申请A类飞行教员执照更新需要多少小时监视飞行的经历？ How many monitor hours does level A instructor license renew requirement?
A.50
B.80
C.100
正确答案是A
申请A类飞行教员执照更新需要多少小时监视飞行的经历？ How many monitor hours does level A instructor license renew requirement?
A.50
B.80
C.100
正确答案是A