| http://www.w3.org/ns/prov#value | - Subsonic wind tunnel testing on the 777X started on Dec. 5, 2013 at QinetiQ???s test facility in Farnborough, U.K., to test the airplane models??? performance at low speeds such as those experienced at takeoff and landing, and at different non-clean configurations, notably with the high lift devices such as flaps and slats.
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