# 33 C.F.R. § 156.205 (2026): Definitions

> Federal · Regulations · In force

URL: https://www.frixlaw.com/law-library/statutes/CFR_T33_P156_S156_205

## Section

- **Citation:** 33 C.F.R. § 156.205 (2026)
- **Heading:** Definitions
- **Jurisdiction:** Federal
- **Kind:** Regulations
- **Status:** In force
- **Text as of:** August 14, 2026
- **Source:** Compiled text
- **Location:** Title 33 CFR: Navigation and Navigable Waters / Chapter I: COAST GUARD, DEPARTMENT OF HOMELAND SECURITY / Part 156: OIL AND HAZARDOUS MATERIAL TRANSFER OPERATIONS / Subpart B: Special Requirements for Lightering of Oil and Hazardous Material Cargoes / § 156.205: § 156.205   Definitions.

## Text

(a) In addition to the terms defined in this section, the definitions in § 154.105 of this chapter apply to this subpart and to subpart C.
(b) As used in this subpart and subpart C:
Lightering
or
Lightering operation
means the transfer of a cargo of oil in bulk from one oil tanker less than 150 gross tons to another oil tanker less than 150 gross tons, or a cargo of hazardous material in bulk from one vessel to another, including all phases of the operation from the beginning of the mooring operation to the departure of the service vessel from the vessel to be lightered, except when that cargo is intended only for use as fuel or lubricant aboard the receiving vessel.
Marine environment
means—
(1) The navigable waters of the United States;
(2) The waters of an area over which the United States asserts exclusive fishery management authority; and
(3) The waters superadjacent to the Outer Continental Shelf of the United States.
Service vessel
means the vessel which receives a cargo of oil or a hazardous material from another vessel in a lightering operation.
Vessel to be lightered
means the vessel which transports a cargo of oil or a hazardous material to a place within the marine environment for transfer of that cargo to another vessel for further transport to a port or place subject to the jurisdiction of the United States. The term “vessel to be lightered” does not include drilling rigs, or offshore supply vessels transferring cargo intended for use as fuel or lubricant aboard the receiving vessel.
Work
includes any administrative duties associated with the vessel whether performed on board the vessel or onshore.
[CGD 78-180, 49 FR 11172, Mar. 26, 1984, as amended by CGD 86-034, 55 FR 36256, Sept. 4, 1990; CGD 90-052, 58 FR 48436, Sept. 15, 1993; CGD 93-081, 60 FR 45017, Aug. 29, 1995; USCG-2010-0194, 80 FR 5935, Feb. 4, 2015]

## Nearby sections

- [33 C.F.R. § 156.200 (2026) § 156.200   Applicability.](https://www.frixlaw.com/law-library/statutes/CFR_T33_P156_S156_200.md)
- [33 C.F.R. § 156.205 (2026) § 156.205   Definitions.](https://www.frixlaw.com/law-library/statutes/CFR_T33_P156_S156_205.md)
- [33 C.F.R. § 156.210 (2026) § 156.210   General.](https://www.frixlaw.com/law-library/statutes/CFR_T33_P156_S156_210.md)
- [33 C.F.R. § 156.215 (2026) § 156.215   Pre-arrival notices.](https://www.frixlaw.com/law-library/statutes/CFR_T33_P156_S156_215.md)
- [33 C.F.R. § 156.220 (2026) § 156.220   Reporting of incidents.](https://www.frixlaw.com/law-library/statutes/CFR_T33_P156_S156_220.md)
- [33 C.F.R. § 156.225 (2026) § 156.225   Designation of lightering zones.](https://www.frixlaw.com/law-library/statutes/CFR_T33_P156_S156_225.md)
- [33 C.F.R. § 156.230 (2026) § 156.230   Factors considered in designating lightering zones.](https://www.frixlaw.com/law-library/statutes/CFR_T33_P156_S156_230.md)

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Source: Frix Law Library, https://www.frixlaw.com/law-library/statutes/CFR_T33_P156_S156_205. Check the current official text before relying on it. Not legal advice.