“Contact 121.3 when _______” means that the pilot should contact

分类: 执照英语题 发布时间: 2023-12-01 12:13 浏览量: 1

“Contact 121.3 when _______” means that the pilot should contact 121.3 after departure.

A.ready

B.airborne

C.take off

D.departure

正确答案是B