---
kind: "section"
citation: "46 C.F.R. § 169.307"
title: "46"
number: "169.307"
heading: "Plans for sister vessels."
url: "https://uscodex.org/cfr/46/169.307"
---

# §169.307. Plans for sister vessels.


Plans are not required for any vessel which is a sister ship to a vessel, provided that—

- (a) The approved plans for the original vessels are already on file at any Marine Inspection Office;
- (b) The owner of the plans authorizes their use for the new construction;
- (c) The regulations have not changed since the original plan approval; and
- (d) **There are no major modifications to any of the systems used.**

## Notes

### Authority

Authority: 33 U.S.C. 1321(j); 46 U.S.C. 3306, 6101; Pub. L. 103-206, 107 Stat. 2439; E.O. 11735, 38 FR 21243, 3 CFR, 1971-1975 Comp., p. 793; DHS Delegation 00170.1, Revision No. 01.4; § 169.117 also issued under the authority of 44 U.S.C. 3507.

### Source

Source: CGD 83-005, 51 FR 896, Jan. 9, 1986, unless otherwise noted.