The location and dimensions of the shaded area
are as follows:
(i) The shaded area is centered at the
mid-length of the passenger carrying
area;
(ii) The length of the shaded area is
equal to 70 percent of the length of the
passenger carrying area; and
(iii) The breadth of the shaded area is
6 inches from:
(A) For weights placed on the floor,
the outboard perimeter of the passenger carrying area; and
(B) For weights placed on a seat, a
vertical line inside the passenger carrying area as illustrated in Figure 13.
(d) Placement of quantity of weight:
port side. The quantity of weight required by paragraph (b)(1) of this section is placed along the port side of the
passenger carrying area in accordance
with the conditions prescribed in paragraph (c)(2) of this section.
§ 183.235 Level flotation test without
weights for persons capacity.
When the conditions prescribed in
§ 183.220 (a) and (d) through (h) are met,
the boat must float in fresh, calm
water as follows:
(a) The angle of heel does not exceed
10 degrees from the horizontal.
(b) Any point on either the forward
or aft reference area is above the surface of the water.
(c) The reference depth at the reference area that is opposite the reference area that is above the surface of
the water is 6 inches or less.
[CGD 77–145, 43 FR 56859, Dec. 4, 1978, as
amended by USCG–1999–5832, 64 FR 34716,
June 29, 1999]
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§ 183.301
33 CFR Ch. I (7–1–10 Edition)
Subpart H—Flotation Requirements
for Outboard Boats Rated for
Engines of 2 Horsepower or
Less
SOURCE: CGD 75–168, 42 FR 20245, Apr. 18,
1977, unless otherwise noted.
GENERAL
§ 183.301 Applicability.
(a) This subpart applies to monohull
outboard boats that are:
(1) Less than 20 feet in length; and
(2) Rated for manual propulsion or
outboard engines of 2 horsepower or
less.
(b) This subpart does not apply to
sailboats, canoes, kayaks, inflatable
boats, submersibles, surface effect vessels, amphibious vessels, and raceboats.
[CGD 75–168, 42 FR 20245, Apr. 18, 1977, as
amended by USCG–1999–5832, 64 FR 34716,
June 29, 1999]
erowe on DSK5CLS3C1PROD with CFR
§ 183.302 Flotation requirements.
Each boat to which this subpart applies must be manufactured, constructed, or assembled to pass the stability and flotation tests prescribed in
§§ 183.325(a), 183.330(a), and 183.335(a).
§ 183.305 Passenger carrying area.
(a) For the purpose of this section, a
boat is level when it is supported on its
keel at the two points shown in Figure
2.
(b) As used in this subpart, the term
‘‘passenger carrying area’’ means each
area in a boat in which persons can sit
in a normal sitting position or stand
while the boat is in operation. Passenger carrying areas are illustrated in
Figures 3 through 8.
(c) The length of each passenger carrying area is the distance along the
centerline of the boat between two
vertical lines, one at the forward end
and one at the aft end of the passenger
carrying area, when the boat is level,
as illustrated in Figures 3 and 4. For
boats with a curved stem inside the
passenger carrying area, the forward
vertical line is where a line 45 degrees
to the horizontal when the boat is level
is tangent to the curve of the stem, as
illustrated in Figure 5. For boats with
cabins, the forward vertical line is
where there is a minimum distance of
two feet between the inside top of the
cabin and the water line formed when
the boat is swamped and loaded with
weights under § 183.320 as illustrated in
Figure 6.
(d) The breadth of the passenger carrying area is the distance beteen two
vertical lines at the mid-length, excluding consoles, of the passenger carrying area when the boat is level as illustrated in Figures 7 and 8. For boats
with round chines inside the passenger
carrying area, the vertical line is
where a transverse line 45 degrees to
the horizontal is tangent to the arc of
the chine, as illustrated in Figure 7.
[CGD 75–168, 42 FR 20245, Apr. 18, 1977; 42 FR
24738, May 16, 1977]
§ 183.310
Reference areas.
(a) The forward reference area of a
boat is the forwardmost 2 feet of the
top surface of the hull or deck as illustrated in Figure 9.
(b) The aft reference area of a boat is
the aftmost two feet of the top surface
of the hull or deck, as illustrated in
Figure 9.
§ 183.315
Reference depth.
Reference depth is the minimum distance between the uppermost surface of
the submerged reference area of a boat
and the surface of the water measured
at the centerline of the boat, as illustrated in Figure 10. If there is no deck
surface at the centerline of the boat
from which a measurement can be
made, the reference depth is the average of two depth measurements made
on opposite sides of, and at an equal
distance from, the centerline of the
boat.
§ 183.320
Preconditioning for tests.
A boat must meet the following conditions for at least 18 hours before the
tests required by §§ 183.325, 183.330, and
183.335:
(a) Manufacturer supplied permanent
appurtenances such as windshields, and
convertible tops must be installed on
the boat.
(b) The boat must be loaded with a
quantity of weight that, when submerged, is equal to the sum of the following:
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Coast Guard, DHS
§ 183.330
(1) Two-fifteenths of the persons capacity marked on the boat.
(2) Twenty-five percent of the result
of the following calculation, but not
less than zero: the maximum weight
capacity marked on the boat; less the
weight shown in column 6 of Table 4 for
the maximum horsepower marked on
the boat; less the persons capacity
marked on the boat.
(c) The weights required by paragraph (b) of this section are placed in
the boat so that the center of gravity
of each amount of weight required by
paragraphs (b)(1) and (b)(2) of this section is within the shaded area illustrated in Figure 11. The location and
dimensions of the shaded area are as
follows:
(1) The shaded area is centered at the
mid-length of the passenger carrying
area and at the mid-breadth of the
boat;
(2) The length of the shaded area,
measured along the centerline of the
boat, is equal to 40 percent of the
length of the passenger carrying area
of the boat; and
(3) The breadth of the shaded area,
measured at the mid-length of the passenger carrying area, is equal to 40 percent of the breadth of the passenger
carrying area of the boat.
(d) Weight must be placed in the normal operating position of the motor
and controls in lieu of this equipment.
The quantity of weight used for this
purpose depends upon the maximum
rated horsepower of the boat being
tested and is specified in Column 2 of
Table 4 for the swamped weight of the
motor and controls.
(e) Permanent fuel tanks must be
filled with fuel and each external opening into the fuel tank must be sealed.
(f) The boat must be keel down in the
water.
(g) The boat must be swamped, allowing water to flow between the inside
and the outside of the boat, either over
the sides, through a hull opening, or
both. Entrapped air in the flooded portion of the boat must be eliminated.
erowe on DSK5CLS3C1PROD with CFR
§ 183.322
Flotation materials.
(a) Flotation materials must meet
the requirements in § 183.114 as listed in
Table 183.114 when used in the bilge,
unless located in a sealed compartment.
[CGD 77–145, 43 FR 56859, Dec. 4, 1978; 44 FR
47934, Aug. 16, 1979]
TESTS
§ 183.325 Flotation test for persons capacity.
Flotation standard. When the conditions prescribed in § 183.320 are met, the
boat must float in fresh, calm water as
follows:
(a) The angle of heel does not exceed
10 degrees from the horizontal.
(b) Any point on either the forward
or aft reference area is above the surface of the water.
(c) The reference depth at the reference area that is opposite the reference area that is above the surface of
the water is 6 inches or less.
§ 183.330 Stability test.
(a) Flotation standard. When the conditions prescribed in § 183.320 (a), (d)
through (g) and paragraphs (b) and (c)
of this section are met, the boat must
float in fresh, calm water as follows:
(1) The angle of heel does not exceed
30 degrees from the horizontal.
(2) Any point on either the forward or
aft reference area is above the surface
of the water.
(3) The reference depth at the reference area that is opposite the reference area that is above the surface of
the water is 12 inches or less.
(b) Quantity of weight used. Load the
boat with quantity of weight that,
when submerged, is equal to the sum of
the following:
(1) One-half the quantity of weight
required by § 183.320(b)(1).
(2) The quantity of weight required
by § 183.320(b)(2).
