In launching a covered lifeboat,what would safely lower the lifeboat from inside the lifeboat cabin?()
A、A.Frapping line
B、B.Tricing line
C、C.Rottmer release
D、D.Winch remote control wire
A、A.Frapping line
B、B.Tricing line
C、C.Rottmer release
D、D.Winch remote control wire
A、A. Lifeboat launching is operated at intervals of three months. B、B. Lifeboat launching is operated at intervals for three months. C、C. Fire drill is carried out once a month. D、D. Don’t operate two or more hatch covers at the same time.
A、all survival craft are lowered to the water,launched,and operated for thirty minutes B、all davits used for launching liferafts are operated C、each emergency position indicating radio beacon is tested for thirty minutes D、the helicopter pad landing lights are operating in a quick-flashing mode