A.interrupted quick flashing
B.composite group flashing
C.Morse (A)
D.quick flashing
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A.with part of it extending above the water
B.that can be detected by water turbulence
C.that drops off sharply
D.perpendicular to the current
A.Great Circle
B.Position Line
C.Rhumb line
D.True Bearing
A.dead reckoning
B.dead weight
C.dead slow ahead
D.dead slow astern
A.difference between the true course and the compass course
B.momentum of a vessel after her engines have been stopped
C.lateral movement of a vessel downwind of her intended course
D.displacement of a vessel multiplied by her speed
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You determine your vessel’s position by taking a range and bearing to a buoy.Your position will be plotted as a（n）（）.
In very high latitudes，the most practical chart projection is the（）.
The recording fathometer produces a graphic record of the（）.
When a buoy marks a channel bifurcation，the preferred channel is NOT indicated by（）.
What is a lighted safe water mark fitted with to aid in its identification（）.
Which position includes the effects of wind and current（）.
How would you pass a red buoy in the maritime buoyage system“A” （）.
Which of the following are data layer categories to be displayed on ECDIS（）．
When using a buoy as an aid to navigation which of the following should be considered?（）
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.