د ایتاد هوایی شرکت سره د بوینګ ازموینې ارامه او پاکې الوتنې

An Etihad Airways 787-10 Dreamliner decked out with special equipment that can enhance safety and reduce CO2 emissions and noise has commenced flight testing this week for Boeing’s ecoDemonstrator program. A series of flights will gather the most detailed information to date about aircraft acoustics from some 1,200 microphones attached to the outside of the…