(c) Placement of quantity of weight:
starboard side. Place the quantity of
weight required by paragraph (b) of
this section in the boat so that:
(1) The quantity of weight required
by § 183.320(b)(2) is positioned in accordance with § 183.320(c); and
(2) One-half the quantity of weight
required by § 183.320(b)(1) is uniformly
distributed over a distance along the
outboard perimeter of the starboard
side of the passenger carrying area
that is equal to at least 30 percent of
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§ 183.335
33 CFR Ch. I (7–1–10 Edition)
(d) Placement of quantity of weight:
port side. The quantity of weight required by paragraph (b)(1) of this section is placed along the port side of the
passenger carrying area in accordance
with the conditions prescribed in paragraph (c)(2) of this section.
the length of the passenger carrying
area so that the center of gravity of
the quantity of weight is located within the shaded area illustrated in Figure
12, the center of gravity of the amount
of weight placed on the floor of the
boat is at least 4 inches above the floor
and the center of gravity of the
amount of weight placed on a seat is at
least 4 inches above the seat. The location and dimensions of the shaded area
are as follows:
(i) The shaded area is centered at the
mid-length of the passenger carrying
area;
(ii) The length of the shaded area is
equal to 70 percent of the length of the
passenger carrying area; and
(iii) The breadth of the shaded area is
6 inches from:
(a) For weights placed on the floor,
the outboard perimeter of the passenger carrying area; and
(b) For weights placed on a seat, a
vertical line inside the passenger carrying area as illustrated in Figure 13.
§ 183.335 Level flotation test without
weights for persons capacity.
When the conditions prescribed in
§ 183.320 (a) and (d) through (g) are met,
the boat must float in fresh, calm
water as follows:
(a) The angle of heel does not exceed
10 degrees from the horizontal.
(b) Any point on either the forward
or aft reference area is above the surface of the water.
(c) The reference depth at the reference area that is opposite the reference area that is above the surface of
the water is 6 inches or less.
[CGD 75–168, 42 FR 20245, Apr. 18, 1977, as
amended by USCG–1999–5832, 64 FR 34716,
June 29, 1999]
TABLE 4 TO SUBPART H OF PART 183—WEIGHTS (POUNDS) OF OUTBOARD MOTOR AND
RELATED EQUIPMENT FOR VARIOUS BOAT HORSEPOWER RATINGS
Motor and control weight
Battery weight
Boat horsepower rating
Dry
Swamped
Dry
Submerged
Full portable
fuel tank
weight
1+3+5
6
Column No.
1
0.1 to 2 ......................................................
2.1 to 3.9 ...................................................
4.0 to 7 ......................................................
7.1 to 15 ....................................................
15.1 to 25 ..................................................
25.1 to 45 ..................................................
45.1 to 60 ..................................................
60.1 to 80 ..................................................
80.1 to 145 ................................................
145.1 to 275 ..............................................
275.1 and up .............................................
2
3
4
5
25
40
60
90
125
170
235
280
405
430
605
20
34
52
82
105
143
195
235
352
380
538
....................
....................
....................
20
45
45
45
45
45
45
45
....................
....................
....................
11
25
25
25
25
25
25
25
....................
....................
25
50
50
100
100
100
100
100
100
25
40
35
160
220
315
380
425
550
575
750
340
470
560
810
860
1210
286
390
470
704
760
1076
90
90
90
90
90
90
50
50
50
50
50
50
100
100
100
100
100
100
530
660
750
1000
1050
1400
TRANSOMS DESIGNED FOR TWIN MOTORS
50.1 to 90 ..................................................
90.1 to 120 ................................................
120.1 to 160 ..............................................
160.1 to 290 ..............................................
290.1 to 550 ..............................................
550.1 and up .............................................
erowe on DSK5CLS3C1PROD with CFR
[CGD 83–012, 49 FR 39328, Oct. 5, 1984]
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Coast Guard, DHS
§ 183.401
FIGURES TO SUBPART H OF PART 183
GENERAL
Subpart I—Electrical Systems
§ 183.401 Purpose,
effective dates.
applicability,
and
(a) This subpart applies to all boats
that have gasoline engines, except outboard engines, for electrical generation, mechanical power, or propulsion.
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EC18OC91.022
erowe on DSK5CLS3C1PROD with CFR
SOURCE: CGD 73–217, 42 FR 5944, Jan. 31,
1977, unless otherwise noted.
§ 183.402
33 CFR Ch. I (7–1–10 Edition)
(b) [Reserved]
[CGD 73–217, 42 FR 5944, Jan. 31, 1977, as
amended by CGD 81–092, 48 FR 55736, Dec. 15,
1983; USCG–1999–5832, 64 FR 34716, June 29,
1999]
§ 183.402 Definitions.
As used in this subpart—
AWG means American Wire Gauge.
Electrical component means electrical
equipment such as, but not limited to,
conductors, solenoids, motors, generators, alternators, distributors, resistors, appliances and electrical control
devices.
Pigtails means external power conductors or wires that are part of electrical components and appliances, such
as bilge pumps, blowers, lamps, switches, solenoids, and fuses.
Sheath means a material used as a
continuous protective covering, such as
electrical tape, molded rubber, molded
plastic, or flexible tubing, around one
or more insulated conductors.
[CGD 73–217, 42 FR 5944, Jan. 31, 1977, as
amended by CGD 85–098, 52 FR 19728, May 27,
1987; CGD 96–026, 61 FR 33670, June 28, 1996]
§ 183.405 General.
Each electrical component on a boat
to which this subpart applies must
meet the requirements of this subpart
unless the component is part of an outboard engine or part of portable equipment.
erowe on DSK5CLS3C1PROD with CFR
MANUFACTURER REQUIREMENTS
§ 183.410 Ignition protection.
(a) Each electrical component must
not ignite a propane gas and air mixture that is 4.25 to 5.25 percent propane
gas by volume surrounding the electrical component when it is operated at
each of its manufacturer rated voltages
and current loadings, unless it is isolated from gasoline fuel sources, such
as engines, and valves, connections, or
other fittings in vent lines, fill lines,
distribution lines or on fuel tanks, in
accordance with paragraph (b) of this
section.
(b) An electrical component is isolated from a gasoline fuel source if:
(1) A bulkhead that meets the requirements of paragraph (c) of this section is between the electrical component and the gasoline fuel source;
(2) The electrical component is:
(i) Lower than the gasoline fuel
source and a means is provided to prevent fuel and fuel vapors that may leak
from the gasoline fuel source from becoming exposed to the electrical component; or
(ii) Higher than the gasoline fuel
source and a deck or other enclosure is
between it and the gasoline fuel source;
or
(3) The space between the electrical
component and the gasoline fuel source
is at least two feet and the space is
open to the atmosphere.
(c) Each bulkhead required by paragraph (b)(1) of this section must:
(1) Separate the electrical component
from the gasoline fuel source and extend both vertically and horizontally
the distance of the open space between
the fuel source and the ignition source;
(2) Resist a water level that is 12
inches high or one-third of the maximum height of the bulkhead, whichever is less, without seepage of more
than one-quarter fluid ounce of fresh
water per hour; and
(3) Have no opening located higher
than 12 inches or one-third the maximum height of the bulkhead, whichever is less, unless the opening is used
for the passage of conductors, piping,
ventilation ducts, mechanical equipment, and similar items, or doors,
hatches, and access panels, and the
maximum annular space around each
item or door, hatch or access panel
must not be more than one-quarter
inch.
§ 183.415 Grounding.
If a boat has more than one gasoline
engine, grounded cranking motor circuits must be connected to each other
by a common conductor circuit that
can carry the starting current of each
of the grounded cranking motor circuits.
§ 183.420 Batteries.
(a) Each installed battery must not
move more than one inch in any direction when a pulling force of 90 pounds
or twice the battery weight, whichever
is less, is applied through the center of
gravity of the battery as follows:
(1) Vertically for a duration of one
minute.
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Coast Guard, DHS
§ 183.425
(2) Horizontally and parallel to the
boat’s center line for a duration of one
minute fore and one minute aft.
(3) Horizontally and perpendicular to
the boat’s center line for a duration of
one minute to starboard and one
minute to port.
(b) Each battery must be installed so
that metallic objects cannot come in
contact with the ungrounded battery
terminals.
(c) Each metallic fuel line and fuel
system component within 12 inches and
above the horizontal plane of the battery top surface as installed must be
shielded with dielectric material.
(d) Each battery must not be directly
above or below a fuel tank, fuel filter,
or fitting in a fuel line.
(e) A vent system or other means
must be provided to permit the discharge from the boat of hydrogen gas
released by the battery.
(f) [Reserved]
(g) Each battery terminal connector
must not depend on spring tension for
its mechanical connection to the terminal.
§ 183.425 Conductors: General.
(a) Each conductor must be insulated, stranded copper.
(b) Except for intermittent surges
each conductor must not carry a current greater than that specified in
Table 5 for the conductor’s gauge and
temperature rating.
