單項選擇題It is required that ships proceeding at sea should keep continuous watch on（）.

A.VHF channel16 and 13
B.appropriate DSC distress and safety frequency
C.INMARSAT TDM message channel
D.VHF channel 70 and channel 8


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1.單項選擇題The transmission of a（）indicates that a ship is in distress and requires immediate assistance.

A.urgent traffic
B.distress alert
C.routine traffic
D.NAVTEX message

2.單項選擇題A ship station on receiving a shore-to-ship distress alert should（）.

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

3.單項選擇題Ship-to-ship distress alerting should be conducted by（）.

A.INMARSAT SES
B.VHF/DSC or MF/DSC
C.SART and VHF/DSC
D.satellite EPIRB and VHF/DSC

4.單項選擇題On receipt of a distress alert, the SAR units ashore and at sea will（）soonest.

A.coordinate in rescue operation
B.send rescue vessels
C.reach the area at once
D.conduct a sector search

5.單項選擇題Any ship fitted with SES can（）and（）through the satellite system when sending a distress alert.

A.enter the system/ contact an RCC
B.access to INMARSAT/establish contact with a CES
C.have absolutely priority to enter the system/make contact with a CES
D.enter the system gradually/wait for rescue