The minimum safety altitude for IFR flight refers to the highest

分类: 执照英语题 发布时间: 2023-12-01 12:13 浏览量: 0

The minimum safety altitude for IFR flight refers to the highest point 25km along each side of the airway. MSA should not be below _______ m in plain areas.

A.300

B.400

C.500

D.600

正确答案是B