---
kind: "section"
citation: "46 C.F.R. § 171.090"
title: "46"
number: "171.090"
heading: "Aft peak bulkhead."
url: "https://uscodex.org/cfr/46/171.090"
---

# §171.090. Aft peak bulkhead.

- (a) Each of the following vessels must have an aft peak bulkhead:
  - (1) **Each vessel 100 gross tons or more on an international voyage.**
  - (2) **Each other vessel of more than 150 gross tons.**
- (b) Except as specified in [paragraph (c)](#c) of this section, each portion of the aft peak bulkhead below the bulkhead deck must be watertight.
- (c) A vessel may have an aft peak bulkhead that does not intersect the bulkhead deck if approved by the Commanding Officer, Marine Safety Center.

## Notes

### Amendments

[CGD 79-023, 48 FR 51017, Nov. 4, 1983, as amended by CGD 88-070, 53 FR 34537, Sept. 7, 1988]

### Authority

Authority: 46 U.S.C. 2103, 3306; E.O. 12234, 45 FR 58801, 3 CFR, 1980 Comp., p. 277; Department of Homeland Security Delegation No. 0170.1.

### Source

Source: CGD 79-023, 48 FR 51017, Nov. 4, 1983, unless otherwise noted.

### Amendments

[CGD 79-023, 48 FR 51017, Nov. 4, 1983, as amended by CGD 88-070, 53 FR 34537, Sept. 7, 1988]