A.All vessels capable of international voyages
B.Vessels operating outside of the range of VHF coastal radio stations
C.SOLAS Convention ships of 300 gross tonnage or more
D.Coastal vessels of less than 300 gross tons
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A.Certificate of Inspection
B.List of ship stations
C.Copy of ship to shore channels
D.Radio station license
A.The transmission is aborted and an alarm sounds to indicate this data must be provided by the operator
B.The transmission is not initiated and "ERROR" is indicated on the display readout
C.The transmission will be made with "default" information provided automatically
D.The receiving station will poll the DSC unit of the vessel in distress to download the necessary information
A.or
B.and
C.but
D.unless
A.identify
B.identifier
C.identity
D.identification
A.seen
B.sighted
C.watched
D.located
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Radio beacon can be activated（）in case of distress.
The priority of EGC messages is classified by（）.
Every ship constructed on or after（）shall comply with all the applicable requirements of this chapter.
The advantage of geostationary satellites is（）.
Monitoring is especially important in a highly automated system which is dependent on careful（）procedure and format.
On-scene communications will normally take place between（）.
The frequency（）the safety message will be transmitted shall be included in DSC safety call.
Particular care should be（）in selecting CESs in areas where Ocean Regions overlap.
（）will form the basis for distress alerting and safety calling.
By using（）system a ship can send a distress message and know with certainty it will be received.