A.dead-reckoning position
B.fix
C.probable position
D.running fix
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A.a line connecting two charted objects
B.a line on some point of which the vessel may be presumed to be located
C.the position of your vessel
D.not used in a running fix
A.longitude line
B.latitude line
C.line of position
D.fix
A.red
B.yellow
C.with red and white vertical stripes
D.with a distinct color and pattern unique to each buoy
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
最新試題
When using horizontal sextant angles of three objects to fix your position，an indeterminate position will result in which situation（）.
The four standard light colors used for lighted aids to navigation are red，green，white，and （）.
When approaching a preferred-channel buoy，the best channel is NOT indicated by the（）.
In very high latitudes，the most practical chart projection is the（）.
Which of the following are data layer categories to be displayed on ECDIS（）．
What describes a flood current（）.
（） is a circular traffic lane used at junctions of several routes，within which traffic moves counterclockwise around a separation point or zone.
Traffic separation schemes adopted by the IMO are listed in（）.
Which buoy will NOT display white retro reflective material（）.
Depiction of TSS's on charts uses（）as the primary color.