The Boac Boeing 707-436 Registered G-Arwe During an Emergency Crash Landing on Runway 05 at Heathrow, the Number 2 Engine Fell Off after Take Off from Heathrow on Flight Ba712 to Zurich. 38 People Were Treated for Injuries and 5 Died. the Engine Problem Was Due to Low Pressure Compressor Failure. the Entire Flight Lasted 3 Minutes and 12 Seconds.