PPRuNe Forums - View Single Post - Why 3 degrees for ILS ?
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Old 1st Jul 2001, 03:18
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mstram
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Why 3 degrees for ILS ?

How was 3 degrees chosen for the glideslope angle for most ILS's ?

As this is around 500-700 fpm for most planes, if this was a factor ... then why 500-700 fpm ?

Mike