Igor Sikorsky On June 27, 1931, Sikorsky filed for a patent for another "direct lift aircraft", and was awarded patent No. 1,994,488 on March 19, 1935. His design plans eventually culminated in the first (tethered) flight of the Vought-Sikorsky VS-300 on September 14, 1939, with the first free flight occurring eight months later on May 24, 1940. Sikorsky's success with the VS-300 led to the R-4, which became the world's first mass-produced helicopter, in 1942. Sikorsky's final VS-300 rotor configuration, comprising a single main rotor and a single antitorque tail rotor, has proven to be one of the most popular helicopter configurations,
Sikorsky S-38 the Sikorsky Manufacturing Corporation of Long Island, New York, and by the Sikorsky Aviation Corporation in Bridgeport, Connecticut. Sikorsky was acquired by United Aircraft and Transport Corporation in mid-production. Some famous owners include: During the 1990s two reproduction S-38s were built by the late Buzz Kaplan’s “Born Again Restorations,” of Owatonna, Minnesota. One was produced for Samuel Curtis Johnson Jr., the son of Herbert Fisk Johnson, to recreate his fathers flight, which he completed in 1998. the plane is suspended from the ceiling of Fortaleza Hall in the S. C. Johnson & Son company headquarters in Racine, Wisconsin . The