A.518
B.2182
C.156.8
D.2187.5
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A.1 February 1995
B.1 February 1992
C.1 July 1997
D.1 February 1999
A.MF/HF
B.SART
C.EPIRB
D.any of A, B, C
A.only automatically
B.only manually
C.both automatically and manually
D.only by remote control
A.be damaged
B.work normally regardless of harmful conditions
C.not wok though it is not in a bad condition
A.COSPAS-SARSAT
B.SATELLITE
C.terrestrial radio
D.INMARSAT
最新試題
Can MF/HF radiotelephone receive the MSI sent from the coast stations alone?（）
Ship-to-ship distress alerting should be conducted by（）.
At least two two-way VHF radiotelephone apparatus shall be provided on every cargo ship of（）tons gross tonnage and upwards but less than 500 tons gross tonnage.
The advantage of geostationary satellites is（）.
If the beacon is mounted at a wrong place, it may（）by sea water, chemicals, exhaust and vibrations.
SafetyNet is an international service for the broadcast and automatic reception of MSI by means of direct-printing through（）system.
Every lifeboat which is fitted with a fixed two-way vhf radiotelephone apparatus with（）which is separately mounted shall be provided with arrangements for sitting and securing the antenna effectively in its operating position.
Radiotelephony communication or radio telex communication or both will be carried out by terrestrial or satellite means,（）the equipment fitted on ship and the area in which the incident occurs.
（）by an ice-breaker, it is important to maintain a continuous listening watch on the appropriate VHF channel and to maintain a proper look-out for sound and visual signals.
The frequency（）the safety message will be transmitted shall be included in DSC safety call.