Eurocopters X3 hybrid helicopter makes aviation history in achieving a speed milestone of 255 knots during level flight AVIATION NEWS International Aviation News, Airshow reports, Aircraft facts, worlds largest Aviation Museum database. Civillian, Military & Space, We cover it All
The Eurocopter X3 hybrid helicopter has opened the frontiers of aviation by attaining a speed milestone of 255 knots (472 km/hr) in level flight on June 7. Several days before this accomplishment, …
