单项选择题
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
单项选择题 The principal purpose of adjustment of the magnetic compass is to eliminate（）as far as possible.
单项选择题 （）the repeater compass with the master compass，please.
单项选择题 My gyro-compass error is（）.
