MDA为450ft,机场标高50ft,对应CDFA进近3度下滑角的VDP距跑道头的水平距离为?MDA is 450ft,airp

MDA为450ft,机场标高50ft,对应CDFA进近3度下滑角的VDP距跑道头的水平距离为?MDA is 450ft,airport elevation is 50ft,what is the corresponding distance between VDP and threshold when the glide angle is 3°.

A.1.33NM

B.1.17NM

C.1.5NM

正确答案是A