Igor I. Sikorsky Human Powered Helicopter Competition less than 9.8 meters. AHS International awarded AeroVelo the prize July 11th, after its Helicopter Competition Committee reviewed the flight data. Igor I. Sikorsky Human Powered Helicopter Competition The Igor I. Sikorsky Human Powered Helicopter Competition was established in 1980 by the American Helicopter Society (AHS) International. The award, the AHS Sikorsky Prize, was given for the first human powered helicopter (HPH) to meet a set of extremely challenging flight requirements. 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
Sikorsky S-12 Sikorsky S-12 The Sikorsky S-12 was a Russian single engine trainer aircraft completed in the spring of 1913 by the Russian Baltic Railroad Car Works while Igor Sikorsky was the chief engineer of the aircraft manufacturing division. The S-12 was a single seat mid-wing monoplane with wire-braced wings and powered by a Gnome Lambda air-cooled rotary engine rated at . It was smaller and lighter than the S-11 on which it was based, and was specifically designed to be highly maneuverable. The S-12 was the most successful monoplane Sikorsky designed during his time in Russia and twelve examples were produced.