A.navigational / typhoon
B.traffic / meteorological
C.marine / hurricane
D.navigational / meteorological
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A.dedicated system
B.MSI broadcasts
C.518KHZ
D.channel 16
A.ship’s movement
B.safety
C.ship’s management
D.hazards
A.by day or at night
B.almost round the clock
C.somewhat and sometime
D.from sunrise and sunset
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
最新試題
All coast radio stations()DSC installed for VHF and HF.
Before GMDSS, if the radio officer on board is serious ill,().
Please use()for().
On-scene communications will normally take place between().
As each MSI message will have a unique identity, the printing of messages already received correctly is().
()will form the basis for distress alerting and safety calling.
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.
()by an ice-breaker, it is important to maintain a continuous listening watch on the appropriate VHF channel and to maintain a proper look-out for sound and visual signals.
At least two two-way VHF radiotelephone apparatus shall be provided on every cargo ship of()tons gross tonnage and upwards but less than 500 tons gross tonnage.
The vessel has stayed in port for seven days because she needs().