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
What describes a flood current（）.
Depiction of TSS's on charts uses（）as the primary color.
Which statement concerning current is TRUE（）.
Traffic separation schemes adopted by the IMO are listed in（）.
（） is not likely to be a methods of Traffic Separation.
What is a lighted safe water mark fitted with to aid in its identification（）.
What is an ebb current（）.
When making landfall at night，you can determine if a light is a major light or an offshore buoy by（）.
The points on the earth’s surface where the magnetic dip is 90° are（）.
When using horizontal sextant angles of three objects to fix your position，an indeterminate position will result in which situation（）.