Robinson Helicopter R22
@San Carlos Airport, San Carlos, CA
This was an early morning arrival to the Vertical Challenge helicopter airshow put on by the Hiller Aviation Museum. The two-seat, piston engined R22 was designed in 1973 by Frank Robinson and has been in production since 1979. The R22 has been popular as a primary rotorcraft trainer around the world. Close to 4500 have been delivered.