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Integrated Aviation Systems Program

Landing Gear Noise Reduction Sub-Project (LGNR)

Active Technology Project

Project Introduction

Landing Gear Noise Reduction Sub-Project

NASA’s aircraft noise reduction research is being demonstrated in the Landing Gear Noise Reduction (LGNR) Sub-Project under the Flight Demonstrations and Capabilities Project. Aircraft noise due to landing gear is an issue for communities situated near airports. NASA Aeronautics is developing ways to reduce landing gear noise impacts on the community. The Landing Gear Noise Reduction (LGNR) Sub-Project is an effort to demonstrate in flight the benefits of novel gear and wheel cavity treatments on reducing airframe noise as well as to verify and validate noise prediction tools and methodologies using flight test data. 

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