46 C.F.R. § 180.75 Life jacket lights.
Title 46 - Shipping
(a) Each life jacket carried on a vessel on oceans, coastwise, or Great Lakes route, must have a life jacket light approved in accordance with §161.012 in subchapter Q of this chapter, or other standard specified by the Commandant. Each life jacket light must be securely attached to the front shoulder area of the life jacket. (b) Notwithstanding the requirements of paragraph (a) of this section, life jacket lights are not required for life jackets on: (1) Ferries; and (2) Vessels with Certificates of Inspection endorsed only for routes that do not extend more than 20 miles from a harbor of safe refuge.
Title 46: Shipping
PART 180—LIFESAVING EQUIPMENT AND ARRANGEMENTS
Subpart C—Ring Life Buoys and Life Jackets
§ 180.75 Life jacket lights.