Sikorsky Aircraft Sikorsky Aircraft The Sikorsky Aircraft Corporation is an American aircraft manufacturer based in Stratford, Connecticut. It was established by Igor Sikorsky in 1923 and was among the first companies to manufacture helicopters for civilian and military use. Previously owned by United Technologies Corporation (UTC), in November 2015 Sikorsky was sold to Lockheed Martin. On May 23, 1923, the "Sikorsky Aero Engineering Corporation" was founded near Roosevelt Field by Igor Sikorsky, an immigrant to the United States who was born in Kiev. In 1925 the company name was changed to "Sikorsky Manufacturing Company". In 1929 the company moved to [[Stratford, Connecticut]],
Sikorsky (crater) named after Igor Sikorsky, a Russian-American aviation pioneer. By convention these features are identified on lunar maps by placing the letter on the side of the crater midpoint that is closest to Sikorsky. Sikorsky (crater) Sikorsky is a crater on the far side of the Moon. It is situated behind the southeastern limb of the Moon, just out of sight from the Earth. It lies to the northwest of the huge walled plain Schrödinger. To the northwest is the smaller crater Moulton. In 1967 the Lunar Orbiter 4 photographed this region in high resolution, discovering a 310-km-long gouge cutting through