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
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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 Navigation Rules state that a vessel shall be operated at a safe speed at all times so that she can be stopped within（）.
Which signal is recognized as a distress signal?（）
Which condition represents the appropriate time for setting off distress flares and rockets? （）
The distress message of a ship should include considerable information which might facilitate the rescue. This information should（）.
Which signal is detected as originating from a SART?（）
Which of the following statements about transmitting distress messages by radiotelephone is INCORRECT?（）
Which condition represents the appropriate time for setting off distress flares and rockets? （）
If you are transmitting a distress message by radiotelephone you should（）.
Several merchant ships are arriving at the scene of a distress incident. One of the them must assume the duties of the Coordinator Surface Search (CSS). Which of the following statements is TRUE? （）
How is “radio silence” imposed?（）