A.danger,stay away B.all is clear,it is safe to pass C.the vessel is anchored D.a distress signal
A.immediately jump in the water to help the individual B.call for help and keep the individual in sight C.run to the radio room to send an emergency message D.go to the control room for the distress flares
A.Safety alarm B.Distress alarm C.Fire drill alarm D.General emergency alarm