1625-0083 Stat/Authority

33 CFR 164.70 (up to date as of 8/19/2024)
Definitions.

33 CFR 164.70 (Aug. 19, 2024)

This content is from the eCFR and is authoritative but unofficial.

Title 33 —Navigation and Navigable Waters
Chapter I —Coast Guard, Department of Homeland Security
Subchapter P —Ports and Waterways Safety
Part 164 —Navigation Safety Regulations
Authority: 46 U.S.C. 2103, 3703, 70034; E.O. 12234, 45 FR 58801, 3 CFR, 1980 Comp., p. 277. Sec. 164.13 also issued under 46
U.S.C. 8502. Sec. 164.46 also issued under 46 U.S.C. 70114 and Sec. 102 of Pub. L. 107-295. Sec. 164.61 also issued under
46 U.S.C. 6101. DHS Delegation No. 00170.1, Revision No. 01.3.

§ 164.70 Definitions.
For purposes of §§ 164.72 through 164.82, the term—
Current edition means the most recent published version of a publication, chart, or map required by § 164.72.
Currently corrected edition means a current or previous edition of a publication required by § 164.72, corrected
with changes that come from Notices to Mariners (NTMs) or Notices to Navigation reasonably available
and that apply to the vessel's transit. Hand-annotated river maps from the U.S. Army Corps of Engineers
(ACOE) are currently corrected editions if issued within the previous 5 years.
Great Lakes means the Great Lakes and their connecting and tributary waters including the Calumet River as far
as the Thomas J. O'Brien Lock and Controlling Works (between miles 326 and 327), the Chicago River as
far as the east side of the Ashland Avenue Bridge (between miles 321 and 322), and the Saint Lawrence
River as far east as the lower exit of Saint Lambert Lock.
Merchant mariner credential or MMC means the credential issued by the Coast Guard under 46 CFR part 10. It
combines the individual merchant mariner's document, license, and certificate of registry enumerated in
46 U.S.C. subtitle II part E as well as the STCW endorsement into a single credential that serves as the
mariner's qualification document, certificate of identification, and certificate of service.
Swing-meter means an electronic or electric device that indicates the rate of turn of the vessel on board which it
is installed.
Towing vessel means a commercial vessel engaged in or intending to engage in pulling, pushing or hauling
alongside, or any combination of pulling, pushing, or hauling alongside.
Western Rivers means the Mississippi River, its tributaries, South Pass, and Southwest Pass, to the navigationaldemarcation lines dividing the high seas from harbors, rivers, and other inland waters of the United States,
and the Port Allen-Morgan City Alternative Route, and that part of the Atchafalaya River above its junction
with the Port Allen-Morgan City Alternative Route including the Old River and the Red River and those
waters specified by §§ 89.25 and 89.27 of this chapter, and such other, similar waters as are designated
by the COTP.
[CGD 94-020, 61 FR 35072, July 3, 1996, as amended by USCG-2006-24371, 74 FR 11213, Mar. 16, 2009]

33 CFR 164.70 “Western Rivers” (enhanced display)

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