Eurocopter is set to build on the success of its X3 demonstrator with plans to introduce an advanced X4 helicopter into service in 2017. Designed to replace the AS365 and EC155 Dauphin medium twin ...
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, the ...