Aircraft Finder for
Sikorsky R-4
Primary Role: Rotary Wing (Helicopter)  (USAF "R" 1941-1947)

DesignationModified RoleLocationSerial / Regist.
XR-4  American Helicopter Museum West Chester, Pennsylvania41-18874
YR-4A   
YR-4B (YH-4B)   
R-4B  New England Air Museum Windsor Locks, Connecticut43-46503
   United States Air Force Museum Wright-Patterson, Ohio43-46506
   United States Army Aviation Museum Ozark, Alabama43-46592
XR-4C   


Sikorsky R-4 on display
XR-4

American Helicopter Museum