A.white light FL (2) and a topmark of 2 black spheres
B.occulting green light and may be lettered
C.yellow light and will be numbered
D.continuous quick white light and may be numbered
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A.interrupted quick flashing
B.composite group flashing
C.Morse (A)
D.quick flashing
A.with part of it extending above the water
B.that can be detected by water turbulence
C.that drops off sharply
D.perpendicular to the current
A.Great Circle
B.Position Line
C.Rhumb line
D.True Bearing
A.dead reckoning
B.dead weight
C.dead slow ahead
D.dead slow astern
A.difference between the true course and the compass course
B.momentum of a vessel after her engines have been stopped
C.lateral movement of a vessel downwind of her intended course
D.displacement of a vessel multiplied by her speed
最新試題
Restricted areas at locks and dams are indicated by（）.
Which of the following are data layer categories to be displayed on ECDIS（）．
Which statement concerning current is TRUE（）.
A celestial body will cross the prime vertical circle when the latitude is numerically （）.
When making landfall at night，you can determine if a light is a major light or an offshore buoy by（）.
（） is a defined area within which ships must use particular caution and should follow the recommended direction of traffic flow.
When entering a channel from seaward，the numbers on buoys（）.
The equator is（）.
（） is not likely to be a methods of Traffic Separation.
What is a lighted safe water mark fitted with to aid in its identification（）.