Section 133.170 - Line-throwing appliance(a)General. Each OSV must have a line-throwing appliance that is approved under approval series 160.031 or 160.040.(b)Stowage. The line-throwing appliance and its equipment must be readily accessible for use.(c)Additional equipment. Each OSV must carry the following equipment for the line-throwing appliance:(1) The equipment on the list provided by the manufacturer with the approved appliance.(2) An auxiliary line that- (i) For an appliance approved under approval series 160.040, is at least 450 meters (1,500 feet) long;(ii) For an appliance approved under approval series 160.031, is at least 150 meters (500 feet) long;(iii) Has a breaking strength of at least 40 kiloNewtons (9,000 pounds-force); and(iv) Is, if synthetic, a dark color or certified by the manufacturer to be resistant to deterioration from ultraviolet light.