46 CFR §108.597

1. (a)General. Each unit in international service must have a line-throwing appliance that is approved under approval series 160.040. Each unit not in international service must carry a line-throwing appliance approved under either approval series 160.040 or 160.031.
2. (b)Stowage. The line-throwing appliance and its equipment must be readily accessible for use.
3. (c)Additional equipment. Each unit must carry the following equipment for the line-throwing appliance:
   1. (1)The equipment on the list provided by the manufacturer with the approved appliance; and
   2. (2)An auxiliary line that—
      1. (i)Has a breaking strength of at least 40 kiloNewtons (9,000 pounds-force);
      2. (ii)Is, if synthetic, a dark color or certified by the manufacturer to be resistant to deterioration from ultraviolet light; and
      3. (iii)Is—
         1. (A)At least 450 meters (1,500 feet) long, if the line-throwing appliance is approved under approval series 160.040; or
         2. (B)At least 150 meters (500 feet) long, if the line-throwing appliance is approved under approval series 160.031.