CNN Anderson Cooper 360 March 12, 2014 04:32:00
From ignition of the flammable fuel air mixture in the tank. >> reporter: another great mystery, u.s. air flight 427. it left chicago's o'hare international airport on september 8, 1994, bound for pittsburgh. just six miles out while passing through the jet stream of another plane, flight 427 began to shake. it rolled upside down, spiralling 300 miles per hour toward the ground. 132 passengers and crew were killed. >> it involved two full public hearings and several million dollars worth of testing trying to duplicate the failure. the findings were never 100% conclusive because they couldn't d...