American Institute of Aeronautics and Astronautics
In preparation of the centenary of flight this site contains information of the history of flight. Includes a timeline of the development of flight and a section on the development of helicopter flight.
The First Flight Centennial Foundation
Formed in North Carolina to commemorate the 100th anniversary of the Wright brothers' first flight, located at RDU airport, Raleigh, North Carolina.
U.S. Centennial of Flight Commission
Calendar of events, historical essays, image galleries.