單項(xiàng)選擇題
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
A.coordinate in rescue operation B.send rescue vessels C.reach the area at once D.conduct a sector search
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
A.1995 B.1998 C.1999 D.2000
A.they all have different limitations with respect to coverage B.they all have different limitations in the technology they use C.different systems apply to different ships D.all of above
A.ship-to-shore B.shore-to-ship C.bridge-to-bridge
A.some B.lots of C.many D.all
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