-
Aircraft:
Sikorsky XR-4
- Reg: 41-18874 photos
-
Serial #:
- Airline: United States - US Army Air Force (USAAF)
- Photo Date: Feb 28, 2014
- Uploaded: Aug 12, 2014
- Other Location - NASM Steven F Udvar-Hazy Center, USA - Virginia
Sikorsky's prototype R-4 helicopter.
Photographer
Aircraft
Photo location
Photographer
-
Aircraft
- Reg: 41-18874 photos
-
Aircraft:
Sikorsky XR-4
- Airline: United States - US Army Air Force (USAAF)
-
Serial #:
-
Photo Location
-
Other Location - NASM Steven F Udvar-Hazy Center
- USA - Virginia