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
您可能感興趣的試卷
你可能感興趣的試題
A.longitude line
B.latitude line
C.line of position
D.fix
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
最新試題
What describes a flood current（）.
When using a buoy as an aid to navigation which of the following should be considered?（）
When entering from seaward，a buoy displaying a single-flashing red light would indicate （）.
When a buoy marks a channel bifurcation，the preferred channel is NOT indicated by（）.
In very high latitudes，the most practical chart projection is the（）.
Depiction of TSS's on charts uses（）as the primary color.
You have been informed that dredging operations may be underway in your vicinity.Which buoy indicates the dredging area（）.
What is a lighted safe water mark fitted with to aid in its identification（）.
What area of the earth cannot be shown on a standard Mercator chart（）.
Restricted areas at locks and dams are indicated by（）.