A.you should stay to the north or east of the buoy
B.you should stay to the west or south of the buoy
C.the buoy is a major lighted buoy
D.nothing special for navigational purposes
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A.magnetic equator
B.magnetic longitude reference line
C.points where there is no variation
D.points where there is no annual change in variation
A.prevailing wind directions
B.prevailing ocean current directions
C.probable surface current flow
D.shortest great circle routes
A.conspicuous object
B.steep depression in the surrounding hills that resembles a cup
C.domed structure useful for navigation
D.calling-up-point used for traffic control
A.published with
B.combined with
C.in connection with
D.subject to
A.with
B.from
C.on
D.by
最新試題
The description Racon beside an illustration on a chart would mean a ().
Which aid is NOT marked on a chart with a magenta circle? ()
What is NOT an advantage of the rhumb line track over a great circle track? ()
That the scale of any part of a chart to be larger than the scale of the survey is().
The path that a vessel is expected to follow,represented on a chart by a line drawn from the point of departure to the point of arrival,is the().
What information is NOT found in the chart title? ()
The short-long dashed magenta line around Gardiners Island marks().
On chart,bearings to near objects should be used in preference to objects farther off,because().
The revision date of a chart is printed on which area of the chart? ()
()is not a position-fixing system.