International Miniature Aerobatic Club (IMAC) is a member supported, non-profit organization dedicated to the promotion of RC scale aerobatic   competition.  IMAC is recognized as the scale aerobatics special interest group (SIG) of the Academy of Model Aeronautics (AMA), the official national body for model aviation in the United States.   IMAC is also the largest scale aerobatic group in the world with members in all 50 US States and over 12 other countries (and growing).

Whether you're a novice competitive pilot or a ex-TOC hotshot, you belong in IMAC. To be an IMAC member costs only $20 (US) annually, which allows you to stay connected to the world of IMAC 24 hours a day.

All registered users of IMAC On-Line! can join or renew their IMAC membership quickly and conveniently on-line. Our on-line membership process uses Paypal which is absolutely FREE and totally SECURE.

You may also download a membership form (PDF) and follow the form instructions to mail in your membership information.