---
kind: "section"
citation: "46 C.F.R. § 140.725"
title: "46"
number: "140.725"
heading: "Additional navigation equipment."
url: "https://uscodex.org/cfr/46/140.725"
---

# §140.725. Additional navigation equipment.


Towing vessels must be equipped with the following equipment, as applicable to the area of operation:

- (a) **Fathometer (except Western Rivers).**
- (b) Search light, controllable from the vessel's operating station and capable of illuminating objects at a distance of at least two times the length of the tow.
- (c) Electronic position-fixing device, satisfactory for the area in which the vessel operates, if the towing vessel engages in towing seaward of the navigable waters of the U.S. or more than 3 nautical miles from shore on the Great Lakes.
- (d) **Illuminated magnetic compass or an illuminated swing-meter (Western Rivers vessels only).** The compass or swing-meter must be readable from each operating station.

  Note to § 140.725. Certain towing vessels subject to § 140.725 are also subject to the requirements of [33 CFR 164.72](/cfr/33/164.72.md) and Automatic Identification System requirements of [33 CFR 164.46](/cfr/33/164.46.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.