Sikorsky S-37

S-37
First S-37 with Gnome-Rhône 9A Jupiter engines
Role Long-range aircraft
National origin United States
Manufacturer Sikorsky
First flight 1927
Number built 2
Developed from Sikorsky S-35

The Sikorsky S-37 was an American twin-engine aircraft built by the Sikorsky Manufacturing Corporation. Both examples of the series were completed in 1927. The S-37 was specifically designed to compete for the Orteig Prize and would be the last land based fixed-wing aircraft Sikorsky would produce.