46 C.F.R. § 199.170 Line-throwing appliance.
Title 46 - Shipping
(a) General. Each vessel must have a line-throwing appliance approved under approval series 160.040. (b) Stowage. The line-throwing appliance and its equipment must be readily accessible for use. (c) Additional equipment. Each vessel must carry the following equipment for the line-throwing appliance— (1) The equipment on the list provided by the manufacturer with the approved appliance; and (2) An auxiliary line that— (i) Is at least 450 meters (1,500 feet) long; (ii) Has a breaking strength of at least 40 kiloNewtons (9,000 pounds-force); and (iii) Is, if synthetic, of a dark color or certified by the manufacturer to be resistant to deterioration from ultraviolet light.
Title 46: Shipping
PART 199—LIFESAVING SYSTEMS FOR CERTAIN INSPECTED VESSELS
Subpart B—Requirements for All Vessels
§ 199.170 Line-throwing appliance.

