A.INMARSAT, EPIRB and DSC
B.NAVTEX, NBDP and R/T
C.INMARSAT, VHF and SART
D.EPIRB, DSC and radar
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A.distress and safety radio communication purposes
B.life-saving purpose
C.GMDSS requirements
D.emergency position
A.Q-code
B.Telephone numbers and addresses
C.the international Codes of Signals
D.radio instructions
A.digital codes
B.code messages
C.norse codes
D.distress messages
A.DSC
B.MSI
C.EGC
D.NBDP
A.Navigational broadcast
B.weather forecast
C.Urgency message
D.Maritime Safety Information
最新試題
At least two two-way VHF radiotelephone apparatus shall be provided on every cargo ship of（）tons gross tonnage and upwards but less than 500 tons gross tonnage.
The advantage of geostationary satellites is（）.
COSPAS-SARSAT is intended to be used for（）.
The frequency（）the safety message will be transmitted shall be included in DSC safety call.
Radio beacon can be activated（）in case of distress.
（）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.
Can MF/HF radiotelephone receive the MSI sent from the coast stations alone?（）
The priority of EGC messages is classified by（）.
SafetyNet is an international service for the broadcast and automatic reception of MSI by means of direct-printing through（）system.
SOLAS ships shall be equipped with（）.