SOLAS requires one of these signs to be mounted on each bridge wing attached to a 4 kg life ring. Mounted on its steel bracket on each bridge wing attached to a life ring. The signal can be mounted up to 56m above sea level (SOLAS only requires >30m). Produces dense orange smoke for 15 minutes and 2 LED lights burning at 2 candlepower for at least 2 hours. Signals the location of a man overboard day or night.