A.LES
B.ESA
C.NCS
D.EGC
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A.daily testing
B.either A or C
C.operational use of the equipment
D.testing at least every 48 hours
A.INMARSAT A
B.INMARSAT C
C.SafetyNET
D.NAVTEX
A.VHF
B.SART
C.NAVTEX
D.LES
A.Sea Area A1
B.Sea Area A2
C.Sea Area A3
D.Sea Area A4
A.Search and rescue authorities ashore can be alerted to a distress situation
B.Shipping in the immediate vicinity of a ship in distress will be rapidly alerted
C.Shoreside authorities and vessels can assist in a coordinated SAR operation with minimum delay
D.All of the above
最新試題
COSPAS-SARSAT is intended to be used for（）.
Every lifeboat which is fitted with a fixed two-way（）radiotelephone apparatus with an antenna 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（）.
Please use（）for（）.
Can MF/HF radiotelephone receive the MSI sent from the coast stations alone?（）
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（）.
The vessel has stayed in port for seven days because she needs（）.
Radio communication（）for many years and helps to save tens of thousands of lives.
Monitoring is especially important in a highly automated system which is dependent on careful（）procedure and format.