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Which aircraft became the world's first production helicopter?

The Sikorsky R-4 became the world's first production helicopter.

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  1. Bell UH-1 Huey
  2. Sikorsky R-4 ✔
  3. Boeing CH-47 Chinook

Why: Successful flight tests led the US Army Air Forces to order the R-4 for service and training. It was also the service's first operational helicopter.

Huh, didn't know that: The US Army Air Forces eventually ordered 100 production R-4B helicopters.

The dad joke
Why was the R-4 so popular? It was a real people-lifter.
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References

Answer: Sikorsky R-4. Successful flight tests led the US Army Air Forces to order the R-4 for service and training. It was also the service's first operational helicopter.

  1. Sikorsky R-4B Hoverfly, National Museum of the United States Air Force www.nationalmuseum.af.mil/Visit/Museum-Exhibits/Fact-Sheets/Display/Article/195868/sikorsky-r-4b-hoverfly
    the R-4 became the world's first production helicopter
    Checked 2026-10-10.

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