A.120/20
B.56/18
C.100/16
D.96/8
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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
A.coordinate in rescue operation
B.send rescue vessels
C.reach the area at once
D.conduct a sector search
最新試題
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.
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.
Radio beacon can be activated（）in case of distress.
As each MSI message will have a unique identity, the printing of messages already received correctly is（）.
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.
The vessel has stayed in port for seven days because she needs（）.
Before GMDSS, if the radio officer on board is serious ill,（）.
The priority of EGC messages is classified by（）.
We consider（）send a helicopter with medical facilities to the distress area.