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 Ilya Muromets washroom on board. During World War I, it became the first four-engine bomber to equip a dedicated strategic bombing unit. This heavy bomber was unrivaled in the early stages of the war, as the Central Powers had no aircraft capable enough to rival it until much later. The Ilya Muromets (Sikorsky S-22) was designed and constructed by Igor Sikorsky at the Russo-Baltic Carriage Factory (RBVZ) in Saint Petersburg in 1913. It was based on his earlier S-21 "Russky Vityaz", which started out as the twin-engined "Le Grand", then as the twin tandem-engined "Bolshoi Baltisky" before placing all four of the