A.be transmitted at once though the frequency is not clear
B.be transmitted as soon as the frequency is cleared coordinately
C.be transmitted at its scheduled transmissions
D.be transmitted at next scheduled transmissions
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A.meteorological warnings
B.navigational warnings
C.search and rescue information
D.meteorological forecast
A.300
B.400
C.500
D.600
A.on the bridge
B.in the coast station
C.on the forecastle
D.on starboard side
A.subject for
B.liable to
C.easy to meet
D.always encounter
A.NBDP/VHF radio
B.Inmarsat safetyNet/NAVTEX
C.Safety service / Inmarsat-A
D.Long range / short range
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If the beacon is mounted at a wrong place, it may（）by sea water, chemicals, exhaust and vibrations.
We consider（）send a helicopter with medical facilities to the distress area.
What following is not among the function of SOLAS ships?（）
Ship-to-ship distress alerting should be conducted by（）.
International Navtex service means the coordinated broadcast and automatic reception on（）khz of maritime safety information by narrow-band direct-printing telegraphy using English language.
Every ship constructed on or after（）shall comply with all the applicable requirements of this chapter.
By using（）system a ship can send a distress message and know with certainty it will be received.
The rescue coordination center may（）on stations which interfere with traffic.
（）will form the basis for distress alerting and safety calling.
Every lifeboat which is fitted with a fixed two-way（）radiotelephone apparatus with an antenna which is separately mounted shall be provided with arrangements for sitting and securing the antenna effectively in its operating position.