The Schweizer Aircraft Corporation is a manufacturer of sailplanes agricultural aircraft and helicopters located in Horseheads New York. It was incorporated in 1939 by three Schweizer brothers (Paul William and Ernest) who built their first glider in 1930. Previously the oldest privately owned aircraft company in the United States Schweizer was acquired by Sikorsky Aircraft Corporation of Stratford Connecticut in 2004 and is currently a diversified aerospace company.