The Academy of Model Aeronautics (AMA), based in Muncie, Indiana, United States at 40°10′36.25″N 85°19′32.19″W / 40.1767361°N 85.3256083°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.