Originally Posted by
Ewfflyer
I'd say it's best to always be conservative, and use the worst-case values. And really, even in visual landing conditions, most operators I've seen land on the slope, using it or not.
That's what I think as well. Just wondering what the legal "FAA" answer is.

However, it probably is like most things and depends on the FSDO, POI, region, time of year, airport and who you ask.
Thanks for your reply.