單項(xiàng)選擇題

A pilot vessel may continue to sound an identity signal if she is （）.

A.underway，but not making way
B.aground
C.being towed
D.not engaged in pilotage duty

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A navigator fixing a vessel’s position by radar （）.

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

單項(xiàng)選擇題

A line of position derived by radar range from an identified point on a coast will be a(n) （）.

A.straight line
B.arc
C.parabola
D.line parallel to the coast

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A pilot vessel may continue to sound an identity signal if she is （）.

你可能感興趣的試題

A navigator fixing a vessel’s position by radar （）.

A line of position derived by radar range from an identified point on a coast will be a(n) （）.