The secrets of the black box
Time is running out in the search for the flight recorders from Malaysia Airlines flight MH370 that could shed light on the plane's fate. But how does the technology work, can it be improved upon – and should the last words of aircraft crew be published?
On the night of 1 June 2009, Air France flight 447 from Rio de Janeiro to Paris went missing with 216 passengers and 12 crew on board. The Airbus A330-200 disappeared mid-ocean in equatorial waters, beyond radar coverage. For five days, the plane's fate was a mystery
On the night of 1 June 2009, Air France flight 447 from Rio de Janeiro to Paris went missing with 216 passengers and 12 crew on board. The Airbus A330-200 disappeared mid-ocean in equatorial waters, beyond radar coverage. For five days, the plane's fate was a mystery 
