单项选择题
A.Downwind so that the apparent wind is close to nil
B.A course that will keep a free flow of air，clear of smoke，over the hoist area
C.A course that will have the hoist area in the lee of the superstructure
D.With the wind dead ahead because the helicopter is more maneuverable when going into the wind
单项选择题 When evacuating a seaman by helicopter lift，the vessel should be（）.
单项选择题 What should you do if you have transmitted a distress call a number of times on channel 16 and have received no reply?（）
单项选择题 What is one of the FIRST actions you should take after abandoning and clearing away from a vessel?（）