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  #64  
Old July 22nd 05, 07:29 PM
Roger
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Just look at the NOS charts. Categories are based on IAS. It tells
you that.

When flying to the MAP from the FAF you have the distance given and
can often use GPS, or DME for the distance to the MAP, but you still
have a time to calculate time (or take it off a chart) and that is
based on a distance which has to be based on ground speed.

They come right out and tell you. It doesn't get much more simple than
that.

Roger Halstead (K8RI & ARRL life member)
(N833R, S# CD-2 Worlds oldest Debonair)
www.rogerhalstead.com