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Thread: Touchdown Point on ILS: how does FOQA do it?
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Old 5th June 2006 | 07:56
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TruBlu351
 
Joined: Apr 2005
Posts: 209
Likes: 6
From: Australia
On a 3* glideslope, mulitply your actual or published TCH (threshold crossing height) by 20 and that's your touchdown point in feet.

ie: 50ft TCH x 20 = TD on the 1000ft mkrs. (+ any extra for greasing it on in ground effect)
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