Multiple choice

A white on white indication in a standard VASI depicts which of the following flight conditions?

  1. Above glide slope

  2. Below glide slope

  3. Off the center-line

  4. On the extended center-line

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

In a standard 2-bar VASI system, white-on-white means you're significantly above the glide slope. You need to descend to get back on the proper approach path. If you saw red-on-white, you'd be on the glide slope. Red-on-red means you're too low and need to climb.