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Aerial view of Oklahoma City (1974 photograph) A Convair B-58 Hustler, one of the airplane models used in the Oklahoma City sonic boom tests The Oklahoma City sonic boom tests, also known as Operation Bongo II, refer to a controversial experiment, organized by the Federal Aviation Administration (FAA), in which 1,253 sonic booms were generated over Oklahoma City, Oklahoma, over a period of six ...
The term "cumulative" EPNdB is the combination of the noise margins from the three ratings. It is defined as the sum of the individual margins (difference between certified noise level and noise limit) at takeoff lateral, takeoff flyover and approach. [4] It is important to make the distinction between loudness and noisiness.
Noise-generating aircraft propeller. Aircraft noise is noise pollution produced by an aircraft or its components, whether on the ground while parked such as auxiliary power units, while taxiing, on run-up from propeller and jet exhaust, during takeoff, underneath and lateral to departure and arrival paths, over-flying while en route, or during landing.
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The FAA became more involved with the environmental aspects of aviation in 1968 when it received the power to set aircraft noise standards. Legislation in 1970 gave the agency management of a new airport aid program and certain added responsibilities for airport safety.
Noise disturbance caused by vibration comes in three forms. One is contact with vibrating surfaces, the second in auditory, and the third is the observation of surrounding objects movement. Objectively regulating vibration is difficult so this provision makes use of the Vibration Perception Threshold.
Title 14 CFR – Aeronautics and Space is one of the fifty titles that make up the United States Code of Federal Regulations (CFR). Title 14 is the principal set of rules and regulations (sometimes called administrative law) issued by the Department of Transportation and Federal Aviation Administration, federal agencies of the United States which oversee Aeronautics and Space.
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