A.receiving messages/one station
B.transmission/ one coast station or ship
C.communicating /one ship
D.contacting/other
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A.120/20
B.56/18
C.100/16
D.96/8
A.VHF channel16 and 13
B.appropriate DSC distress and safety frequency
C.INMARSAT TDM message channel
D.VHF channel 70 and channel 8
A.urgent traffic
B.distress alert
C.routine traffic
D.NAVTEX message
A.keep silence
B.interfere with such communication
C.establish communication as directed and render such assistance as is required and appropriate
D.refuse communication as directed and render such assistance as it required and appropriate
A.INMARSAT SES
B.VHF/DSC or MF/DSC
C.SART and VHF/DSC
D.satellite EPIRB and VHF/DSC
最新試題
Ship-to-ship distress alerting should be conducted by（）.
In case a ship is in emergency or distress in any of 4 areas, it is required to use the continuous（）alert.
The priority of EGC messages is classified by（）.
SafetyNet is an international service for the broadcast and automatic reception of MSI by means of direct-printing through（）system.
We consider（）send a helicopter with medical facilities to the distress area.
As each MSI message will have a unique identity, the printing of messages already received correctly is（）.
Can MF/HF radiotelephone receive the MSI sent from the coast stations alone?（）
（）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.
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.
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.