Original: The Wright brothers ' December 17 , 1903 flight is recognized by the Fédération Aéronautique Internationale , the standard setting and record-keeping body for aeronautics and astronautics , as '' the first sustained and controlled heavier-than-air powered flight '' .
Simplified: The Fédération Aéronautique Internationale is the standard setting and record-keeping body for aeronautics and astronautics worldwide .