更多"[单选题] The recording fathometer prod"的相关试题:
[单选题]How to manual erasure recording of cockpit voice recorder?话音记录器的抹音( )
A.It is used for manual erasure of recording,on ground only with engines stopped and parking breake "ON"仅在地面发动机停车和停留刹车“ON”时人工抹除
B.In flight or on ground,"ERASE" pushbutton switch must be pressed for at least two seconds.空中或地面,压下控制板上的抹音钮2秒以上
C.On ground and the CVR has to be energized.只要在地面,且CVR在通电状态
[单选题] When recording the wind direction in the weather log,you would report the ______.
A. direction the wind is blowing toward
B. direction the wind is blowing from
C. duration of the maximum gust of wind
D. wind chill factor