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-10 by another 3050 mm and the Gnome engine was replaced by a stronger Monosoupape engine, the S-10 served as both a reconnaissance and trainer on floats with the Baltic Fleet. Russian test pilot Gleb Alekhnovich set a Russian record by flying non-stop 500 km in 4 hours 56 minutes and 12 seconds with the S-10. Data from "History of aircraft construction in the USSR". Sikorsky S-10 The Sikorsky S-10 was a Russian Empiren military twin-float seaplane that served with the Baltic Fleet from the summer of 1913 to 1915. After Igor Sikorsky built the successful Sikorsky S-6 for the Russian