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Who is credited with inventing the first mass-produced helicopter?
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Russian-American aviator Igor Sikorsky designed the single-engine VS-300. Its first flight took place on May 13, 1940. It also became the first practical amphibious helicopter after floats were attached to it.
© Museum of Flight/CORBIS/Corbis via Getty Images
© Museum of Flight/CORBIS/Corbis via Getty Images
Who is credited with inventing the first mass-produced helicopter?
- Gottlieb Daimler
- Ferdinand von Zeppelin
- Elmer Sperry
- Igor Sikorsky
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