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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.

Category : Correspondence(182)

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  • 2002-06-03

    Des Moines Beach Park Legal Analysis and Department of Ecology Letter on Third Runway Fill Material

    ★
    Legal memorandum analyzing King County’s role in proposed Des Moines Beach Park conveyor belt operation, including property rights and park use restrictions. Includes Department of Ecology letter clarifying fill material certification requirements for Port of Seattle’s third runway construction.
    CategoriesCorrespondence, Key Documents, Litigation TagsAirport Expansion, Airport Law, Port Of Seattle
  • 2000-02-25

    Letter to U.S. Senators Gorton and Murray Regarding Sea-Tac Airport Safety Issues

    ★
    In February 2000, the Regional Commission on Airport Affairs (RCAA) wrote to U.S. Senators Patty Murray and Slade Gorton urging an investigation into aviation safety concerns at Sea-Tac Airport, following a KIRO-TV news report that revealed hundreds of unreported near-misses, runway incursions, and mechanical problems documented in NASA AMES files. The RCAA argued that these hidden dangers raised serious questions about the Port of Seattle's plans to expand the airport with a third runway. The letter also requested a moratorium on expansion-related construction permits until a full safety investigation — ideally led by the FAA Inspector General — could be completed.
    CategoriesCorrespondence, Key Documents, Litigation TagsAirport, Airport Expansion, airport issues, Aviation Safety Noise Abatement Act 1978, Patty Murray, RCAA
  • 1981-12-10

    Boeing Headquarters Memo of Understanding – Port of Seattle Letter

    ★ 32
    Letter from Port of Seattle Director of Aviation Oris Dunham to King County Council Chairman Paul Barden regarding a Memo of Understanding for Boeing Headquarters project at Sea-Tac International Airport. Includes discussion of rezoning approval following favorable Washington State Supreme Court ruling.
    CategoriesCorrespondence, History, Key Documents TagsAirport, