A.transmit distress signal
B.send response signal
C.transmit the signal of ship‟s position
D.be start by X-band radar
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A.consists of
B.is consisted of
C.consisted of
D.are consisted of
A.urgent traffic
B.distress alert
C.routine traffic
D.NAVTEX message
A.satellite and terrestrial communication systems
B.only navigational and alerting systems
C.just MSI system and locating system
D.SAR co-ordination system
A.NAVTEX
B.EGC
C.HF-telex
D.all of above
A.can be overcome by using traditional techniques
B.cannot be overcome by satellite system
C.can be overcome by satellite and digital techniques
D.cannot be tackled by any modern system
最新試題
What following is not among the function of SOLAS ships?（）
Monitoring is especially important in a highly automated system which is dependent on careful（）procedure and format.
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.
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.
Radio beacon can be activated（）in case of distress.
Particular care should be（）in selecting CESs in areas where Ocean Regions overlap.
The frequency（）the safety message will be transmitted shall be included in DSC safety call.
Every ship constructed on or after（）shall comply with all the applicable requirements of this chapter.
Distress traffic is the communication（）between the station in distress and the ships, aircraft, coast radio stations, coast earth stations and rescue centers participating in the rescue work.