In a racetrack turn,to recover a man overboard,the vessel is steadied for the SECOND time after a turn of how many degrees from the original heading?()
A、A.60°
B、B.135°
C、C.180°
D、D.360°
A、A.60°
B、B.135°
C、C.180°
D、D.360°
A、the man has been missing for a period of time B、the sea water is very cold and the man is visible C、there is thick fog D、the wind was from astern on the original course
A、the man has been missing for a period of time B、the sea water is very cold and the man is visible C、there is thick fog D、the wind was from astern on the original course