(c) For conductors in engine spaces,
amperages must be corrected by the
appropriate correction factor in note 1
of Table 5.
(d) Each conductor in a multiconductor sheath must be at least a No. 18
AWG conductor.
(e) Each conductor installed separately must be at least a No. 16 AWG
conductor.
(f) Each No. 18 AWG conductor in a
multiconductor sheath may not extend
out of the sheath more than 30 inches.
(g) This section does not apply to
communications systems; electronic
navigation equipment; electronic circuits having a current flow of less than
one ampere; conductors which are totally inside an equipment housing; resistance conductors that control circuit amperage; high voltage secondary
conductors and terminations that are
in ignition systems; pigtails of less
than seven inches of exposed length
and cranking motor conductors.
[CGD 73–217, 42 FR 5944, Jan. 31, 1977, as
amended by CGD 81–092, 48 FR 55736, Dec. 15,
1983]
TABLE 5—ALLOWABLE AMPERAGE OF CONDUCTORS
Temperature rating of conductor insulation
Conductor size (AWG)
60 °C (140
°F)
75 °C
(167 °F)
80 °C
(176 °F)
90 °C
(194 °F)
105 °C
(221 °F)
125 °C
(257 °F)
10
15
20
25
40
55
80
105
120
140
165
195
225
260
300
10
15
20
25
40
65
95
125
145
170
195
230
265
310
360
15
20
25
35
50
70
100
130
150
175
210
245
285
330
385
20
25
30
40
55
70
100
135
155
180
210
245
285
330
385
20
25
35
45
60
80
120
160
180
210
245
285
330
385
445
25
30
40
50
70
90
125
170
195
225
265
305
355
410
475
25
35
45
55
70
100
135
180
210
240
280
325
370
430
510
80 °C
(176 °F)
0.78
90 °C
(194 °F)
0.82
105 °C
(221 °F)
0.85
125 °C
(257 °F)
0.89
200 °C
(392 °F)
1.00
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220131
18 ....................................................................
16 ....................................................................
14 ....................................................................
12 ....................................................................
10 ....................................................................
8 ......................................................................
6 ......................................................................
4 ......................................................................
3 ......................................................................
2 ......................................................................
1 ......................................................................
0 ......................................................................
00 ....................................................................
000 ..................................................................
0000 ................................................................
200 °C
(392 °F)
NOTES
erowe on DSK5CLS3C1PROD with CFR
1. See the following table:
Temperature rating of conductor .............
2. See the following table:
60 °C
(140 °F)
0.58
Correction
factor
Number of current carrying conductors:
3 ........................................................
75 °C
(167 °F)
0.75
0.70
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§ 183.430
33 CFR Ch. I (7–1–10 Edition)
TABLE 5—ALLOWABLE AMPERAGE OF CONDUCTORS—Continued
Temperature rating of conductor insulation
Conductor size (AWG)
60 °C (140
°F)
4 to 6 ................................................
7 to 24 ..............................................
25 and above ....................................
75 °C
(167 °F)
80 °C
(176 °F)
90 °C
(194 °F)
105 °C
(221 °F)
125 °C
(257 °F)
200 °C
(392 °F)
.60
.50
.40
[CGD 73–217, 42 FR 5944, Jan. 31, 1977; 42 FR 24739, May 16, 1977, as amended by CGD 81–092,
48 FR 55736, Dec. 15, 1983]
§ 183.430 Conductors in circuits of less
than 50 volts.
(a) Each conductor in a circuit that
has a nominal voltage of less than 50
volts must:
(1) Meet the requirements of § 183.435;
or
(2) Meet:
(i) The insulating material temperature rating requirements of SAE
Standard J378; and
(ii) SAE Standard J1127, or SAE
Standard 1128.
(b) This section does not apply to
communication systems; electronic
navigation equipment; resistance conductors that control circuit amperage;
and pigtails of less than seven inches of
exposed length.
erowe on DSK5CLS3C1PROD with CFR
[CGD 73–217, 42 FR 5944, Jan. 31, 1977, as
amended by CGD 87–009, 53 FR 36971, Sept. 23,
1988]
§ 183.435 Conductors in circuits of 50
volts or more.
(a) Each conductor in a circuit that
has a nominal voltage of 50 volts or
more must be:
(1) A conductor that has insulation
listed and classified moisture resistant
and flame retardant in Article 310,
NFPA No. 70, National Electric Code;
(2) A flexible cord type SO, STO, ST,
SJO, SJT, or SJTO listed in Article
400, NFPA No. 70, National Electric
Code;
(3) A conductor that meets IEEE
Standard 45.
(4) A conductor that meets UL Standard 1426.
(b) Where the nominal circuit voltage
of each of three or more current carrying conductors in a duct, bundle, or
cable is 50 volts or more, the amperages of each of those conductors must
not exceed the value in table 5 multi-
plied by the correction factor in note 2
to Table 5 for the number of conductors
that carry 50 volts or more.
(c) This section does not apply to
communication systems; electronic
navigation equipment; resistance conductors that control circuit amperage;
conductors in secondary circuits of ignition systems; and pigtails of less
than seven inches of exposed length.
[CGD 73–217, 42 FR 5944, Jan. 31, 1977; 42 FR
24739, May 16, 1977, as amended by CGD 80–047
and CGD 80–046, 45 FR 85450, Dec. 29, 1980;
CGD 87–009, 53 FR 36972, Sept. 23, 1988]
§ 183.440 Secondary circuits of ignition
systems.
(a) Each conductor in a secondary
circuit of an ignition system must
meet SAE Standard J557.
(b) The connection of each ignition
conductor to a spark plug, coil, or distributor must have a tight fitting cap,
boot, or nipple.
[CGD 73–217, 42 FR 5944, Jan. 31, 1977, as
amended by USCG–1999–5832, 64 FR 34716,
June 29, 1999]
§ 183.445 Conductors: Protection.
(a) Each conductor or group of conductors that passes through a bulkhead, structural member, junction box,
or other rigid surface must be protected from abrasion.
(b) Each ungrounded terminal or stud
that is continuously energized must
meet § 183.455 or must have a boot, nipple, cap, cover, or shield that prevents
accidental short-circuiting at the terminals or studs.
[CGD 81–092, 48 FR 55736, Dec. 15, 1983]
§ 183.455 Overcurrent protection: General.
(a) Each ungrounded current-carrying conductor must be protected by a
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Coast Guard, DHS
§ 183.505
manually reset, tripfree circuit breaker or fuse.
(b) A manually reset, trip-free circuit
breaker or fuse must be placed at the
source of power for each circuit or conductor except:
(1) If it is physically impractical to
place the circuit breaker or fuse at the
source of power, it may be placed within seven inches of the source of power
for each circuit or conductor measured
along the conductor.
(2) If it is physically impractical to
place the circuit breaker or fuse at or
within seven inches of the source of
power, it may be placed within 40
inches of the source of power for each
circuit or conductor, measured along
the conductor, if the conductor is contained throughout its entire distance
between the source of power and the required circuit breaker or fuse in a
sheath or enclosure such as a junction
box, control box, or enclosed panel.
(c) The current rating of each circuit
breaker or fuse must not exceed:
(1) For circuits of less than 50 volts,
150% of the value of the amperage in
Table 5 for the conductor size it is protecting; and
(2) For circuits of 50 volts or more,
the value of the amperage in Table 5
for the conductor size it is protecting.
If this value does not correspond to a
standard size or rated circuit breaker
or fuse the next larger size or rated circuit breaker or fuse may be used if it
does not exceed 150% of the allowed
current capacity of the conductor.
(d) The voltage rating of each circuit
breaker or fuse must not be less than
the nominal circuit voltage of the circuit it is protecting.
(e) This section does not apply to resistance conductors that control circuit amperage; conductors in secondary circuits of ignition systems;
pigtails of less than seven inches of exposed length; and power supply conductors in cranking motor circuits.
erowe on DSK5CLS3C1PROD with CFR
[CGD 73–217, 42 FR 5944, Jan. 31, 1977, as
amended by CGD 78–090, 44 FR 68466, Nov. 29,
1979]
§ 183.460 Overcurrent protection: Special applications.
(a) Each ungrounded output conductor from a storage battery must
have a manually reset, trip-free circuit
breaker or fuse, unless the output conductor is in the main power feed circuit
from the battery to an engine cranking
motor. The circuit breaker or fuse
must be within 72 inches of the battery
measured along the conductor, unless,
for boats built prior to August 1, 1985,
the circuit has a switch that disconnects the battery.
