---
kind: "section"
citation: "46 C.F.R. § 140.625"
title: "46"
number: "140.625"
heading: "Navigation underway."
url: "https://uscodex.org/cfr/46/140.625"
---

# §140.625. Navigation underway.

- (a) At all times, the movement of a towing vessel and its tow must be under the direction and control of a master or mate (pilot) properly licensed under subchapter B of this chapter.
- (b) The master or officer in charge of a navigational watch must operate the vessel in accordance with the conditions and restrictions stated on the COI and the TSMS applicable to the vessel.

  Note to § 140.625. Certain towing vessels subject to § 140.625 are also subject to the requirements of [33 CFR 164.78](/cfr/33/164.78.md).


## Notes

### Authority

Authority: 46 U.S.C. 3103, 3301, 3306, 3308, 3316, 8104, 8904; 33 CFR 1.05; DHS Delegation 0170.1.

### Source

Source: USCG-2006-24412, 81 FR 40101, June 20, 2016, unless otherwise noted.