If you've seen the popular Discovery Channel Show "Curiousity",  it would explain why the TV show arrainged for a Boeing 727 airliner to 'crash' on purpose in the Sonoran desert in Mexico!

The show explores a variety of topics, from what if you could live forever, to what would happen if aliens actually attacker earth?   For an upcoming episode, Discovery "Curious" producers wanted to attempt to get  a definite answer to the question, 'could passengers feasibly survive a plane crash?' 

 No details on how the study went, but here is a clip of the unmanned plane coming down to earth.  The pilot safety ejected moments before the crash.