A.underway，but not making way
B.aground
C.being towed
D.not engaged in pilotage duty
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A.should never use radar bearings
B.should only use radar bearings when the range exceeds the distance to the horizon
C.can use radar information from one object to fix the position
D.must use information from targets forward of the beam
A.straight line
B.arc
C.parabola
D.line parallel to the coast
A.one sidelight and the masthead light are visible
B.the vessels will pass closer than half a mile
C.both vessels sound one prolonged blast
D.both sidelights and masthead light(s) are visible
A.required navigation lights
B.lifesaving equipment standards
C.casualty reporting procedures
D.currents in various locations
A.Tidal Current Tables
B.Tide Tables
C.American Practical Navigator
D.Sailing Directions
最新試題
Attention is called to the fact that in many cases charted depths may be decreased by up to （）.
On a voyage from Halifax,N.S.,to Dakar,West Africa,the Canary Current will （）.
Clearances of bridges and overhead cables below Bonneville Dam refer to heights in feet above mean （）.
In Admiralty Sailing Directions，bands is the word used to indicate（）marking．
A pilot vessel on pilotage duty shall show identity lights （）.
The distance between any two meridians measured along a parallel of latitude （）.
A pilot vessel on pilotage duty at night will show sidelights and a sternlight （）.
During daylight savings time the meridian used for determining the time is located farther （）.
During a period of whiteout，you should expect which of the following（）.
The period at high or low tide during which there is no change in the height of the water is called the （）.