(b) Each ungrounded output conductor from an alternator or generator,
except for self-limiting alternators or
generators, must have a circuit breaker or fuse that has a current rating
that does not exceed 120 percent of the
maximum rated current of the alternator or generator at 60 °C.
[CGD 73–217, 42 FR 5944, Jan. 31, 1977, as
amended by CGD 81–092, 48 FR 55736, Dec. 15,
1983]
Subpart J—Fuel Systems
SOURCE: CGD 74–209, 42 FR 5950, Jan. 31,
1977, unless otherwise noted.
GENERAL
§ 183.501
Applicability.
(a) This subpart applies to all boats
that have gasoline engines, except outboard engines, for electrical generation, mechanical power, or propulsion.
(b) [Reserved]
[CGD 74–209, 42 FR 5950, Jan. 31, 1977, as
amended by CGD 81–092, 48 FR 55736, Dec. 15,
1983; USCG–1999–5832, 64 FR 34716, June 29,
1999]
§ 183.505
Definitions.
As used in this subpart:
Flame arrestor means a device or assembly that prevents passage of flame
through a fuel vent.
Fuel system means the entire assembly of the fuel fill, vent, tank, and distribution
components,
including
pumps, valves, strainers, carburetors,
and filters.
Static floating position means the attitude in which a boat floats in calm
water, with each fuel tank filled to its
rated capacity, but with no person or
item of portable equipment on board.
[CGD 74–209, 42 FR 5950, Jan. 31, 1977, as
amended by CGD 85–098, 52 FR 19728, May 27,
1987]
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§ 183.507
33 CFR Ch. I (7–1–10 Edition)
§ 183.507 General.
Each fuel system component on a
boat to which this subpart applies
must meet the requirements of this
subpart unless the component is part of
an outboard engine or is part of portable equipment.
EQUIPMENT STANDARDS
§ 183.510 Fuel tanks.
(a) Each fuel tank in a boat must
have been tested by its manufacturer
under § 183.580 and not leak when subjected to the pressure marked on the
tank label under § 183.514(b)(5).
(b) Each fuel tank must not leak if
subjected to the fire test under
§ 183.590. Leakage is determined by the
static pressure test under § 183.580, except that the test pressure must be at
least one-fourth PSIG.
(c) Each fuel tank of less than 25 gallons capacity must not leak if tested
under § 183.584.
(d) Each fuel tank with a capacity of
25 to 199 gallons must not leak if tested
under § 183.586.
(e) Each fuel tank of 200 gallons capacity or more must not leak if tested
under §§ 183.586 and 183.588.
[CGD 74–209, 42 FR 5950, Jan. 31, 1977, as
amended by CGD 81–092, 48 FR 55736, Dec. 15,
1983]
§ 183.512 Fuel tanks: Prohibited materials.
(a) A fuel tank must not be constructed from terneplate.
(b) Unless it has an inorganic sacrificial galvanic coating on the inside and
outside of the tank, a fuel tank must
not be constructed from black iron or
carbon steel.
(c) A fuel tank encased in cellular
plastic or in fiber reinforced plastic
must not be constructed from a ferrous
alloy.
erowe on DSK5CLS3C1PROD with CFR
[CGD 74–209, 42 FR 5950, Jan. 31, 1977; 42 FR
24739, May 16, 1977]
§ 183.514 Fuel tanks: Labels.
(a) Each fuel tank must have a label
that meets the requirements of paragraphs (b) through (d) of this section.
(b) Each label required by paragraph
(a) of this section must contain the following information:
(1) Fuel tank manufacturer’s name
(or logo) and address.
(2) Month (or lot number) and year of
manufacture.
(3) Capacity in U.S. gallons.
(4) Material of construction.
(5) The pressure the tank is designed
to withstand without leaking.
(6) Model number, if applicable.
(7) The statement, ‘‘This tank has
been tested under 33 CFR 183.510(a).’’
(8) If the tank is tested under § 183.584
at less than 25g vertical accelerations
the statement, ‘‘Must be installed aft
of the boat’s half length.’’
(c) Each letter and each number on a
label must:
(1) Be at least 1⁄16 inch high and
(2) Contrast with the basic color of
the label or be embossed on the label.
(d) Each label must:
(1) Withstand the combined effects of
exposure to water, oil, salt spray, direct sunlight, heat, cold, and wear expected in normal operation of the boat,
without loss of legibility; and
(2) Resist efforts to remove or alter
the information on the label without
leaving some obvious sign of such efforts.
[CGD 74–209, 42 FR 5950, Jan. 31, 1977, as
amended by CGD 81–092, 48 FR 55737, Dec. 15,
1983; USCG–1999–5832, 64 FR 34716, June 29,
1999]
§ 183.516 Cellular plastic used to encase fuel tanks.
(a) Cellular plastic used to encase
metallic fuel tanks must:
(1) Not change volume by more than
five percent or dissolve after being immersed in any of the following liquids
for 24 hours at 29 °C:
(i) Reference fuel B ASTM D 471 (incorporated by reference, see § 183.5).
(ii) No. 2 reference oil of ASTM D 471
(incorporated by reference, see § 183.5).
(iii) Five percent solution of trisodium phosphate in water; and
(2) Not absorb more than 0.12 pound
of water per square foot of cut surface,
measure under Military Specification
MIL P–21929B.
(b) Non-polyurethane cellular plastic
used to encase metallic fuel tanks
must have a compressive strength of at
least 60 pounds per square inch at ten
percent deflection measured under
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Coast Guard, DHS
§ 183.530
ASTM D 1621 (incorporated by reference,
see
§ 183.5),
‘‘Compressive
Strength of Rigid Cellular Plastics’’.
(c) Polyurethane cellular plastic used
to encase metallic fuel tanks must
have a density of at least 2.0 pounds
per cubic foot, measured under ASTM
D 1622 (incorporated by reference, see
§ 183.5), ‘‘Apparent Density of Rigid Cellular Plastics.’’
[CGD 74–209, 42 FR 5950, Jan. 31,
amended by CGD 77–98, 42 FR 36253,
1977; CGD 81–092, 48 FR 55737, Dec.
USCG–2000–7223, 65 FR 40059, June 29,
§ 183.518
1977, as
July 14,
15, 1983;
2000]
Fuel tank openings.
Each opening into the fuel tank must
be at or above the topmost surface of
the tank.
§ 183.520
Fuel tank vent systems.
(a) Each fuel tank must have a vent
system that prevents pressure in the
tank from exceeding 80 percent of the
pressure marked on the tank label
under § 183.514(b)(5).
(b) Each vent must:
(1) Have a flame arrester that can be
cleaned unless the vent is itself a flame
arrestor; and
(2) Not allow a fuel overflow at the
rate of up to two gallons per minute to
enter the boat.
[CGD 74–209, 42 FR 5950, Jan. 31, 1977, as
amended by CGD 77–98, 42 FR 36253, July 14,
1977]
§ 183.524
Fuel pumps.
(a) Each diaphragm pump must not
leak fuel from the pump if the primary
diaphragm fails.
(b) Each electrically operated fuel
pump must not operate except when
the engine is operating or when the engine is started.
(c) If tested under § 183.590, each fuel
pump, as installed in the boat, must
not leak more than five ounces of fuel
in 21⁄2 minutes, inclusive of leaks from
fuel line, fuel filter and strainer.
erowe on DSK5CLS3C1PROD with CFR
[CGD 74–209, 42 FR 5950, Jan. 31, 1977, as
amended by CGD 77–98, 42 FR 36253, July 14,
1977]
§ 183.526
(b) Each carburetor must not leak
more than five cubic centimeters of
fuel in 30 seconds when:
(1) The float valve is open;
(2) The carburetor is at half throttle;
and
(3) The engine is cranked without
starting; or
(4) The fuel pump is delivering the
maximum pressure specified by its
manufacturer.
(c) Each updraft and horizontal draft
carburetor must have a device that:
(1) Collects and holds fuel that flows
out of the carburetor venturi section
toward the air intake;
(2) Prevents collected fuel from being
carried out of the carburetor assembly
by the shock wave of a backfire or by
reverse air flow; and
(3) Returns collected fuel to the engine induction system after the engine
starts,
[CGD 74–209, 42 FR 5950, Jan. 31, 1977, as
amended by CGD 77–98, 42 FR 36253, July 14,
1977]
§ 183.528
Fuel stop valves.
(a) Each electrically operated fuel
stop valve in a fuel line between the
fuel tank and the engine must:
(1) Open electrically only when the
ignition switch is on; and
(2) Operate manually.
