Sikorsky Aircraft and soon increased prize money to US$25,000. In 2010, Sikorsky Aircraft pledged to increase the prize sponsorship to US$250,000. The Canadian engineers Dr. Todd Reichert and Cameron Robertson developed the world's largest ever human powered helicopter with a team from the [[University of Toronto]]. The first flight of AeroVelo Atlas was achieved in August 2012, the 64-second, 3.3-m-flight that won the prize on June 13, 2013. Sikorsky designates nearly all of its models with S-numbers; numbers S-1 through S-27 were designed by [[Igor Sikorsky]] in the Russian Empire. Later models, especially helicopters, received multiple designations by the military services using
Sikorsky Memorial Airport Sikorsky Memorial Airport Igor I. Sikorsky Memorial Airport is a public airport in Fairfield County, Connecticut, owned by the city of Bridgeport. It is three miles (6 km) southeast of downtown, in the town of Stratford. It was formerly "Bridgeport Municipal Airport". It is included in the Federal Aviation Administration (FAA) National Plan of Integrated Airport Systems for 2017–2021, in which it is categorized as a national general aviation facility. It has three Fixed-Base Operators (FBO's) and several private hangars. In 2016, Tailwind Air Service initiated seaplane service between Sikorsky and the New York Skyports Seaplane Base in central Manhattan.