46 CFR § 140.720 - Navigation lights, shapes, and sound signals.

---
identifier: "/us/cfr/t46/s140.720"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "46 CFR § 140.720 - Navigation lights, shapes, and sound signals."
title_number: 46
title_name: "Shipping"
section_number: "140.720"
section_name: "Navigation lights, shapes, and sound signals."
chapter_name: "COAST GUARD, DEPARTMENT OF HOMELAND SECURITY"
subchapter_number: "M"
subchapter_name: "TOWING VESSELS"
part_number: "140"
part_name: "OPERATIONS"
positive_law: false
currency: "2026-04-05"
last_updated: "2026-04-05"
format_version: "1.1.0"
generator: "[email protected]"
authority: "46 U.S.C. 3103, 3301, 3306, 3308, 3316, 8104, 8904; 33 CFR 1.05; DHS Delegation 0170.1."
regulatory_source: "USCG-2006-24412, 81 FR 40101, June 20, 2016, unless otherwise noted."
cfr_part: "140"
---


# 140.720 Navigation lights, shapes, and sound signals.

Each towing vessel must be equipped with navigation lights, shapes, and sound signals in accordance with the International Regulations for Prevention of Collisions at Sea (COLREGS) or 33 CFR part 84 as appropriate to its area of operation.