(b) If tested in accordance with the
fire test under § 183.590, a fuel stop
valve installed in a fuel line system requiring metallic fuel lines or ‘‘USCG
Type A1’’ hose must not leak fuel.
[CGD 74–209, 42 FR 5950, Jan. 31, 1977, as
amended by CGD 85–098, 52 FR 19728, May 27,
1987]
§ 183.530 Spud, pipe, and hose fitting
configuration.
Except when used for a tank fill line,
each spud, pipe, or hose fitting used
with hose clamps must have:
(a) A bead;
(b) A flare; or
(c) A series of annular grooves or serrations no less than 0.015 inches deep,
except a continuous helical thread,
knurl, or groove.
[CGD 74–209, 42 FR 5950, Jan. 31, 1977, as
amended by USCG–1999–5832, 64 FR 34716,
June 29, 1999]
Carburetors.
(a) [Reserved]
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§ 183.532
33 CFR Ch. I (7–1–10 Edition)
§ 183.532 Clips,
straps,
and
hose
clamps.
(a) Each clip, strap, and hose clamp
must:
(1) Be made from a corrosion resistant material; and
(2) Not cut or abrade the fuel line.
(b) If tested in accordance with the
fire test under § 183.590, a hose clamp
installed on a fuel line system requiring metallic fuel lines or ‘‘USCG Type
A1’’ hose must not separate under a
one pound tensile force.
[CGD 74–209, 42 FR 5950, Jan. 31, 1977, as
amended by CGD 85–098, 52 FR 19728, May 27,
1987]
§ 183.534 Fuel filters and strainers.
If tested under § 183.590, each fuel filter and strainer, as installed in the
boat, must not leak more than five
ounces of fuel in 21⁄2 minutes inclusive
of leaks from the fuel pump and fuel
line.
[CGD 77–98, 42 FR 36253, July 14, 1977]
§ 183.536 Seals and gaskets in fuel filters and strainers.
(a) [Reserved]
(b) Each gasket and each sealed joint
in a fuel filter and strainer must not
leak when subjected for 24 hours to a
gasoline that has at least a 50 percent
aromatic content at the test pressure
marked on the fuel tank label.
[CGD 81–092, 48 FR 55737, Dec. 15, 1983]
erowe on DSK5CLS3C1PROD with CFR
§ 183.538 Metallic fuel line materials.
Each metallic fuel line connecting
the fuel tank with the fuel inlet connection on the engine must:
(a) Be made of seamless annealed
copper, nickel copper, or copper-nickel;
and
(b) Except for corrugated flexible fuel
line, have a minimum wall thickness of
0.029 inches.
§ 183.540 Hoses: Standards and markings.
(a) ‘‘USCG Type A1’’ hose means hose
that meets the performance requirements of:
(1) SAE Standard J1527DEC85, Class 1
and the fire test in § 183.590; or
(2) Underwriters’ Laboratories, Inc.
(UL) Standard 1114.
(b) ‘‘USCG Type A2’’ hose means hose
that meets the performance requirements of SAE Standard J1527DEC85,
Class 2 and the fire test in § 183.590;
(c) ‘‘USCG Type B1’’ hose means hose
that meets the performance requirements of SAE Standard J1527DEC85,
Class 1.
(d) ‘‘USCG Type B2’’ hose means hose
that meets the performance requirements of SAE Standard J1527DEC85,
Class 2.
NOTE: SAE Class 1 hose has a permeation
rating of 100 grams or less fuel loss per
square meter of interior surface in 24 hours.
SAE Class 2 hose has a permeation rating
of 300 grams or less fuel loss per square
meter of interior surface in 24 hours.
(e) Each ‘‘USCG Type A1,’’ ‘‘USCG
Type A2,’’ ‘‘USCG Type B1,’’ and
‘‘USCG Type B2’’ hose must be identified by the manufacturer by a marking
on the hose.
(f) Each marking must contain the
following information in English:
(1) The statement ‘‘USCG TYPE (insert A1 or A2 or B1 or B2).’’
(2) The year in which the hose was
manufactured.
(3) The manufacturer’s name or registered trademark.
(g) Each character must be block
capital letters and numerals that are
at least one eighth-inch high.
(h) Each marking must be permanent, legible, and on the outside of the
hose at intervals of 12 inches or less.
[CGD 85–098, 52 FR 19728, May 27, 1987]
§ 183.542
Fuel systems.
(a) Each fuel system in a boat must
have been tested by the boat manufacturer and not leak when subjected to
the greater of the following pressures:
(1) Three pounds per square inch; or
(2) One and one-half times the pressure created in the lowest part of the
fuel system when it is filled to the
level of overflow with fuel.
(b) The test pressure shall be obtained with air or inert gas.
[CGD 81–092, 48 FR 55737, Dec. 15, 1983]
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Coast Guard, DHS
§ 183.558
MANUFACTURER REQUIREMENTS
§ 183.550
§ 183.554 Fittings, joints, and connections.
Fuel tanks: Installation.
(a) Each fuel tank must not be integral with any boat structure or mounted on an engine.
(b) Each fuel tank must not move at
the mounting surface more than
onefourth inch in any direction.
(c) Each fuel tank must not support a
deck, bulkhead, or other structural
component.
(d) Water must drain from the top
surface of each metallic fuel tank when
the boat is in its static floating position.
(e) Each fuel tank support, chock, or
strap that is not integral with a metallic fuel tank must be insulated from
the tank surface by a nonmoisture absorbing material.
(f) Cellular plastic must not be the
sole support for a metallic fuel tank.
(g) If cellular plastic is the sole support of a non-metallic fuel tank, the
cellular plastic must meet the requirements of § 183.516 (b) or (c).
(h) Each fuel tank labeled under
§ 183.514(b)(8) for installation aft of the
boat’s half length must be installed
with its center of gravity aft of the
boat’s half length.
[CGD 74–209, 42 FR 5950, Jan. 31, 1977, as
amended by CGD 81–092, 48 FR 55737, Dec. 15,
1983; USCG–1999–5832, 64 FR 34716, June 29,
1999]
erowe on DSK5CLS3C1PROD with CFR
§ 183.552 Plastic encased fuel tanks:
Installation.
(a) Each fuel tank encased in cellular
plastic foam or in fiber reinforced plastic must have the connections, fittings,
and labels accessible for inspection and
maintenance.
(b) If a metallic fuel tank is encased
in cellular plastic or in fiber reinforced
plastic, water must not collect between
the plastic and the surface of the tank
or be held against the tank by capillary action.
(c) If the plastic is bonded to the surface of a metallic fuel tank, the adhesive strength of the metal to the plastic bond must exceed the cohesive
strength of the plastic.
Each fuel system fitting, joint, and
connection must be arranged so that it
can be reached for inspection, removal,
or maintenance without removal of
permanent boat structure.
§ 183.556
Plugs and fittings.
(a) A fuel system must not have a fitting for draining fuel.
(b) A plug used to service the fuel filter or strainer must have a tapered
pipethread or be a screw type fitted
with a locking device other than a split
lock washer.
§ 183.558
Hoses and connections.
(a) Each hose used between the fuel
pump and the carburetor must be
‘‘USCG Type A1’’ hose.
(b) Each hose used—
(1) For a vent line or fill line must
be:
(i) ‘‘USCG Type A1’’ or ‘‘USCG Type
A2’’; or
(ii) ‘‘USCG Type B1’’ or ‘‘USCG Type
B2’’ if no more than five ounces of fuel
is discharged in 21⁄2 minutes when:
(A) The hose is severed at the point
where maximum drainage of fuel would
occur,
(B) The boat is in its static floating
position, and
(C) The fuel system is filled to the
capacity market on the tank label
under § 183.514(b)(3).
(2) From the fuel tank to the fuel
inlet connection on the engine must be:
(i) ‘‘USCG Type A1’’; or
(ii) ‘‘USCG Type B1’’ if no more than
five ounces of fuel is discharged in 21⁄2
minutes when:
(A) The hose is severed at the point
where maximum drainage of fuel would
occur,
(B) The boat is in its static floating
position, and
(C) The fuel system is filled to the
capacity marked on the tank label
under § 183.514(b)(3).
(c) Each hose must be secured by:
(1) A swaged sleeve;
(2) A sleeve and threaded insert; or
(3) A hose clamp.
(d) The inside diameter of a hose
must not exceed the actual minor outside diameter of the connecting spud,
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§ 183.560
33 CFR Ch. I (7–1–10 Edition)
pipe, or fitting by more than the distance shown in Table 8.
