46 C.F.R. § 169.505 Equipment installed but not required.
Title 46 - Shipping
Each item of lifesaving equipment installed on board a vessel must be of an approved type.
Title 46: Shipping
PART 169—SAILING SCHOOL VESSELS
Subpart 169.500—Lifesaving and Firefighting Equipment
Lifesaving Equipment—General
§ 169.505 Equipment installed but not required.

