| Designation | Modified Role | Location | Serial / Regist. |
|---|---|---|---|
| XR-4 | American Helicopter Museum | 41-18874 | |
| YR-4A | |||
| YR-4B (YH-4B) | |||
| R-4B | New England Air Museum | 43-46503 | |
| United States Air Force Museum | 43-46506 | ||
| United States Army Aviation Museum | 43-46592 | ||
| XR-4C |
| Sikorsky R-4 on display | |||||
|---|---|---|---|---|---|
|