A.24 months
B.36 months
C.42 months
D.54 months
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A.in distress
B.approaching a bend in the channel
C.operating astern propulsion
D.intending to overtake another vessel
A.the captain of a vessel in distress
B.representative of ship owners
C.an officer from port authorities
D.the pilot of a vessel entering a port in foreign country
A.signal indicating a course change
B.distress signal
C.signal of asking to communicate with another vessel
D.signal indicating danger
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
A.opening the automatic drain plugs
B.draining the water pockets
C.using the electric bilge pump
D.using the bailers and cellulose sponge
A.distress position
B.spoken words Mayday,Mayday,Mayday
C.ship's name
D.ship's call letters
最新试题
The radiotelegraph alarm signal may be used to announce().
If you are transmitting a distress message by radiotelephone you should().
A person who sees someone fall overboard should().
At night you observe a vessel ahead show three flashes of a white light. This signal indicates that the vessel ahead is().
All of the following are distress signals EXCEPT().
AS SOON AS I HAVE FURTHER INFORMATION I WILL MAKE ANOTHER ANNOUNCEMENT. I ASK YOU KINDLY TO REMAIN CALM. THERE IS NO DANGER AT THIS TIME. These words are likely from().
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().
If an airplane circles a vessel 3 times,crosses the vessel’s course close ahead while rocking the wings,and heads off in a certain direction,what does this indicate?()
If you are transmitting a distress message by radiotelephone you should().