South Coast - I agree entirely; many of the people who espouse this method still don't do it properly, not least because that would give pretty hefty performance penalties at many airports which is terribly inconvenient...
Certainly on the AOC side, though, in the 6 years since I wrote that proper analysis using FlygP or APG has become much more widespread.
Minor point of order, Bizjetjock
ey is some young upstart who chose his name a good five years after I started posting here.