A.581
B.582
C.583
D.584
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你可能感興趣的試題
A.routine
B.distress
C.urgency
D.safety
A.Network
B.The CES preferred by the applicant
C.INMARSAT
D.The SES itself
A.INMARSAT
B.IMO
C.MSC
D.CES
A.20 hour
B.12 hour
C.24 minute
D.24 hour
A.his service and position
B.time and course
C.tide and speed
D.type of his ship
最新試題
SafetyNet is an international service for the broadcast and automatic reception of MSI by means of direct-printing through()system.
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.
The rescue coordination center may()on stations which interfere with traffic.
Ship-to-ship distress alerting should be conducted by().
The frequency()the safety message will be transmitted shall be included in DSC safety call.
COSPAS-SARSAT is intended to be used for().
Before GMDSS, if the radio officer on board is serious ill,().
We consider()send a helicopter with medical facilities to the distress area.
For COSPAS-SARSAT system,()usually transmit initial COSPAS-SARSAT alert.
()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.