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STNI

STNISea-Tac Noise.Info

  • Solve for Sea-Tac. Solve for every airport.
  • Since 2016, working to obtain justice for everyone living under the flight path.
  • Less Noise. Cleaner Air. Better Public Health. Compensation.
  • Everything you think you know about the airport is wrong.

TagKing County Council(30)

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  • 2002-10-15

    King County Motion 11600 – FAA Part 150 Noise and Land Use Compatibility Study

    ★ 32
    A King County motion to adopt the King County International Airport’s Federal Aviation Regulation Part 150 Noise and Land Use Compatibility Study and to accept federal grants for implementing recommended programs. The motion outlines the airport’s economic importance and various noise mitigation strategies including sound insulation programs, flight restrictions, and a Ground Run-up enclosure.
    CategoriesKey Documents TagsKCIA, King County Council, Part 150
  • 224-78-R Motion King County Council (Boeing HQ Rezone)

    ★ 32
    Proposal to move Boeing headquarters to west side of airport noise buffer property from Sea-Tac Communities Plan
    CategoriesHistory, Key Documents Tags224-78-R, Boeing, King County, King County Council, Land Use
  • 2026-07-15

    Sea-Tac Communities Plan background and environmental findings

    This document summarizes the Sea-Tac Communities Plan, a 1973 joint study by the Port of Seattle and King County to improve compatibility between Sea-Tac International Airport and its surrounding neighborhoods. The plan examined aircraft noise exposure, air and water quality, and community growth, finding that noise levels were expected to decrease over time due to quieter aircraft technology despite rising flight operations. It proposed a range of noise remedy programs—including property acquisition, purchase guarantees, and insulation assistance—affecting thousands of homes in areas north and south of the airport.
    TagsKing County Council, Noise Remedy Program, Peat Marwick Mitchell, Port Of Seattle, Sea-Tac Communities Plan
  • Stcp land use brochure side 2 web pdf
    2026-07-15

    Sea-Tac Communities Plan background and environmental findings

    This document summarizes the Sea-Tac Communities Plan, a 1973 joint study by the Port of Seattle and King County to improve compatibility between Sea-Tac International Airport and its surrounding neighborhoods. The plan examined aircraft noise exposure, air and water quality, and community growth, finding that noise levels were expected to decrease over time due to quieter aircraft technology despite rising flight operations. It proposed a range of noise remedy programs—including property acquisition, purchase guarantees, and insulation assistance—affecting thousands of homes in areas north and south of the airport.
    TagsKing County Council, Noise Remedy Program, Peat Marwick Mitchell, Port Of Seattle, Sea-Tac Communities Plan
  • 2025-10-12

    King County Council Motion 4668 228-78-R 5 acres 12th Ave, 55 acres NSTP-pdf

    TagsBoeing HQ, King County Council, Land Use, NSTP, Westside Hilltop Survival Committee
  • 1994 King County Council Districts

    A 1994 map from the King County Department of Records showing the 13 Metropolitan King County Council Districts, held by the Seattle Public Library (call number SEAMAP G4283.K3 F7 1994 .K5). The legend lists all 13 councilmembers by district, including representatives for districts covering the Sea-Tac area: District 7 (Pete von Reichbauer), District 13 (Christopher Vance), and District 5 (Ron Sims).
    TagsKing County, King County Council, Map
  • 1981 King County Council Districts

    A 1981 King County, Washington official map showing nine County Council Districts with council member names and phone numbers listed (Tracy J. Owen through Gary Grant, Districts 1–9). The map was catalogued by the Seattle Public Library under History/State Doc and includes the King County Courthouse address in Seattle, WA 98104.
    TagsKing County, King County Council, Map
  • 1981 King County Council Districts

    TagsKing County, King County Council, Map
  • 1994 King County Council Districts

    TagsKing County, King County Council, Map
  • King Lysen for King County Council

    A television news crew from CBS affiliate Channel 7 conducts an on-camera interview outdoors near a columned building. The microphone bears the CBS eye logo with '7,' and the cameraman uses a film camera with visible film reels, suggesting this is from the 1970s.
    TagsKing County Council, King Lysen

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Issues

Sea-Tac Airport is currently undergoing the largest and longest expansion in its history, collectively known as the Sustainable Airport Master Plan (SAMP). Some of it you can already hear, but you’re probably not aware of what it all means. Here’s what you need to know.
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Read This!

As the source for federal transportation grants, the Puget Sound Regional Council was charged with developing a system to meet the growing need for commercial aviation. When the search for a second airport failed, they authorized the Port of Seattle to build the Third Runway, with a mandate to develop a noise abatement and mitigation program. In their effort to stop the Third Runway, the ACC argued over every detail of the Port's efforts--including property buyouts and sound insulation. The dispute was meant to be settled by a three member Expert Arbitration Panel. This is their final report. It finds 2-1, that the Port's program was insufficient in several respects. Despite that, funding for the Third Runway was approved by the PSRC, and the 'Port Package' program, proceeded largely unchanged. Expert Arbitration Panel's final decision finding that the Port of Seattle had not shown sufficient reduction in real on-the-ground noise impacts to satisfy noise reduction conditions required for approval of a third runway at Sea-Tac International Airport. The majority decision concluded the Port's noise abatement programs were insufficient despite being impressive in scope.
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    "Citizens Advisory Committee Recommendation on Application for Hardship – Z-685 Tom Fest" — , 1979

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