The Sikorsky S-37 remains one of the most fascinating yet overlooked aircraft in aviation history. Designed during the golden age of experimental aviation in the late 1920s, the aircraft represented Igor Sikorsky’s ambitious vision for long-range air travel and commercial aviation. Although only two examples of the Sikorsky S-37 were ever built, the aircraft played an important role in demonstrating the potential of long-distance passenger transport and transcontinental flight. Sikorsky S-37 What Was the Sikorsky S-37? The Sikorsky S-37 was a twin-engine sesquiplane aircraft designed and built by the Sikorsky Manufacturing Corporation in the United States in 1927. Developed from the earlier Sikorsky S-35, the aircraft was originally intended for long-range flights, including a planned attempt to cross the Atlantic Ocean. The aircraft was designed under the leadership of legendary aviation pioneer Igor Sikorsky, who later became famous for his helicopter innovations. Before focusin...