A below glide slope indication from a two-bar VASI is _______ .
A.one red light bar over a white light bar
B.two white light bars
C.two red light bars
D.one white light bar over a red light bar
正确答案是C
A below glide slope indication from a two-bar VASI is _______ .
A.one red light bar over a white light bar
B.two white light bars
C.two red light bars
D.one white light bar over a red light bar
正确答案是C