 In summary, the requirements to win the AHS Sikorsky Prize included a flight duration of 60 seconds and reaching an altitude of , with the center point of the aircraft hovering over a square.In 2013, 33 years after the competition was established, the award was officially declared won when AeroVelo's Atlas human-powered helicopter conducted a flight that met all the requirements of the AHS International competition, and received the $250,000 prize.In the history of the prize, dozens of teams have designed and built human-powered helicopters, although few have made it airborne.