| Aircraft | |
|---|---|
| Registration / Serial: | 43-46506 |
| Alternate Serial: | 346506 |
| Military Code: | 16 |
| Aircraft Original Type: | Sikorsky S-47 |
| Aircraft Generic Type: | Sikorsky S-47/VS-316A/R-4 Hoverfly |
| Aircraft Version: | Sikorsky R-4B Hoverfly |
| C/n (msn): | 39 |
| Operator Titles: | USA - Air Force |
| Location | |
|---|---|
| City / Airport: | Dayton - Wright-Patterson AFB / Wright AFBMap |
| Region / Country: | Ohio, United States |
| Airport Codes: | ICAO: KDWF IATA: - Local: DWF Other: - |
| Collection: | National Museum of the United States Air Force |
| Photo Date: | 15 December 2024 |
| Photo by: | Richard Vandervord |
| Photo ID: | 822315 |
| Photo Comment |
|---|
|
First flown in January 1942, the R-4 holds the honour of being the world's first helicopter to go into production and the first to see combat, despite being difficult to fly and suffering from excessive vibration. This one (of 131 built) was obtained from the University of Illinois in 1967 This photo is copyright © Richard Vandervord, and may not be used or published in any way without permission. It was added on 2 July 2025, and has since been viewed 52 times. |