The black box is the indispensable ingredient of any flying machine. Its decoding enables to get full information about the technical state of the crashed airplane.
The first plane crash took place in 1934 in Australia. The father of the nine-year-old David was on the board, too. Years later the accident made the boy become an engineer and create a device that would record the talks of pilots and dispatchers, as well as other data of the airplane.
More in the video
