The FAI World Aerobatic Championships (WAC) is a competition in sport aviation organized by CIVA, the aerobatic commission of the Fédération Aéronautique Internationale, the world air sports federation.

The Fédération aéronautique internationale is the world governing body for air sports, and also stewards definitions regarding human spaceflight. It was founded on 14 October 1905, and is headquartered in Lausanne, Switzerland. It maintains world records for aeronautical activities, including ballooning, aeromodeling, and unmanned aerial vehicles (drones), as well as flights into space.