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
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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
A.north side of the mark
B.west side of the mark
C.east side of the mark
D.south side of the mark
A.left-side buoy
B.right-side buoy
C.a buoy of safety
D.a buoy of danger
A.anchorage area
B.fish net area
C.bifurcation
D.dredging area
A.white light FL (2) and a topmark of 2 black spheres
B.occulting green light and may be lettered
C.yellow light and will be numbered
D.continuous quick white light and may be numbered
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What is an ebb current（）.
You determine your vessel’s position by taking a range and bearing to a buoy.Your position will be plotted as a（n）（）.
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.
Depiction of TSS's on charts uses（）as the primary color.
In very high latitudes，the most practical chart projection is the（）.
The recording fathometer produces a graphic record of the（）.
You have been informed that dredging operations may be underway in your vicinity.Which buoy indicates the dredging area（）.
You should plot your dead reckoning position（）.
What describes a flood current（）.
What is a lighted safe water mark fitted with to aid in its identification（）.