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單項(xiàng)選擇題

Magnetic heading differs from compass heading by（）.

A.compass error
B.true heading
C.variation
D.deviation

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單項(xiàng)選擇題

My gyro-compass（）is two degrees east.

A.trouble
B.error
C.wrong
D.mistake

單項(xiàng)選擇題

Your ship is steaming at night with the gyropilot engaged. You notice that the vessel’s course is slowly changing to the right. Which action should you take FIRST?（）.

A.Notify the engine room of the steering malfunction
B.Change to hand steering
C.Call the Master
D.Send the Quartermaster to the emergency steering station