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Aircraft noise pollution control1/27/2024 The flights successfully combined several technologies to achieve a greater than 70 percent reduction in airframe noise. The Acoustic Research Measurement (ARM) flights, which concluded in May, at NASA’s Armstrong Flight Research Center in California, tested technology to address airframe noise, or noise that is produced by non-propulsive parts of the aircraft, during landing. Credits: NASA/Ken UlbrichĪ series of NASA flight tests has successfully demonstrated technologies that achieve a significant reduction in the noise generated by aircraft and heard by communities near airports. This may reduce aircraft noise for communities that live near airports. ![]() NASA combined three technologies, including Landing Gear Noise Reduction, landing gear cavity treatments, and the Adaptive Compliant Trailing Edge flexible wing flap, to demonstrate a reduction in airframe noise in excess of 70 percent. The ARM flights were flown on NASA’s SubsoniC Research Aircraft Testbed G-III aircraft, or SCRAT, at NASA’s Armstrong Flight Research Center in California.
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