A.self-propelled，inspected vessels
B.towing vessels
C.recreational vessels
D.uninspected passenger vessels
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A.orbiting satellites in space
B.commercial radio stations
C.private，commercial，and military aircraft
D.ordinary radio stations
A.One approved Class A EPIRB
B.Two approved Class A EPIRBs
C.One approved Class B EPIRBs
D.Two approved Class B EPIRBs
A.does not have berthing facilities
B.has berthing and galley facilities
C.is a workboat and her mother ship carries an EPIRB
D.None of the above are correct
A.the information can be received on an ordinary FM radio
B.warnings are printed out for reading when convenient
C.broadcasts are at scheduled times
D.a low frequency band is used for long distance transmission
A.submarine EPIRB
B.safety EPIRB
C.ship EPIRB
D.survival craft EPIRB
最新試題
The frequency（）the safety message will be transmitted shall be included in DSC safety call.
The vessel has stayed in port for seven days because she needs（）.
Ship-to-ship distress alerting should be conducted by（）.
International Navtex service means the coordinated broadcast and automatic reception on（）khz of maritime safety information by narrow-band direct-printing telegraphy using English language.
（）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.
Before GMDSS, if the radio officer on board is serious ill,（）.
The quality of EGC messages is（）affected by the position of the ship, the time of reception and climatic conditions.
We consider（）send a helicopter with medical facilities to the distress area.
Every lifeboat which is fitted with a fixed two-way（）radiotelephone apparatus with an antenna which is separately mounted shall be provided with arrangements for sitting and securing the antenna effectively in its operating position.
As each MSI message will have a unique identity, the printing of messages already received correctly is（）.