At just after half past 1 in the morning on the 1st of June 2009, An Airbus A330-203 cruises at 35,000 feet above the Southern Atlantic Ocean. On board are 216 passengers and 12 crew members. What has begun as a routine flight across the Atlantic Ocean will become one of the most lengthy and complex air accident investigations in history. You are listening to Inside The Black Box. This is the story of Air France Flight 447.