Aircraft Type — Sikorsky Aircraft Corporation
_-_National_Naval_Aviation_Museum_(8985414656).jpg){kind=link}
.jpg){kind=link}
Gallery
Sikorsky R-4 Hoverfly
WTC
L
Engines
1 × Piston
Category
Helicopter
ICAO
R4
| Manufacturer | Model |
|---|---|
| Sikorsky Aircraft Corporation | H-4 Hoverfly |
| Sikorsky Aircraft Corporation | Hoverfly |
| Sikorsky Aircraft Corporation | R-4 Hoverfly |