New submitter drunkdrone writes: "French authorities investigating the EgyptAir crash that killed 66 people last year believe that the plane may have been brought down by an overheating phone battery," reports International Business Times. Investigators say the fire that broke out on the Airbus A320 in May 2016 started in the spot where the co-pilot had stowed his iPad and iPhone 6S, which he placed on top of the instrument panel in the plane's cockpit. From the report: "EgyptAir flight MS804 was traveling from Paris to Cairo when it disappeared from radar on 19 May 2016. Egyptian investigators have speculated that the crash, which killed all 56 passengers, seven crew members and three security personnel on board, was caused by an act of terrorism due to traces of explosives reported to be found on some the victims. Investigators in France have disputed these claims, saying that data recorded from the aircraft around the time it disappeared points to an accidental fire on the right-hand side of the flight deck, next to the co-pilot. According to The Times, CCTV pulled from cameras at Paris' Charles de Gualle airport show that the co-pilot stored a number of personal items above the dashboard, where the first signs of trouble were detected. This included an automated alert indicating a series of malfunctions on the right-hand flight deck window, followed by smoke alerts going off in a toilet and in the avionics area below the cockpit, minutes before the plane vanished."