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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.

TagLand Use(212)

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  • 2023-11-09

    Des Moines Creek Business Park West Master Plan – Hearing Examiner Review

    The Des Moines, WA City Council considered a staff recommendation to transfer review of the Des Moines Creek Business Park West Master Plan (LUA2022-0044) from the Council to the city's Hearing Examiner. The proposed 30-acre development near South 216th Street would include a 402,380-square-foot industrial building and requires complex environmental review, including a variance to fill ravine sidewalls and potentially realign a stream. Due to the technical complexity of the land use and environmental issues involved, staff and the City Attorney recommended consolidating the Master Plan review with the required variance before the Hearing Examiner.
    TagsCity Of Des Moines, Des Moines Creek, Des Moines Creek Business Park, Land Use, SEPAFolderDes Moines Creek Business Park
  • 2023-08-22

    F.A.A. density guidelines: North Sea-Tac Park

    This document presents FAA density guidelines for the North Sea-Tac Park area near Seattle-Tacoma International Airport, showing recommended population limits per acre across different zones. Areas closest to the runway are designated as a 'Clear Zone' allowing only 1.5 people per acre, while an 'Extended Clear Zone' permits 2 people per acre, and surrounding residential areas are limited to 20–40 people per acre. A gymnasium on the map is noted as accommodating 60 people during games, illustrating how the guidelines account for concentrated gatherings near airport flight paths.
    TagsFAA, FAA Density Guidelines, Land Use, Map, North Sea-Tac Park, NSTPFolderNSTP
  • 2023-07-30

    Aircraft noise environment and land use issues near Sea-Tac Airport

    This document outlines several key challenges related to aircraft noise near Seattle-Tacoma (Sea-Tac) Airport. It notes that existing noise measurement systems lack the precision needed by planners, residents, and courts, while federal FAA funds cannot be used to purchase noise-affected lands unless they serve specific airport purposes. Additional concerns include restricted HUD/VA mortgage financing in high-noise areas, the potential negative impact on local tax bases if the Port of Seattle acquires large amounts of noise-sensitive land, and widespread property owner anxiety over declining home values and marketability.
    TagsLand Use, Noise, Port Of Seattle, Property Values, Sea-Tac AirportFoldermisc
  • FAA Reauthorization 2023: Community Use Of Airport Land

    Like many agencies of the Federal Government, the law giving life to the FAA needs to be reauthorized periodically. The last bill was in 2018 and the current version will be passed this year. A reauthorization bill is something of a misnomer. The first page reauthorizes the agency; the remaining hundreds and hundreds of pages
    CategoriesLegislation TagsFAA Reauthorization, Land Use, Maria Cantwell, Rick Larsen
  • 2023-04-24

    Moving Because of the Airport Expansion? A Description of the Port Of Seattle’s Relocation Assistance Program

    A DESCRIPTION OF THE PORT OF SEATTLE'S RELOCATION ASSISTANCE PROGRAM
    CategoriesHistory TagsAirport Expansion, Flyer, Housing, Land Use, Outreach, Port Of Seattle, Relocation Assistance Office, Relocation Assistance Program, Sea-Tac Airport, Second RunwayFolderRelocation
  • 2023-04-24

    Airport construction slowed by ecology laws, says E.P.A. official

    An EPA official warned in the early 1970s that environmental laws were slowing the construction and expansion of airports across the U.S., even as air travel demand was projected to double by 1980. Dr. Stanley Greenfield highlighted that airports create both direct pollution — including noise, air, and water contamination — and indirect impacts through the industrial and residential growth they attract nearby. He called for a comprehensive national program to address aircraft-airport noise, while acknowledging that the technology to fully eliminate aircraft noise at its source was not yet available.
    TagsAmerican Institute of Aeronautics and Astronautics, EPA, Land Use, Seattle Times, Stanley M. GreenfieldFolderSeattle Times
  • 2023-04-24

    Parcel 30 – Exhibit B: Port Of Seattle comprehensive scheme, Resolution No. 2516 amending Unit No. 18

    This document is Exhibit 'B' to Port of Seattle Resolution No. 2516, which amends Unit No. 18 of the Port of Seattle's Comprehensive Scheme for Seattle-Tacoma International Airport. It contains maps (Work Order No. G-2032, drawing STIA-7318-C-1) identifying Parcel 30 and Parcel 31 — areas of land proposed for acquisition by the Port of Seattle adjacent to the existing airport property, including neighborhoods near Sunset Park and Des Moines. The maps delineate existing Port-owned land from the proposed acquisition parcels, indicating planned airport expansion or noise-buffer land purchases in the surrounding residential area.
    TagsLand Use, MapFolderProperties
  • 2023-04-24

    East sub-area planning considerations

    This handwritten document outlines East Sub-Area Planning Considerations for the area surrounding Sea-Tac Airport, covering policies on noise impact, land use, stormwater management, and community development. Key proposals include limiting mass property acquisition for noise mitigation, expanding Angle Lake Park to protect the surrounding neighborhood from airport encroachment, and developing Bow Lake as a stormwater holding pond. Additional recommendations address bicycle and pedestrian paths along Military Road, setback and landscaping requirements near airport development districts, and preserving natural areas and residential views around McMicken Heights.
    TagsLand Use, Sea-Tac Communities PlanFoldermisc
  • 2022-12-02

    Guidelines for Considering Noise in Land Use Planning and Control (USDOT/EPA)

    This document appears to be a blank or nearly blank page with no readable text content, likely a placeholder or cover page from the Sea-Tac Airport noise policy archive. No substantive policy information, data, or findings could be extracted from this page.
    TagsEPA, Land Use, Noise, USDOTFolderNoise
  • 2022-11-29

    West sub-area planning considerations

    This draft planning document outlines west sub-area policies near Sea-Tac Airport, addressing noise impact reduction, environmental concerns, and land use transitions. Key provisions include halting mass property acquisition for noise mitigation, installing sanitary sewers near Miller Creek, controlling stormwater runoff from new airport development, and planting shade trees along local waterways. The document also proposes orderly conversion of single-family residential areas to higher-intensity uses, coordinated with the construction of S.R. 509 as a western boundary for redevelopment.
    TagsDraft, King County, Land Use, Miller Creek, Port Of SeattleFoldermisc

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Upcoming Events

  • Burien Airport Committee Meeting September 15, 2026
    Add to CalendarMTuesday Sep 15: 6:00pm
    400 SW 152nd St, Burien, WA 98166
    Burien airport committee 15 sep 2026 agenda pdf pdf

    a) Part 150 Noise Study (Emily Inlow-Hood) — 15 minutes
    b) SAMP Update and Next Steps (Brian Davis and Sarah Moore) — 15 minutes
    c) Legislative Updates — 10 minutes
       • SCA (Sarah Moore)
       • Work with Sen. Orwall (Brian Davis)
    d) StART Reorganization (Jeff Harbaugh and Karen Veloria) — 10 minutes

    [...]

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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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