Unlike many innovators of his era whose technologies were rapidly consumed by wartime destruction, Sikorsky viewed the true crown of his work as humanitarian. He frequently noted that the helicopter was a unique instrument designed to save lives rather than take them. Search and Rescue (SAR)

: In 1913, he designed and piloted the Russky Vityaz (S-21), the first successful four-engine plane in history.

Sikorsky's early work focused on heavy aircraft, where he achieved several world firsts: The Russian Knight (1913):

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Despite his success with fixed-wing aircraft, Sikorsky never abandoned his boyhood dream of building a practical helicopter. In 1938, he convinced the directors of United Aircraft to let him resume his work on rotary-wing flight. On September 14, 1939, a tethered lifted off the ground with Sikorsky at the controls, marking the beginning of a new era.

The R-4 saved hundreds of lives in WWII (Burma theater) doing medevac. That was Captain Sikorsky’s work made manifest: a machine that serves humanity, not just the pilot.

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