A.red
B.yellow
C.with red and white vertical stripes
D.with a distinct color and pattern unique to each buoy
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A.dead reckoning
B.Pilotage
C.great circle sailing
D.geographic navigation
A.must utilize magnetic courses
B.must take set and drift into account
C.should be replotted hourly
D.should be started each time the vessel's position is fixed
A.ignores the effect of surface currents
B.is most useful when in sight of land
C.must be plotted using magnetic courses
D.may be started at an assumed position
A.north side of the mark
B.west side of the mark
C.east side of the mark
D.south side of the mark
A.left-side buoy
B.right-side buoy
C.a buoy of safety
D.a buoy of danger
最新試題
Which buoy will NOT display white retro reflective material（）.
Which statement concerning current is TRUE（）.
How would you pass a red buoy in the maritime buoyage system“A” （）.
What describes a flood current（）.
（） is not likely to be a methods of Traffic Separation.
Traffic separation schemes adopted by the IMO are listed in（）.
（） is a circular traffic lane used at junctions of several routes，within which traffic moves counterclockwise around a separation point or zone.
When using horizontal sextant angles of three objects to fix your position，an indeterminate position will result in which situation（）.
A celestial body will cross the prime vertical circle when the latitude is numerically （）.
（） is a defined area within which ships must use particular caution and should follow the recommended direction of traffic flow.