Sikorsky R-4 variant
C60229
concept
A Sikorsky R-4 variant is a specific model or modification of the original Sikorsky R-4 helicopter, distinguished by changes in equipment, configuration, or performance to suit particular operational roles or requirements.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Sikorsky R-4 variant canonical | 1 |
Instances (1)
| Instance | Via concept surface |
|---|---|
| Sikorsky Hoverfly | — |