Sikorsky S-3

S-3
Sikorsky S-3 near Kiev Russia Empire December 1910
Role Experimental
National origin Russian Empire
Designer Igor Sikorsky
First flight December 1910
Number built 1
Developed from Sikorsky S-2
Developed into Sikorsky S-4

The Sikorsky S-3 was an early Russian single seat biplane design by Igor Sikorsky. Work on the machine started in July 1910 and was completed in late November.