TagNoise Abatement Procedures(10)
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Common Sound Levels Reference Chart
Comparative chart showing outdoor and indoor noise levels in decibels, ranging from quiet rural areas to rock bands, with visual examples of common sound sources. Provides reference standards for understanding aircraft noise in context of everyday environments. -
2026-04-212024 South Flow Noise Abatement Procedures graphic
An aviation chart showing noise abatement procedures for south flow operations for Sea-Tac Airport, depicting aircraft flight paths, arrival and departure corridors, and specific locations including the 520 bridge area. The chart includes reference points at 5 nautical miles and 3,000 feet altitude. -
2025-11-27Airbus A320 Whistle ONCC TC April 14, 2020
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John Wayne Airport Settlement Agreement
The landmark 1985 Settlement Agreement formalized consensus between the County of Orange, the City of Newport Beach, the Airport Working Group (AWG) and Stop Polluting Our Newport (SPON) on the nature and extent of facility and operational improvements that could be implemented at John Wayne Airport (JWA) through 2005. The Settlement Agreement established quarterly noise -
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2014-11-07FAA determination pursuant to 14 Code of Federal Regulations Part 161 – LAWA Application for easterly Stage 3 aircraft departure restrictions at LAX
Federal Aviation Administration’s decision disapproving Los Angeles World Airports’ application to restrict and penalize certain easterly Stage 3 aircraft departures from Los Angeles International Airport between midnight and 6:30AM. The FAA found that while LAWA’s application met three of six statutory conditions, all conditions must be satisfied for approval. -
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1984-01-12Airport Noise Remedy Update – Meeting Notice and Working Paper Distribution
Memorandum from Port of Seattle Project Manager Jody Yamanaka announcing a Technical Working Committee meeting for January 25, 1984 to review noise remedy program criteria, boundaries, and on-airport noise abatement measures for Jackson International Airport (Sea-Tac). Includes distribution list and attachment of working paper on noise abatement evaluation. -
1975-01-01Potential Aircraft Noise Impact Programs for the Vicinity of Sea-Tac International Airports
Third Draft document outlining sixteen different programs to improve the aircraft noise environment around Sea-Tac International Airport, ranging from public acquisition and removal of structures to zoning modifications. The document provides a comprehensive list of noise mitigation strategies including acquisition programs, purchase assurance options, easements, insulation programs, and development controls. -
1974-08-30Noise Abatement Program Area – Program Ideas
A detailed evaluation of noise abatement operational and technological changes for Sea-Tac Airport, including recommendations on reverse thrust operations, flight paths, aircraft modifications, and airport ground operations. The document contains handwritten comments and technical feasibility assessments for each proposed noise reduction measure.