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
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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 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
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What is NOT a distress signal?（）
When you are firing a pyrotechnic distress signal，it should be aimed at（）.
The distress message of a ship should include considerable information which might facilitate the rescue. This information should（）.
The signal to guide vessels in distress，which indicates，“This is the best place to land” is the（）.
What is the calling and distress frequency on a single side band (SSB) marine radiotelephone?（）
Which action should you take after sending a false distress alert on VHF?（）
If you log a distress message，it must include the（）.
The service life of distress signals must be not more than（）.
Which is a distress signal? （）
Which of the following statements about transmitting distress messages by radiotelephone is INCORRECT?（）