Mayday: Air DisasterJAL Flight 123's steering system stops working 12 minutes after takeoff, causing the plane to crash into the side of a mountain and kill 520 people in 1985.
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Now PlayingMayday: Air DisasterJAL Flight 123's steering system stops working 12 minutes after takeoff, causing the plane to crash into the side of a mountain and kill 520 people in 1985.0Mayday: Air DisasterA FedEx flight out of Memphis descended into chaos when a surprise attack by a disgruntled employee threatened the lives of all on board.