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, ...

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 ano ...

, 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