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
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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
A.Admiralty Sailing Directions
B.Admiralty List of Lights
C.Admiralty List of Signals
D.Admiralty Notices to Mariners
最新試題
On a voyage from Halifax,N.S.,to Dakar,West Africa,the Canary Current will （）.
Areas enclosed by a long and short dashed magenta line indicate （）.
For full information regarding the current circulation of the Indian Ocean,（） Sailing Direction,Current Atlas,etc.
The height of eye correction is smaller than geometrical dip because of （）.
Attention is called to the fact that in many cases pipelines are not （） and charted depths may be decreased by up to 2 meters．
A vessel not to impede the passage of another vessel is not relieved （） taking collision-avoiding action.
The distance between any two meridians measured along a parallel of latitude and expressed in miles is the （）.
Attention is called to the fact that in many cases charted depths may be decreased by up to （）.
The distance between any two meridians measured along a parallel of latitude （）.
In Admiralty Sailing Directions，bands is the word used to indicate（）marking．