Eurocopter X³
| X³ | |
|---|---|
| Airbus Helicopters X³ in flight | |
| Role | Experimental compound helicopter |
| National origin | Multinational |
| Manufacturer | Eurocopter Airbus Helicopters |
| First flight | 6 September 2010 |
| Status | Retired |
| Number built | 1 |
| Developed from | Eurocopter AS365 Dauphin Eurocopter EC155 |
The Eurocopter X³ (X-Cubed) is a retired experimental high-speed compound helicopter developed by Airbus Helicopters (formerly Eurocopter). A technology demonstration platform for "high-speed, long-range hybrid helicopter" or H³ concept, the X³ achieved 255 knots (472 km/h; 293 mph) in level flight on 7 June 2013, setting an unofficial helicopter speed record. In June 2014, it was placed in a French air museum in the village of Saint-Victoret.