TABLE 8
If minor outside diameter of
the connecting spud, pipe,
or fitting is—
Less than 3⁄8 in ......................
3⁄8 in. to 1 in ...........................
Greater than 1 in ...................
The inside diameter of the
hose must not exceed the
minor outside diameter of
the connecting spud, pipe,
or hose fitting by more
than the following distance:
0.020 in.
0.035 in.
0.065 in.
[CGD 74–209, 42 FR 5950, Jan. 31, 1977, as
amended by CGD 85–098, 52 FR 19728, May 27,
1987]
§ 183.560 Hose clamps: Installation.
Each hose clamp on a hose from the
fuel tank to the fuel inlet connection
on the engine, a hose between the fuel
pump and the carburetor, or a vent line
must:
(a) Be used with hose designed for
clamps;
(b) [Reserved]
(c) Be beyond the bead, flare, or over
the serrations of the mating spud, pipe,
or hose fitting; and
(d) Not depend solely on the spring
tension of the clamp for compressive
force.
[CGD 74–209, 42 FR 5950, Jan. 31, 1977, as
amended by CGD 81–092, 48 FR 55737, Dec. 15,
1983]
erowe on DSK5CLS3C1PROD with CFR
§ 183.562 Metallic fuel lines.
(a) Each metallic fuel line that is
mounted to the boat structure must be
connected to the engine by a flexible
fuel line.
(b) Each metallic fuel line must be
attached to the boat’s structure within
four inches of its connection to a flexible fuel line.
§ 183.564 Fuel tank fill system.
(a) Each fuel fill opening must be located so that a gasoline overflow of up
to five gallons per minute for at least
five seconds will not enter the boat
when the boat is in its static floating
position.
(b) Each hose in the tank fill system
must be secured to a pipe, spud, or hose
fitting by:
(1) A swaged sleeve;
(2) A sleeve and threaded insert; or
(3) Two adjacent metallic hose
clamps that do not depend solely on
the spring tension of the clamps for
compressive force.
(c) Each hose clamp in the tank fill
system must be used with a hose designed for clamps.
(d) Hose clamps used in the tank fill
system must:
(1) Have a minimum nominal band
width of at least one-half inch; and
(2) Be over the hose and the spud,
pipe, or hose fitting.
[CGD 74–209, 42 FR 5950, Jan. 31, 1977, as
amended by CGD 81–092, 48 FR 55737, Dec. 15,
1983]
§ 183.566 Fuel pumps: Placement.
Each fuel pump must be on the engine it serves or within 12 inches of the
engine, unless it is a fuel pump used to
transfer fuel between tanks.
§ 183.568 Anti-siphon protection.
Each fuel line from the fuel tank to
the fuel inlet connection on the carburetor must:
(a) Be above the level of the tank top;
or
(b) Have an anti-siphon device or an
electrically operated fuel stop valve:
(1) At the tank withdrawal fitting; or
(2) Installed so the line from the fuel
tank is above the top of the tank; or
(c) Provided that the fuel tank top is
below the level of the carburetor inlet,
be metallic fuel lines meeting the construction requirements of § 183.538 or
‘‘USCG Type A1’’ hose, with one or two
manual shutoff valves installed as follows:
(1) Directly at the fuel tank connection arranged to be readily accessible
for operation from outside of the compartment, and
(2) If the length of fuel line from the
tank outlet to the engine inlet is greater than 12 feet, a manual shutoff valve
shall be installed at the fuel inlet connection to the engine.
[CGD 74–209, 42 FR 5950, Jan. 31, 1977, as
amended by CGD 81–092, 48 FR 55737, Dec. 15,
1983; CGD 85–098, 52 FR 19729, May 27, 1987]
§ 183.570 Fuel filters and strainers: Installation.
Each fuel filter and strainer must be
supported on the engine or boat structure independent from its fuel line connections, unless the fuel filter or
strainer is inside a fuel tank.
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Coast Guard, DHS
§ 183.588
§ 183.572 Grounding.
Each metallic component of the fuel
fill system and fuel tank which is in
contact with fuel must be statically
grounded so that the resistance between the ground and each metallic
component of the fuel fill system and
fuel tank is less than 100 ohms.
at a rate of 80 cycles or less per
minute. The duration of the shock
pulse must be between 6 and 14 milliseconds.
(f) Perform the static pressure test
under § 183.580.
[CGD 74–209, 42 FR 5950, Jan. 31, 1977, as
amended by USCG–1999–5832, 64 FR 34716,
June 29, 1999]
TESTS
§ 183.580 Static pressure test for fuel
tanks.
A fuel tank is tested by performing
the following procedures in the following order:
(a) Fill the tank with air or inert gas
to the pressure marked on the tank
label under § 183.514(b)(5).
(b) Examine each tank fitting and
seam for leaks using a leak detection
method other than the pressure drop
method.
erowe on DSK5CLS3C1PROD with CFR
[CGD 74–209, 42 FR 5950, Jan. 31, 1977, as
amended by CGD 81–092, 48 FR 55737, Dec. 15,
1983]
§ 183.584 Shock test.
A fuel tank is tested by performing
the following procedures in the following order:
(a) Perform the static pressure test
under § 183.580.
(b) If the tank is non-metallic, fill it
to capacity with a gasoline that has at
least a 50 percent aromatic content.
Keep the fuel in the tank at 21 °C or
higher for 30 days prior to testing.
(c) Mount the tank to the platform of
an impact test machine.
(d) Fill the tank to capacity with
water.
(e) Apply one of the following accelerations within three inches of the center of the horizontal mounting surface
of the tank. The duration of each
vertical acceleration pulse is measured
at the base of the shock envelope.
(1) If the tank is not labeled under
§ 183.514(b)(8) for installation aft of the
half length of the boat, apply 1000 cycles of 25g vertical accelerations at a
rate of 80 cycles or less per minute. The
duration of the acceleration pulse must
be between 6 and 14 milliseconds.
(2) If the tank is manufactured for installation with its center of gravity aft
of the half length of the boat, apply
1000 cycles of 15g vertical accelerations
§ 183.586
Pressure impulse test.
A fuel tank is tested by performing
the following procedures in the following order:
(a) Perform the static pressure test
under § 183.580.
(b) If the tank is non-metallic, fill it
to capacity with a gasoline that has at
least a 50 percent aromatic content.
Keep the fuel in the tank at 21 °C or
higher for 30 days prior to testing.
(c) Mount the tank on a test platform.
(d) Fill the tank to capacity with
water.
(e) Cap and seal each opening in the
tank.
(f) Apply 25,000 cycles of pressure impulse at the rate of no more than 15 impulses per minute varying from zero to
three PSIG to zero inside the tank top
from a regulated source of air, inert
gas, or water.
(g) Perform the static pressure test
under § 183.580.
§ 183.588
Slosh test.
A fuel tank is tested by performing
the following procedures in the following order:
(a) Perform the static pressure test
under § 183.580.
(b) Perform the pressure impulse test
under § 183.586.
(c) Secure the tank to the platform of
a tank rocker assembly.
(d) Fill the tank to one-half capacity
with water.
(e) Cap and seal each opening in the
tank.
(f) Apply 500,000 cycles or rocking
motion 15 degrees to each side of the
tank centerline at the rate of 15 to 20
cycles a minute. The axis of rotation of
the rocker and fuel tank must be perpendicular to the centerline of the
tank length at a level six inches or less
above or below the tank’s bottom.
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§ 183.590
33 CFR Ch. I (7–1–10 Edition)
(g) Perform the static pressure test
under § 183.580.
Subpart K—Ventilation
[CGD 74–209, 42 FR 5950, Jan. 31, 1977, as
amended by USCG–1999–5832, 64 FR 34716,
June 29, 1999]
SOURCE: CGD 76–082, 44 FR 73027, Dec. 17,
1979, unless otherwise noted.
erowe on DSK5CLS3C1PROD with CFR
§ 183.590 Fire test.
(a) A piece of equipment is tested
under the following conditions and procedures:
(1) Fuel stop valves, ‘‘USCG Type A1’’
or USCG Type A2’’ hoses and hose
clamps are tested in a fire chamber.
(2) Fuel filters, strainers, and pumps
are tested in a fire chamber or as installed on the engine in the boat.
(3) Fuel tanks must be tested filled
with fuel to one-fourth the capacity
marked on the tank in a fire chamber
or in an actual or simulated hull section.
(b) Each fire test is conducted with
free burning heptane and the component must be subjected to a flame for
21⁄2 minutes.
