A.self-propelled，inspected vessels
B.towing vessels
C.recreational vessels
D.uninspected passenger vessels
您可能感興趣的試卷
你可能感興趣的試題
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
Radio beacon can be activated（）in case of distress.
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.
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.
In case a ship is in emergency or distress in any of 4 areas, it is required to use the continuous（）alert.
Stations in the United States of America are grouped by states arranged in the alphabetical order of their（）.
The rescue coordination center may（）on stations which interfere with traffic.
The advantage of geostationary satellites is（）.
Radio communication（）for many years and helps to save tens of thousands of lives.
Please use（）for（）.
SafetyNet is an international service for the broadcast and automatic reception of MSI by means of direct-printing through（）system.