Patent 8196860 was granted and assigned to Airbus on June, 2012 by the United States Patent and Trademark Office.
An aircraft having reduced environmental impact includes at least one engine with at least one propeller carried, at the rear, on the top of the aircraft with the propeller(s) located in vertical alignment with the rear part of a noise barrier cell and the rear face of a burst zone situated forward of the central part of an empennage box.