A.true north
B.magnetic north
C.the vessel's beam
D.the vessel's head
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A.estimated position
B.fix
C.running fix
D.dead-reckoning position
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
最新試題
When navigating a vessel，you（）.
When a buoy marks a channel bifurcation，the preferred channel is NOT indicated by（）.
Which buoy will NOT display white retro reflective material（）.
On a chart，the characteristic of the light on a lighthouse is shown as flashing white with a red sector.The red sector（）.
The recording fathometer produces a graphic record of the（）.
When using horizontal sextant angles of three objects to fix your position，an indeterminate position will result in which situation（）.
A celestial body will cross the prime vertical circle when the latitude is numerically （）.
The four standard light colors used for lighted aids to navigation are red，green，white，and （）.
The points on the earth’s surface where the magnetic dip is 90° are（）.
You have been informed that dredging operations may be underway in your vicinity.Which buoy indicates the dredging area（）.