"In 1984, NASA and the Federal Aviation Administration (FAA) teamed up for a flight experiment called the Controlled Impact Demonstration (CID). The project's goal was to crash a Boeing 720 airliner ... On December 1, 1984 ... the old Boeing jet, flown remotely by a Dryden pilot ... was crashed onto the specially prepared area of the lake bed ... "

http://www.spike.com/video/how-to-crash-boeing/2891900