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
Can MF/HF radiotelephone receive the MSI sent from the coast stations alone?（）
In case a ship is in emergency or distress in any of 4 areas, it is required to use the continuous（）alert.
COSPAS-SARSAT is intended to be used for（）.
What following is not among the function of SOLAS ships?（）
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.
Stations in the United States of America are grouped by states arranged in the alphabetical order of their（）.
On-scene communications will normally take place between（）.
For COSPAS-SARSAT system,（）usually transmit initial COSPAS-SARSAT alert.
The frequency（）the safety message will be transmitted shall be included in DSC safety call.
As each MSI message will have a unique identity, the printing of messages already received correctly is（）.