---
kind: "section"
citation: "33 C.F.R. § 157.154"
title: "33"
number: "157.154"
heading: "Assistant personnel."
url: "https://uscodex.org/cfr/33/157.154"
---

# §157.154. Assistant personnel.


The owner, operator, and master of a tank vessel having a COW system under [§ 157.10(e)](/cfr/33/157.10.md?p=e), [§ 157.10a(a)(2)](/cfr/33/157.10a.md?p=a-2), or [§ 157.10c(b)(2)](/cfr/33/157.10c.md?p=b-2) shall ensure that each member of the crew that has a designated responsibility during COW operations—

- (a) Has six months or more of tank vessel duty that includes oil cargo discharge operations;
- (b) Has been instructed in the COW operation of the tank vessel; and
- (c) Is familiar with the contents of the Crude Oil Washing Operations and Equipment Manual approved by the Coast Guard under [§ 157.112](/cfr/33/157.112.md) or by the government of the vessel's flag state.

## Notes

### Amendments

[CGD 77-058b, 45 FR 43709, June 30, 1980, as amended by CGD 82-28, 50 FR 11628, Mar. 22, 1985]

### Source

Source: CGD 77-058b, 45 FR 43709, June 30, 1980, unless otherwise noted.

### Authority

Authority: 33 U.S.C. 1903; 46 U.S.C. 3703, 3703a (note); Department of Homeland Security Delegation No. 0170.1. Subparts G, H, and I are also issued under section 4115(b), Pub. L. 101-380, 104 Stat. 520; Pub. L. 104-55, 109 Stat. 546.

### Source

Source: CGD 74-32, 40 FR 48283, Oct. 14, 1975, unless otherwise noted.

### Amendments

[CGD 77-058b, 45 FR 43709, June 30, 1980, as amended by CGD 82-28, 50 FR 11628, Mar. 22, 1985]