CFR > Title 46 - Shipping > CHAPTER I—COAST GUARD, DEPARTMENT OF HOMELAND SECURITY > SUBCHAPTER L—OFFSHORE SUPPLY VESSELS (parts 125 to 135) > PART 129—ELECTRICAL INSTALLATIONS > SUBPART D—Lighting Systems (§129.410 to §129.450) > 129.450—Portable lighting.

129.450—Portable lighting.

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.