This maritime sign is used by mariners to provide adequate signage on board vessels. Furthermore, some flag states and regulatory organizations require maritime signs on board to be in compliance with the maritime governing regulations. Maritime signs are critical in keeping a vessel's crew safe of any possible hazards, all safety equipment easy to mark, and provide directions on board a vessel.

Life Saving Sign; Line throwing appliance; with text “Line-throwing appliance”.
Conforms to IMO resolution A.1116(30) in force 1st January 2019.
IMO LSS015 ISO 7010-E050 IMPA Code 33.X198 ISSA Code 47.549.98