(c) If the component is tested in a
fire chamber:
(1) The temperature within one inch
of the component must be at least 648
°C sometime during the 21⁄2 minute
test;
(2) The surface of the heptane must
be 8 to 10 inches below the component
being tested; and
(3) The heptane must be in a container that is large enough to permit
the perimeter of the top surface of the
heptane to extend beyond the vertical
projection of the perimeter of the component being tested.
(d) If the component is being tested
as installed on an engine, heptane sufficient to burn 21⁄2 minutes must be
poured over the component and allowed
to run into a flat bottomed pan under
the engine. The pan must be large
enough to permit the perimeter of the
top surface of the heptane to extend beyond the vertical projection of the perimeter of the engine.
(e) If a fuel tank is being tested in an
actual or simulated hull section, the
actual or simulated hull section must
be of sufficient size to contain enough
heptane to burn for 21⁄2 minutes in a
place adjacent to the tank.
[CGD 74–209, 42 FR 5950, Jan. 31, 1977, as
amended by CGD 77–98, 42 FR 36253, July 14,
1977; CGD 85–098, 52 FR 19729, May 27, 1987]
§ 183.601
Applicability.
This subpart applies to all boats that
have gasoline engines for electrical
generation, mechanical power, or propulsion.
[USCG–1999–5832, 64 FR 34716, June 29, 1999]
§ 183.605
Definitions.
As used in this subpart:
‘‘Fuel’’ means gasoline.
‘‘Open to the atmosphere’’ means a
compartment that has at least 15
square inches of open area directly exposed to the atmosphere for each cubic
foot of net compartment volume.
[CGD 76–082, 44 FR 73027, Dec. 17, 1979, as
amended by CGD 85–098, 52 FR 19729, May 27,
1987]
§ 183.607
Incorporation by reference.
(a) The following standards are incorporated by reference. Copies may be
obtained from the sources indicated.
They are also available for inspection
at Coast Guard Headquarters, 2100 2nd
St., SW., Stop 7000, Washington, DC
20593–7000 and at the National Archives
and Records Administration (NARA).
For information on the availability of
this material at NARA, call 202–741–
6030, or go to: http://www.archives.gov/
federallregister/
codeloflfederallregulations/
ibrllocations.html.
(1) AMCA Standard 210–74, Figure 12.
Air Moving and Conditioning Association, 30 West University Drive, Arlington Heights, Illinois 60004.
(2) ASTM Standard D 471. American
Society for Testing and Materials, 100
Barr
Harbor
Drive,
West
Conshohocken, PA 19428–2959.
(3) UL Standard 1128, Underwriters
Laboratories, Incorporated, 12 Laboratory Drive, Research Triangle Park,
NC 27709–3995.
(b) The Director of the Federal Register approved the incorporation by reference in paragraph (a)(2) on September 26, 1976 and the incorporations
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Coast Guard, DHS
§ 183.630
in paragraphs (a) (1) and (3) on March
24, 1978.
CHECK ENGINE COMPARTMENT BILGE
FOR GASOLINE VAPORS.
[CGD 76–082, 44 FR 73027, Dec. 17, 1979, as
amended by CGD 82–010, 48 FR 8273, Feb. 28,
1983; USCG–2000–7223, 65 FR 40059, June 29,
2000; 69 FR 18803, Apr. 9, 2004; USCG–2010–0351,
75 FR 36288, June 25, 2010]
§ 183.620
§ 183.610
Powered ventilation system.
(a) Each compartment in a boat that
has a permanently installed gasoline
engine with a cranking motor must:
(1) Be open to the atmosphere, or
(2) Be ventilated by an exhaust blower system.
(b) Each exhaust blower or combination of blowers must be rated at an air
flow capacity not less than that computed by the formulas given in Table
183.610, Column 2. Blower rating must
be determined according to AMCA
Standard 210–74, Figure 12, or UL
Standard 1128.
TABLE 183.610
Col. 1 1
Col. 2 2
Below 34 .....
34 to 100 .....
Over 100 .....
Fr=50 ........................
Fr=1.5V .....................
Fr=V/2+100 ...............
Col. 3 3
Fo=20
Fo=0.6V
Fo=0.2V+40
1 Net compartment volume of engine compartment and
compartments open thereto (V) cubic feet.
2 Rated blower capacity (Fr) cubic feet per minute.
3 Blower system output (Fo) cubic feet per minute.
erowe on DSK5CLS3C1PROD with CFR
(c) Each exhaust blower system required by paragraph (a)(2) of this section must exhaust air from the boat at
a rate which meets the requirements of
Table 183.610, Column 3 when the engine is not operating.
(d) Each intake duct for an exhaust
blower must be in the lower one-third
of the compartment and above the normal level of accumulated bilge water.
(e) More than one exhaust blower
may be used in combination to meet
the requirements of this section.
(f) Each boat that is required to have
an exhaust blower must have a label
that:
(1) Is located as close as practicable
to each ignition switch;
(2) Is in plain view of the operator;
and
(3) Has at least the following information:
WARNING—GASOLINE VAPORS CAN EXPLODE. BEFORE STARTING ENGINE OPERATE BLOWER FOR 4 MINUTES AND
Natural ventilation system.
(a) Except for compartments open to
the atmosphere, a natural ventilation
system that meets the requirements of
§ 183.630 must be provided for each compartment in a boat that:
(1) Contains a permanently installed
gasoline engine;
(2) Has openings between it and a
compartment that requires ventilation,
where the aggregate area of those
openings exceeds 2 percent of the area
between the compartments, except as
provided in paragraph (c) of this section;
(3) Contains a permanently installed
fuel tank and an electrical component
that is not ignition protected in accordance with § 183.410(a);
(4) Contains a fuel tank that vents
into that compartment; or
(5) Contains a non-metallic fuel tank:
(i) With an aggregate permeability
rate exceeding 1.2 grams of fuel loss in
24 hours per cubic foot of net compartment volume, or
(ii) If the net compartment volume is
less than one cubic foot, having a permeability rate exceeding 1.2 grams of
fuel loss in 24 hours.
NOTE: Reference fuel ‘‘C’’ at 40 degrees Celsius plus or minus 2 degrees Celsius from
ASTM standard D 471 (incorporated by reference, see § 183.5) is to be used in determining the permeability rate.
(b) Each supply opening required in
§ 183.630 must be located on the exterior
surface of the boat.
(c) An accommodation compartment
above a compartment requiring ventilation that is separated from the
compartment requiring ventilation by
a deck or other structure is excepted
from paragraph (a)(2) of this section.
[CGD 76–082, 44 FR 73027, Dec. 17, 1979, as
amended by CGD 76–082(a), 46 FR 27645, May
21, 1981; CGD 85–059, 51 FR 37577, Oct. 23, 1986;
USCG–1999–5832, 64 FR 34716, June 29, 1999;
USCG–1999–5151, 64 FR 67176, Dec. 1, 1999]
§ 183.630 Standards for natural ventilation.
(a) For the purpose of § 183.620, ‘‘natural ventilation’’ means an airflow in a
compartment in a boat achieved by
having:
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§ 183.701
33 CFR Ch. I (7–1–10 Edition)
(1) A supply opening or duct from the
atmosphere or from a ventilated compartment or from a compartment that
is open to the atmosphere; and
(2) An exhaust opening into another
ventilated compartment or an exhaust
duct to the atmosphere.
(b) Each exhaust opening or exhaust
duct must originate in the lower third
of the compartment.
(c) Each supply opening or supply
duct and each exhaust opening or exhaust duct in a compartment must be
above the normal accumulation of
bilge water.
(d) Except as provided in paragraph
(e) of this section, supply openings or
supply ducts and exhaust openings or
exhaust ducts must each have a minimum aggregate internal cross-sectional area calculated as follows:
A=5 ln (V/5);
where:
(1) A is the minimum aggregate internal
cross-sectional area of the openings or
ducts in square inches;
(2) V is the net compartment volume in cubic
feet, including the net volume of other
compartments connected by openings that
exceed 2 percent of the area between the
compartments; and
(3) ln (V/5) is the natural logarithm of the
quantity (V/5).
(e) The minimum internal cross-sectional area of each supply opening or
duct and exhaust opening or duct must
exceed 3.0 square inches.
(f) The minimum internal cross-sectional area of terminal fittings for
flexible ventilation ducts installed to
meet the requirements of paragraph (d)
of this section must not be less than 80
percent of the required internal crosssectional area of the flexible ventilation duct.
