The Sikorsky S-15 was a single engine light bomber

floatplane A floatplane is a type of seaplane with one or more slender floats mounted under the fuselage to provide buoyancy. By contrast, a flying boat uses its fuselage for buoyancy. Either type of seaplane may also have landing gear suitable for land, m ...

built in 1913 at the Russian Baltic Railroad Car Works while

Igor Sikorsky Igor Ivanovich Sikorsky (russian: И́горь Ива́нович Сико́рский, p=ˈiɡərʲ ɪˈvanəvitʃ sʲɪˈkorskʲɪj, a=Ru-Igor Sikorsky.ogg, tr. ''Ígor' Ivánovich Sikórskiy''; May 25, 1889 – October 26, 1972)Fortie ...

was the chief engineer of the aircraft manufacturing division. Similar in design to the

Sikorsky S-10 The Sikorsky S-10 was a Russian military twin-float seaplane that served with the Russian Navy's Baltic Fleet from the summer of 1913 to 1915. After Igor Sikorsky built the successful Sikorsky S-6 for the Russian military, he tried to build anot ...

, only one example of this biplane was produced.

References

{{Sikorsky Aircraft S-15 Biplanes S-15 Single-engined tractor aircraft Aircraft first flown in 1913