black box

Officials have said pilot error or a technical fault were most likely to blame for the tragedy.
The move comes after a fatal crash involving a Tesla in Autopilot mode.
The plane crashed into the Mediterranean en route from Paris to Cairo in May, killing all 66 people on board.
With a black box, experts can pretty much recreate a whole flight.
Search teams have been looking for the downed plane since it crashed with 66 people on board.
The first clues as to what happened on board Flight MS804.