Based in Mentone, Indiana, USA at the PRA Mentone Airport, PRA was
started in 1962 by Igor Bensen, the inventor of the famous Bensen
Gyrocopter. Since then it has grown to include rotorcraft of all
sorts with members in over 80 countries. These rotorcraft
enthusiasts get together to exchange ideas, information, help one
another, promote safety and help with flight training.