What organization certified Santos-Dumont's heavier-than-air flights?
FAI
Aeroclub of France
NASA
RAF
Answer
The Aeroclub of France certified Santos-Dumont's heavier-than-air flights. These were the first such flights officially witnessed by an aeronautics recordkeeping body and recognized by the Fédération Aéronautique Internationale.
Up, Up, and Away: Soaring High with Alberto Santos-Dumont – The Brazilian Aviation Pioneer!