[CGD 76–082, 44 FR 73027, Dec. 17, 1979; 45 FR
7544, Feb. 4, 1980]
Subpart L—Start-in-Gear
Protection
erowe on DSK5CLS3C1PROD with CFR
SOURCE: CGD 79–137, 46 FR 3515, Jan. 15,
1981, unless otherwise noted.
§ 183.701
Applicability.
This subpart applies to outboard motors and starting controls, and to man-
ufacturers, distributors or dealers installing such equipment.
[USCG–1999–5832, 64 FR 34716, June 29, 1999]
§ 183.705 Definitions.
For the purposes of this subpart:
(a) Outboard motor means a self-contained propulsion system of any horsepower rating designed to be installed
on, and removable from the transom of
a boat.
(b) Static thrust means the forward or
backward thrust developed by an outboard motor and associated propulsion
unit while stationary.
(c) Starting control means the motor
throttle, shift and starting control
mechanisms located at a position remote from the outboard motor.
(d) Local starting means operating a
mechanical or electrical starting device built into the outboard motor.
(e) Distributor means any person engaged in the sale and distribution of
boats or associated equipment for the
purpose of resale.
(f) Dealer means any person who is
engaged in the sale and distribution of
boats or associated equipment to purchasers who the seller in good faith believes to be purchasing any such boat
or associated equipment for purposes
other than resale.
§ 183.710 Start-in-gear protection required.
(a) Any outboard motor which is capable of developing a static thrust of
115 pounds or more at any motor operating speed with any propeller or jet
attachment
recommended
for
or
shipped with the motor by the manufacturer, must be equipped with a device to prevent the motor being started
when controls are set so as to attain
that thrust level, as follows:
(1) Outboard motors designed for
local starting must have a built-in
start-in-gear protection device.
(2) Outboard motors designed for remote starting must have either a builtin start-in-gear protection device or be
installed with remote starting controls
containing this device. An outboard
motor designed for remote starting
that does not have a built-in start-ingear protection device must, at the
time of sale, have a tag or label attached at the location of the control
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Coast Guard, DHS
§ 183.810
connection, containing the following
information: ‘‘Starting controls installed with this motor must comply
with USCG requirements for start-ingear protection in 33 CFR Part 183,
Subpart L.’’ The letters and numbers
on the tag or label must be at least 1⁄8
inch high.
(b) Starting controls must have a tag
or label with the following information
to indicate whether or not they have
been equipped with a start-in-gear protection device: ‘‘This control will (or
will not) provide start-in-gear protection meeting USCG requirements of 33
CFR Part 183, Subpart L.’’ The letters
and numbers on the tag or label must
be at least 1⁄8 inch high.
(c) Any manufacturer, distributor or
dealer installing an outboard motor
displaying the label described in paragraph (a)(2) of this section must properly match it with a compatible starting control that contains a start-ingear protection device.
§ 183.715
Exception.
Outboard motors designed to be
equipped for remote starting, but
which also have a provision for local
starting in emergencies, need not comply with § 183.710 for their local starting system. However, the following information must be displayed on the
motor: ‘‘Warning—Ensure shift control
is in neutral before starting motor’’.
This information must be clearly visible to a person using the emergency
starting device.
Subpart M—Navigation Lights
SOURCE: USCG–1999–6580, 66 FR 55091, Nov.
1, 2001, unless otherwise noted.
§ 183.801
Applicability.
This subpart applies to recreational
vessel manufacturers, distributors, and
dealers installing such equipment in
new recreational vessels constructed
after November 1, 2002.
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§ 183.803
Definitions.
As used in this subpart:
Dealer means any person who is engaged in the sale and distribution of
recreational vessels to purchasers who
the seller in good faith believes to be
purchasing any such recreational vessel for purposes other than resale.
Distributor means any person engaged
in the sale and distribution of recreational vessels for the purpose of resale.
Manufacturer means any person engaged in:
(1) The manufacture, construction, or
assembly of recreational vessels, or
(2) The importation of recreational
vessels into the United States for subsequent sale.
Navigation lights are those lights prescribed by the Navigation Rules (Commandant Instruction 16672.2 series) to
indicate a vessel’s presence, type, operation, and relative heading.
§ 183.810 Navigation light certification
requirements.
(a) Except as provided by paragraph
(b) of this section, each navigation
light must—
(1) Meet the technical standards of
the applicable Navigation Rules;
(2) Be certified by a laboratory listed
by the Coast Guard to the standards of
ABYC A–16 (incorporated by reference,
see § 183.5) or equivalent, although
portable battery-powered lights need
only meet the requirements of the
standard applicable to them; and
(3) Bear a permanent and indelible
label that is visible without removing
or disassembling the light and that
states the following:
(i) ‘‘USCG Approval 33 CFR 183.810.’’
(ii) ‘‘MEETSlll.’’ (Insert the identification name or number of the
standard under paragraph (a)(2) of this
section, to which the laboratory typetested.)
(iii) ‘‘TESTED BYlll.’’ (Insert the
name or registered certification-mark
of the laboratory listed by the Coast
Guard that tested the fixture to the
standard under paragraph (a)(2) of this
section.)
(iv) Name of manufacturer.
(v) Number of model.
(vi) Visibility of the light in nautical
miles.
(vii) Date on which the light was
type-tested.
(viii) Identification and specifications of the bulb used in the compliance test.
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Pt. 187
33 CFR Ch. I (7–1–10 Edition)
(b) If a light is too small to attach
the required label—
(1) Place the information from the
label in or on the package that contains the light; and
(2) Mark each light ‘‘USCG’’ followed
by the certified range of visibility in
nautical miles (nm), for example,
‘‘USCG 2nm’’. Once installed, this
mark must be visible without removing
the light.
Subpart N [Reserved]
PARTS 184–186 [RESERVED]
PART 187—VESSEL IDENTIFICATION
SYSTEM
Subpart A—General
Sec.
187.1 Which States are affected by this part?
187.3 What vessels are affected by this part?
187.5 What are the purposes of this part?
187.7 What are the definitions of terms used
in this part?
187.9 What is a vessel identifier and how is
one assigned?
187.11 What are the procedures to participate in VIS?
187.13 What are the procedures for obtaining
certification of compliance with guidelines for State vessel titling systems?
187.15 When is a mortgage a preferred mortgage?
Subpart B—Information To Be Collected by
Participating States
187.101 What information must be collected
to identify a vessel owner?
187.103 What information must be collected
to identify a vessel?
187.105 What information on titled vessels
must be collected and what may be collected?
187.107 What information must be made
available to assist law enforcement officials and what information may be made
available?
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Subpart C—Requirements for Participating
in VIS
187.201 What are the compliance requirements for a participating State?
187.203 What are the voluntary provisions
for a participating State?
Subpart D—Guidelines for State Vessel
Titling Systems
187.301 What are the eligibility requirements for certification of a State titling
system to confer preferred mortgage status?
187.303 What terms must a State define?
187.304 What vessels must be titled?
187.305 What are the requirements for applying for a title?
187.307 What are dealer and manufacturer
provisions?
187.309 What are the requirements for transfer of title?
187.311 What are the application requirements for a certificate of title because of
a transfer by operation of law or order of
court?
187.313 Must a State honor a prior State
title, Coast Guard documentation, and
foreign registry?
187.315 What happens when a title is surrendered for the purposes of documentation?
187.317 What information must be on a certificate of title?
187.319 What are the requirements for applying for a redundant title?
187.321 What are the hull identification
number (HIN) provisions?
187.323 What are the procedures for perfection of security interests?
187.325 Is a State required to specify procedures for the assignment of a security interest?
187.327 What are a State’s responsibilities
concerning a discharge of security interests?
187.329 Who prescribes and provides the
forms to be used?
187.331 What information is to be retained
by a State?
APPENDIX A TO PART 187—PARTICIPATING AUTHORITIES
APPENDIX B TO PART 187—PARTICIPATING AND
CERTIFIED VESSEL TITLING AUTHORITIES
AUTHORITY: 46 U.S.C. 2103; 49 CFR 1.46.
SOURCE: 66 FR 15630, Mar. 20, 2001, unless
otherwise noted.
Subpart A—General
§ 187.1 Which States are affected by
this part?
States electing to participate in the
Vessel Identification System (VIS) are
affected by this part.
§ 187.3 What vessels are affected by
this part?
Only vessels numbered or titled by a
participating State are affected by this
part. Vessels documented under 46
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| File Type | application/pdf |
| File Modified | 2014-08-28 |
| File Created | 2014-08-28 |