飞行前准备，当地机场已知标高和高度表显示高度之间的差值不得超过? How many meters should the difference between the local airport elevation and the indication on altimeter not be exceed during before flight procedure?
A.75英尺 75ft
B.50英尺 50ft
C.25英尺 25ft
正确答案是A
飞行前准备，当地机场已知标高和高度表显示高度之间的差值不得超过? How many meters should the difference between the local airport elevation and the indication on altimeter not be exceed during before flight procedure?
A.75英尺 75ft
B.50英尺 50ft
C.25英尺 25ft
正确答案是A