On Sun, 31 May 1998 17:40:22 -0500 (CDT) "Brian K. Michalk" <michalk@awpi.com> writes: >Question: >How did the autopilot know when to flare? Did it key off of >altitude, or the glideslope signal? Brian, Off of the glide slope. Once passage of the antenna is made, the needle goes full up momentarily. Martin