---
kind: "section"
citation: "33 C.F.R. § 168.05"
title: "33"
number: "168.05"
heading: "Definitions."
url: "https://uscodex.org/cfr/33/168.05"
---

# §168.05. Definitions.


As used in this part—

Disabled tanker means a tanker experiencing a loss of propulsion or steering control.

Double hull tanker means any self-propelled tank vessel that is constructed with both double bottom and double sides in accordance with the provisions of [33 CFR 157.10d](/cfr/33/157.10d.md).

Escort transit means that portion of the tanker's voyage through waters where escort vessels are required.

Escort vessel means any vessel that is assigned and dedicated to a tanker during the escort transit, and that is fendered and outfitted with towing gear as appropriate for its role in an emergency response to a disabled tanker.

Laden means transporting in bulk any quantity of applicable cargo, except for clingage and residue in otherwise empty cargo tanks.

Single hull tanker means any self-propelled tank vessel that is not constructed with both double bottom and double sides in accordance with the provisions of [33 CFR 157.10d](/cfr/33/157.10d.md).

Tanker master means the licensed onboard person in charge of the tanker.

Tanker owner or operator means the owner or shoreside organization (individual, corporation, partnership, or association), including a demise charterer, responsible for the overall management and operation of the tanker.


## Notes

### Amendments

[CGD 91-202, 59 FR 42968, Aug. 19, 1994, as amended by USCG-2012-0975, 78 FR 50340, Aug. 19, 2013]

### Authority

Authority: Section 4116(c), Pub. L. 101-380, 104 Stat. 520 (46 U.S.C. 3703 note); section 711 Pub. L. 111-281, 124 Stat 2905; Department of Homeland Security Delegation No. 170.1, para. 2(82).

### Source

Source: CGD 91-202, 59 FR 42968, Aug. 19, 1994, unless otherwise noted.

### Amendments

[CGD 91-202, 59 FR 42968, Aug. 19, 1994, as amended by USCG-2012-0975, 78 FR 50340, Aug. 19, 2013]