How long do they need? I think 2500-3000 feet would not be enough to land
in marginal weather conditions.
I will have to contact the foremost expert on all facets of aviation, the
one and only Bill Mulcahy, again.
He reports objectively, just like Fox News. Here is a sample: "Plane
Death Dive Rattles Home."
http://pages.prodigy.net/rockaway/newsletter376.htm