DLR A320 Flies Retrofittable Noise Reductions German aerospace center DLR is testing a suite of retrofittable noise-reduction technologies on its Airbus A320 Advanced Technology Research Aircraft (ATRA) testbed in a series of flights from Magdeburg-Cochstedt Airport in Saxony-Anhalt. A total of 10 noise-reduction treatments for main and nose landing gear, wing slats and flaps and engine nozzles are being developed under the Low-Noise ATRA project. The technologies are all designed to be ...

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