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- W1991008067 abstract "Government and the air transport industry have been faced with the problem of quieting existing low-bypass-ratio turbofan-powered aircraft which constitute nearly 90% of the current U.S. air carrier fleet. Noise had not been a design parameter for these aircraft, since they were designed prior to the noise limits specified by Federal Aircraft Regulation Part 36. This paper describes the FAA-sponsored retrofit feasibility program and related NASA-and industry-funded efforts. The program was designed to provide test data for use in determining whether the older-design aircraft could be modified for meaningful noise reduction. The modifications were required to be technologically practicable, economically reasonable, and appropriate for the aircraft type. The program included ground and flight tests of flight weight hardware capable of airworthiness certification." @default.
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- W1991008067 date "1974-04-01" @default.
- W1991008067 modified "2023-09-23" @default.
- W1991008067 title "Aircraft noise retrofit feasibility. I. Program objectives and scope" @default.
- W1991008067 doi "https://doi.org/10.1121/1.1919765" @default.
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