A.red flares
B.smoke signals
C.sound signals
D.Any of the above
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A.are not required aboard vessels on runs of less than 30 minutes duration
B.must be Coast Guard approved and stowed in a portable，watertight container
C.must be marked with an expiration date not more than 42 months from the date of manufacture
D.All of the above
A.provide assistance as the vessel is in distress
B.stay clear as the vessel is transferring dangerous cargo
C.stay clear as the vessel is fishing
D.change course to the right as the vessel is crossing your bow
A.a green star signal
B.orange-colored smoke
C.red flares
D.the repeated raising and lowering of outstretched arms
A.International Code Signal "AA"
B.orange-colored smoke
C.red flares
D.the repeated raising and lowering of outstretched arms
A.a record of all routine calls
B.a record of your transmissions only
C.the home address of the vessel's Master or owner
D.a summary of all distress calls and messages
最新試題
The regulations require that inspected vessels on an international voyage，other than small passenger vessels，must carry which of the following distress signals on or near the navigating bridge?（）
How is “radio silence” imposed?（）
When should distress flares and rockets be used? （）
Which is NOT a distress signal? （）
What is meant by the term “radio silence”?（）
When a vessel signals her distress by means of a gun or other explosive signal，the firing should be at intervals of approximately（）.
The service life of distress signals must be not more than（）.
When can routine communications be resumed when radio silence has been imposed?（）
When you are firing a pyrotechnic distress signal，it should be aimed at（）.
Which of the following statements about transmitting distress messages by radiotelephone is INCORRECT?（）