French and Brazilian navy ships continue collecting debris and found the tail fin of Air France Flight 447 which could provide clues why the Airbus 330 crashed on the night of May 31st and caused death of the 228 passengers.

While rescuer’s top priority is to retrieve the bodies and next is to launch an intensive search for the black boxes which digitally record the cockpit conversations and flight data.

According to France Air Accident Agency, the possible source of Airbus 330 accident is the speed sensors of the plane that provides discrepancy speed data during a severe icing condition.