A.NAVTEX
B.EGC
C.HF-telex
D.all of above
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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
A.business opportunity
B.good-quality radio telephone conversations
C.telex service
D.both B and C
A.a fixed area or Navarea in any ocean region
B.a Navarea or weather forecast area
C.the designated area or given geographic position
D.anywhere of the world
A.automatically suppressed
B.finished by the operator
C.manually suppressed
D.done again
A.Ship stations
B.Coast stations
C.NCSs
D.NCC
最新試題
We consider（）send a helicopter with medical facilities to the distress area.
（）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.
What following is not among the function of SOLAS ships?（）
All coast radio stations（）DSC installed for VHF and HF.
As each MSI message will have a unique identity, the printing of messages already received correctly is（）.
Every ship constructed on or after（）shall comply with all the applicable requirements of this chapter.
By using（）system a ship can send a distress message and know with certainty it will be received.
Radio beacon can be activated（）in case of distress.
In case a ship is in emergency or distress in any of 4 areas, it is required to use the continuous（）alert.
The rescue coordination center may（）on stations which interfere with traffic.