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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.

TagACC(1531)

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  • EXH2178054467 pdf 116×150

    A promotional image for the National Academy Press (NAP) featuring the organization's letterhead and website URL www.nap.edu. The National Academy Press publishes reports and books for the National Academies of Sciences, Engineering, and Medicine.
    TagsACC, Pollution Control Hearings BoardFolderPCHB
  • EXH2178054467 pdf 231×300

    A promotional/order card from National Academy Press, publisher for The National Academies (National Academy of Sciences, National Academy of Engineering, Institute of Medicine, National Research Council). The card advertises their website www.nap.edu and references item number AR 664467, offering a 20% discount on additional copies ordered online.
    TagsACC, Pollution Control Hearings BoardFolderPCHB
  • EXH2178054467 pdf 790×1024

    A promotional insert card from the National Academy Press, publisher for the National Academies (National Academy of Sciences, National Academy of Engineering, Institute of Medicine, and National Research Council), directing readers to www.nap.edu for a 20% discount on additional copies. The card bears reference number AR 054467.
    TagsACC, Pollution Control Hearings BoardFolderPCHB
  • Hessel Fetterman CD cover

    A CD jewel case bearing the logo of Helsell Fetterman, A Limited Liability Partnership, containing a disc labeled TRN0009056600.PDF. A sticky note on the case is stamped 'RECEIVED 8-6-03 HELSELL FETTERMAN,' indicating the disc was received by that law firm on August 6, 2003.
    TagsACC, Pollution Control Hearings BoardFolderPCHB
  • Seatac Airport A Better Neighbor Now In Spite Of Embattled Past, Former Adversaries Say

    In the 1970s, residents near the flight paths headed into and out of SeaTac Airport and its two runways complained to the Port of Seattle that the constant movement of jets overhead posed a serious disruption to life and a hazard to health. Now, almost 50 years on, with a larger airport, newer planes and
    CategoriesFrom The Web TagsACC, Airport Communities Coalition, Seattle Medium
  • Kroll’s King-Pierce Counties Quadrangle No. 838

    A detailed black-and-white street map published by Kroll Map Company, Inc. of Seattle, Washington, covering the area surrounding Seattle-Tacoma International Airport (Sea-Tac). The map shows surrounding communities including Burien, Tukwila, Normandy Park, Des Moines, SeaTac, and Kent, along with road networks, neighborhood names, and the airport footprint.
    TagsACC, Third RunwayFolderACC
  • Index to Box15

    An index document listing contents of Box 15, containing videotapes of various public meetings and hearings from 2000-2001. Includes KIRO 7 news coverage, Army Corps of Engineers public hearing, hydrology study workshops, NPDES permit modification meetings, and Miller Creek wetlands/migratory birds documentation.
    TagsACC, Army Corp of Engineers, KIRO7, Miller Creek, RCAA, Third Runway, VideoFolderACC
  • ACC Water District #54 Des-Moines Creek SEPA 2000

    Aerial map showing the Des Moines Creek Regional Capital Improvement Project, depicting infrastructure elements including Northwest Ponds (Cells 1 and 2), Tyee Pond, Tyee Diversion Pipe, Outlet Control Structure, Berms A and B, Bypass Pipe, and connections to existing pipes. The map legend identifies existing wetland channel reconstruction, excavation cells, berms, new bypass pipe, Tyee diversion pipe, and existing pipe, with streets S. 196th St., S. 200th St., and 11th Ave S. visible.
    CategoriesHistory TagsACC, Third RunwayFolderACC
  • 2022-09-12

    Brief analysis of Pollution Control Hearings Board’s ruling on the Sea–Tac Airport’s Section 402 water pollution permit

    The Pollution Control Hearings Board ruled largely in favor of community groups ACC and CASE in their challenge to Sea-Tac Airport's water pollution permit, ordering stricter wastewater treatment standards and rejecting most of the Port's appeals. Key victories included requiring the airport to meet long-overdue water quality standards for its industrial wastewater discharged into Puget Sound, mandating improved toxicity testing during de-icing season, and directing a professional wetlands analysis of Lake Reba. Of the seven final directives issued by the Board, six favored the community appellants and only one favored the Port.
    TagsACC, PCHB, Pollution Control Hearings Board, RCAA, Sea-Tac Airport, Water QualityFolderRCAA
  • 2022-09-12

    Tabulation of the number of comments received on an issue throughout the permit review process

    This document tabulates public comments received during a permit review process, likely related to a construction or development project near Sea-Tac Airport. A total of 509 individuals opposed the permit, while 101 supported it, with additional concerns raised across topics including MSE wall integrity, wetlands, hydrology, air and noise pollution, and airport/aircraft safety. The index identifies specific commenters — ranging from environmental consultants to aviation industry groups — and maps each comment to a designated paragraph number for formal review response.
    TagsACC, Airport Communities Coalition, Environmental Impact Statement, RCAAFolderRCAA

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Upcoming Events

  • Stay Grounded Event: Night trains, not night planes!
    Add to CalendarMSunday Sep 13: 12:00am
    Ntnnp social media3

    For the past two years, more than 220 initiatives from 15 countries have declared September 13th as the International day for the ban of night flights at airports. In parallel, activists across Europe have been gathering for pyjama parties for night trains – coordinated in 2024 and 2025 by Back on Track and Stay Grounded.

    [...]
  • 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

    [...]

[See all...]


Help study childhood asthma. Get free HEPA filter!

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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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    "EXH AR041132: Port Of Seattle Commission Resolution No. 3245 — Reaffirming Master Plan Update and Authorizing Third Runway Construction at STIA" — , 1997

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