46 C.F.R. § 129.450 Portable lighting.
Title 46 - Shipping
Each vessel must be equipped with at least two operable, portable, battery-powered lights. One of these lights must be located in the pilothouse, another at the access to the engine room.
Title 46: Shipping
PART 129—ELECTRICAL INSTALLATIONS
Subpart D—Lighting Systems
§ 129.450 Portable lighting.
