Sikorsky Aircraft and it became a part of [[United Aircraft and Transport Corporation]] (now [[United Technologies Corporation]]) in July of that year. [[File:Sikorsky Aircraft Corporation ad Model S-42 Clipper Flying Boat 1937.jpg|thumb|left|upright|Advertisement for [[Sikorsky S-42]] Clipper flying boat from 1937]] In the United States, Igor Sikorsky originally concentrated on the development of multi-engined landplanes and then amphibious aircraft. In the late 1930s, sales declined and United Aircraft merged his division with [[Vought Aircraft]]. He then began work on developing a practical helicopter. After first flying the [[VS-300]] he developed the [[Sikorsky R-4]], the first stable, single-rotor, fully controllable [[helicopter]] to enter full-scale
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.