PPRuNe Forums - View Single Post - Is WAAS Accuracy Superior To ILS?

21st Jun 2012, 20:28

#37 (permalink)

FlightPathOBN

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Actually, that is not correct. Two straight ins do not make an overlay.

The approach surfaces, obstacle surfaces, splays, etc, and about everything else is different.

Now if you say the WAAS is an ILS overlay, then that has some commonality.