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
Which of the following are data layer categories to be displayed on ECDIS（）．
On a chart，the characteristic of the light on a lighthouse is shown as flashing white with a red sector.The red sector（）.
Restricted areas at locks and dams are indicated by（）.
When making landfall at night，you can determine if a light is a major light or an offshore buoy by（）.
The points on the earth’s surface where the magnetic dip is 90° are（）.
Which statement concerning current is TRUE（）.
You have been informed that dredging operations may be underway in your vicinity.Which buoy indicates the dredging area（）.
Traffic separation schemes adopted by the IMO are listed in（）.
You determine your vessel’s position by taking a range and bearing to a buoy.Your position will be plotted as a（n）（）.
The time required for a lighted aid to complete a full cycle of light changes is listed in the Light List as the（）.