Eastbound overflight shall accept flight level 37000ft or about at 14000E if traffic situation requires. (14000E means _______ )
A.time
B.site
C.altitude
D.FL
正确答案是D
Eastbound overflight shall accept flight level 37000ft or about at 14000E if traffic situation requires. (14000E means _______ )
A.time
B.site
C.altitude
D.FL
正确答案是D