Mystery deepens as Korean plane's black box stopped working 4 minutes before crash
Black boxes can be damaged by impact, fire or prolonged exposure to deep water. But it is hard to explain how the Jeju Air black box failed to record in its last four minutes. 179 people were killed in the plane crash last month
Black boxes can be damaged by impact, fire or prolonged exposure to deep water. But it is hard to explain how the Jeju Air black box failed to record in its last four minutes. 179 people were killed in the plane crash last month
