A.Being mroe than 25 miles from shore
B.Only at night when it‟s dark
C.Being more than 6 miles from shore
D.Never
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A.Advection
B.Radiation fog
C.frontal fog
D.Steam fog
A.speed
B.height
C.direction
D.course
A.lateral marks and cardinal marks
B.safe water marks
C.isolated danger marks and special marks
D.dangerous water marks
A.Poop
B.Store room
C.Accommodation
D.Saloon
A.Group A
B.Group B
C.Group C
D.Group D
最新試題
When steering by autopilot,how often should the steering be checked?（）
Where would you find information about the time of high tide at a specific location on a particular day of the year?（）
ECDIS must be able to perform all of the following EXCEPT（）.
（）is on the panel of radar.
Which of the following is not an operation mode of AIS?（）
Your vessel is docking, but not yet alongside. Which line will be the most useful when maneuvering the vessel alongside the pier?（）.
The force resulting from the earth’s rotation that causes winds to deflect to the right in the Northern Hemisphere and to the left in the Southern Hemisphere is called（）.
Which of the following shall not the officers in charge of the navigational watch do?（）
Full details of all lights and fog signals are shown on（）.
According to the relevant regulation, lifeboat should be powered by（）.