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...the plane was en route from Columbia to Colorado Springs, Colo. when it was forced down around 11:15 a.m. at Charlotte/Douglas International Airport.<<<Charlotte is due north of Columbia S. C. - hardly on a flight path to Colorado Springs which would be almost due West.
Not a good idea to violate your flight plan on september 10, 2002!!
they were diverted to CLT... not flying that way... they had a refuel stop in Columbia dont know their point of origin