---
kind: "section"
citation: "33 C.F.R. § 401.37"
title: "33"
number: "401.37"
heading: "Mooring at tie-up walls."
url: "https://uscodex.org/cfr/33/401.37"
---

# §401.37. Mooring at tie-up walls.

- (a) Upon arrival at a lock, a vessel awaiting instructions to advance shall moor at the tie-up wall, close up to the designated limit or approach sign or to the ship preceding it, whichever is specified by the traffic controller or an officer.
- (b) Crew members being put ashore on landing booms and handling mooring lines on tie-up walls shall wear approved personal flotation devices.
- (c) Should the situation arise where a tie up at an approach wall is provided by Seaway personnel at the Canadian Locks, synthetic mooring lines should be used.

## Notes

### Amendments

[39 FR 10900, Mar. 22, 1974, as amended at 47 FR 51122, Nov. 12, 1982; 65 FR 52914, Aug. 31, 2000; 70 FR 12972, Mar. 17, 2005; 73 FR 9954, Feb. 25, 2008; 81 FR 13746, Mar. 15, 2016; 91 FR 12691, Mar. 17, 2026]

### 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.

### Amendments

[39 FR 10900, Mar. 22, 1974, as amended at 47 FR 51122, Nov. 12, 1982; 65 FR 52914, Aug. 31, 2000; 70 FR 12972, Mar. 17, 2005; 73 FR 9954, Feb. 25, 2008; 81 FR 13746, Mar. 15, 2016; 91 FR 12691, Mar. 17, 2026]