A.longitude line
B.latitude line
C.line of position
D.fix
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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
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
最新試題
Which of the following are data layer categories to be displayed on ECDIS（）．
You should plot your dead reckoning position（）.
You have been informed that dredging operations may be underway in your vicinity.Which buoy indicates the dredging area（）.
When navigating a vessel，you（）.
（） is a defined area within which ships must use particular caution and should follow the recommended direction of traffic flow.
The four standard light colors used for lighted aids to navigation are red，green，white，and （）.
When making landfall at night，you can determine if a light is a major light or an offshore buoy by（）.
When latitude and longitude are used，these shall be expressed in（）（and decimals of a minute if necessary），north or south of the Equator and east or west of Greenwich.
You determine your vessel’s position by taking a range and bearing to a buoy.Your position will be plotted as a（n）（）.
On a chart，the characteristic of the light on a lighthouse is shown as flashing white with a red sector.The red sector（）.