单项选择题
A.decrease in mooring line length B.increase in the opposite amperage C.increase in the opposite line tension D.decrease in mooring line tension and amperage
The Coordinator Surface Search (CSS) in a SAR situation...
单项选择题The Coordinator Surface Search (CSS) in a SAR situation should display by night().
A.deck lights forward and aft B.a white light over two red lights C.a red light,white light,and blue light in a vertical line D.a distinctive signal promulgated by the CSS
RESULT OF SEARCH NEGATIVE means().A.the search has foun...
单项选择题RESULT OF SEARCH NEGATIVE means().
A.the search has found nothing B.the derelict has been found C.the derelict has been located D.the derelict has been sighted
One of the signals,other than a distress signal,that ca...
单项选择题One of the signals,other than a distress signal,that can be used by a vessel to attract attention is a(n)().
A.red star shell B.searchlight C.burning barrel D.orange smoke signal