The 727 that vanished without a trace in 2003
http://boingboing.net/2014/03/11/the-727-that-vanished-without.html
I remember this...
American took the plane to avoid repo, or as a repo, if I remember right.
Inexperienced pilot in way over his ability, in a complicated airplane, a sure recipe for disaster. They likely went down in the deep jungle near South Africa, or somewhere around the Seychelles.