---
kind: "section"
citation: "33 C.F.R. § 401.41"
title: "33"
number: "401.41"
heading: "Tandem lockage."
url: "https://uscodex.org/cfr/33/401.41"
---

# §401.41. Tandem lockage.


Where two or more vessels are being locked together, vessels astern of the leading vessel shall:

- (a) Come to a full stop a sufficient distance from the preceding vessel to avoid a collision; and
- (b) **Be moved into mooring position as directed by the officer in charge of the lock.**

## Notes

### Authority

Authority: 33 U.S.C. 983(a) and 984(a)(4), as amended; 49 CFR 1.101, unless otherwise noted.

### Source

Source: 39 FR 10900, Mar. 22, 1974, unless otherwise noted.