A.estimated position
B.fix
C.running fix
D.dead-reckoning position
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A.dead reckoning position
B.estimated position
C.fix
D.None of the above
A.running fix
B.dead-reckoning position
C.fix
D.estimated position
A.dead-reckoning position
B.fix
C.probable position
D.running fix
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
最新試題
How would you pass a red buoy in the maritime buoyage system“A” （）.
When entering a channel from seaward，the numbers on buoys（）.
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（）.
（） is a defined area within which ships must use particular caution and should follow the recommended direction of traffic flow.
The points on the earth’s surface where the magnetic dip is 90° are（）.
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.
When using horizontal sextant angles of three objects to fix your position，an indeterminate position will result in which situation（）.
What is a lighted safe water mark fitted with to aid in its identification（）.
When using a buoy as an aid to navigation which of the following should be considered?（）