A.signal indicating a course change
B.distress signal
C.signal of asking to communicate with another vessel
D.signal indicating danger
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A.circling the vessel at least once
B.heading in the direction of the distress location
C.flashing the navigation lights on and off
D.crossing ahead and rocking the wings
A.immediate danger to collide with another vessel
B.a situation in which more passengers will embark on board
C.berth and ready to disembark her passengers
D.distress
A.International Code Signal AA
B.orange-colored smoke
C.red flares
D.the repeated raising and lowering of outstretched arms
A.the continuous sounding of any fog signal apparatus
B.giving five or more short and rapid blasts of the whistle
C.firing a gun at intervals of about a minute
D.a barrel with burning oil in it，on deck
A.The unit is working properly
B.The face mask is not sealed properly
C.The air bottle needs to be refilled
D.The air supply hose has a leak
最新試題
If you are transmitting a distress message by radiotelephone you should（）.
By regulation，orange smoke distress signals will expire not more than how many months from the date of manufacture?（）
The radiotelegraph alarm signal may be used to announce（）.
If you log a distress message，it must include the（）.
The color of rockets，shells，or rocket parachute flares used to indicate that the vessel is in distress and requires immediate assistance is（）.
If you are on the beach and are signaling to a small boat in distress that your present location is dangerous and they should land to the left，you would（）.
When two vessels are in immediate danger of collision，the stand-on vessel must（）.
The distress message of a ship should include considerable information which might facilitate the rescue. This information should（）.
If we had stayed at that port much longer，we（）the tropical storm.
Distress signals may be（）.