A.by day or at night
B.almost round the clock
C.somewhat and sometime
D.from sunrise and sunset
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A.DF
B.Radar System
C.DSC System
D.COSPAS-SARSAT
A.nature of distress
B.type of assistance required
C.course and speed and time at which the information was recorded
D.A, B, C are all right
A.when two stations communicate with each other
B.in any radio system and at any time
C.when one ship sends a message to another station
D.for communication among some stations
A.VHF channels 16 and 13
B.Appropriate DSC distress and safety frequencies
C.INMARSAT TDM message channel
D.VHF channel 70 and channel 8
A.SAR party and the ship in distress
B.SAR authorities and the ship in distress and survival craft
C.A ship station and any coast station
D.Ship stations and shore-based communication network
最新試題
Radio beacon can be activated（）in case of distress.
Monitoring is especially important in a highly automated system which is dependent on careful（）procedure and format.
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?（）
（）will form the basis for distress alerting and safety calling.
SOLAS ships shall be equipped with（）.
For COSPAS-SARSAT system,（）usually transmit initial COSPAS-SARSAT alert.
The rescue coordination center may（）on stations which interfere with traffic.
Particular care should be（）in selecting CESs in areas where Ocean Regions overlap.
As each MSI message will have a unique identity, the printing of messages already received correctly is（）.