Academy of Model Aeronautics

The Academy of Model Aeronautics (AMA), based in Muncie, Indiana, United States at 40°10′36.25″N 85°19′32.19″W, is a non-profit organization dedicated to the promotion of model aviation as a recognized sport as well as a recreational activity. It is the largest organization of its kind with a current membership of approximately 195,000 members, with nearly 57,000 of these being youth members under 19 years of age.

Source: Wikipedia — Academy of Model Aeronautics (CC BY-SA 4.0)