A.danger，stay away
B.all is clear，it is safe to pass
C.all is clear，it is safe to approach
D.a distress signal
您可能感興趣的試卷
你可能感興趣的試題
A.consists of 5 or more short blasts of the fog signal apparatus
B.consists of the raising and lowering of a large white flag
C.may be used individually or in conjunction with other distress signals
D.is used to indicate doubt about another vessel's intentions
A.consists of 5 or more short blasts of the fog signal apparatus
B.consists of the raising and lowering of a large white flag
C.may be used separately or with other distress signals
D.is used to indicate doubt about another vessel's intentions
A.Abandon vessel
B.Adrift
C.Beach to
D.Assembly station
A.displaying a large red flag
B.displaying three black balls in a vertical line
C.sounding four or more short rapid blasts on the whistle
D.continuously sounding the fog whistle
最新試題
The distress message of a ship should include considerable information which might facilitate the rescue. This information should（）.
What is NOT a distress signal?（）
Which categories of NAVTEX messages may not be selectively rejected through receiver programming?（）
The signal to guide vessels in distress，which indicates，“This is the best place to land” is the（）.
Three short blasts of the whistle means（）.
When can routine communications be resumed on a frequency or channel on which radio silence has been imposed? （）
Which signal is recognized as a distress signal?（）
When you are firing a pyrotechnic distress signal，it should be aimed at（）.
Which signal is detected as originating from a SART?（）
When can routine communications be resumed when radio silence has been imposed?（）