A.from any INMARSAT satellite
B.via any appropriate Navtex and EGC station
C.via the satellite the MES is tracking
D.from any RCC and coast station
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A.four
B.six
C.five
D.three
A.selective and can be suppressed by ships
B.mandatory and can not be suppressed by ships in the affected area
C.not very important so that ships don‟t require them
D.received by all ships wherever they are
A.all vessels
B.selected groups of ships
C.a particular ship
D.A, B, C are all right
A.a coast station/a ship station
B.an EPIRB/a SART
C.ARQ/FEC
D.a back-up satellite/a land SAR unit
A.ship in distress and assisting units
B.NCS and RCC
C.RCCs and „0n-scene commander‟ or “co-ordinator surface search”
D.ship in distress and coast station
最新試題
Please use（）for（）.
Can MF/HF radiotelephone receive the MSI sent from the coast stations alone?（）
The advantage of geostationary satellites is（）.
Radiotelephony communication or radio telex communication or both will be carried out by terrestrial or satellite means,（）the equipment fitted on ship and the area in which the incident occurs.
The rescue coordination center may（）on stations which interfere with traffic.
（）will form the basis for distress alerting and safety calling.
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.
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（）.
The vessel has stayed in port for seven days because she needs（）.