Boeing

Boeing, Rolls-Royce Verify Jet Noise Reductions

The Boeing and Rolls-Royce flight test program used a modified Trent 800 engine on a 777-200ER to verify takeoff jet noise reductions of four decibels. Saw-tooth-shaped devices are added to the rear of the nacelle and on the exhaust nozzle.

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For further information:
Mary Jean Olsen
425-234-0901