A.routine
B.distress
C.urgency
D.safety
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A.581
B.582
C.583
D.584
A.routine
B.distress
C.urgency
D.safety
A.Network
B.The CES preferred by the applicant
C.INMARSAT
D.The SES itself
A.INMARSAT
B.IMO
C.MSC
D.CES
A.20 hour
B.12 hour
C.24 minute
D.24 hour
最新試題
SafetyNet is an international service for the broadcast and automatic reception of MSI by means of direct-printing through（）system.
Before GMDSS, if the radio officer on board is serious ill,（）.
In case a ship is in emergency or distress in any of 4 areas, it is required to use the continuous（）alert.
What following is not among the function of SOLAS ships?（）
If the beacon is mounted at a wrong place, it may（）by sea water, chemicals, exhaust and vibrations.
On-scene communications will normally take place between（）.
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.
SOLAS ships shall be equipped with（）.
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.