Sikorsky S-69
| Use attributes for filter ! | |
| Manufacturers | Sikorsky Aircraft |
|---|---|
| First flight | July 26, 1973 |
| Number built | 2 |
| Date of Reg. | |
| Date of Upd. | |
| ID | 1774042 |
About Sikorsky S-69
The Sikorsky S-69 is an experimental co-axial compound helicopter developed by Sikorsky Aircraft as the demonstrator of the Advancing Blade Concept under US Army and NASA funding.