A.SES/DSC/EPIRB
B.SART/radiotelephone
C.COSPAS-SARSAT
D.both B and C
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A.general communication
B.distress alerting and safety calling
C.receive MSI
D.both B and C
A.Ship owner‟s will
B.economic condition
C.the area in which the ship operates
D.different orders of all countries
A.Distress, Urgency and Safety
B.Vital, Important and Routine
C.NAVAREA, Coastal and local
D.gale, Tsunami and Ice
A.1,2
B.2,3
C.2,1
D.3,2
A.medical assistance
B.medical advise
C.maritime assistance
D.technical assistance
最新試題
Radio beacon can be activated（）in case of distress.
The advantage of geostationary satellites is（）.
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.
SOLAS ships shall be equipped with（）.
SafetyNet is an international service for the broadcast and automatic reception of MSI by means of direct-printing through（）system.
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（）.
COSPAS-SARSAT is intended to be used for（）.
Can MF/HF radiotelephone receive the MSI sent from the coast stations alone?（）
The quality of EGC messages is（）affected by the position of the ship, the time of reception and climatic conditions.