 The aircraft took off from Burbank Airport for Las Vegas, Nevada, where the aircraft was to be formally turned over to Northwest Airlines, and then it was to be flown to St. Paul, Minnesota to the airline's headquarters.The plane was flying in fog above the Mint Canyon when it crashed at 3,300 feet in the Sierra Pelona Mountains, 27 minutes after taking off from Burbank.All seven passengers on board, including a three-year-old boy and an infant girl, were killed instantly.