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
Wat is NOT required in the radiotelephone log?（）
Which signal is detected as originating from a SART?（）
Distress signals may be（）.
Distress flares and smoke signals for small passenger vessels（）.
Which categories of NAVTEX messages may not be selectively rejected through receiver programming?（）
If you are transmitting a distress message by radiotelephone you should（）.
When you are firing a pyrotechnic distress signal，it should be aimed at（）.
Upon receipt of a distress message，a merchant vessel is bound to proceed to the scene of the distress. Under which of the following cases would this NOT be true?（）
The distress message of a ship should include considerable information which might facilitate the rescue. This information should（）.
Three short blasts of the whistle means（）.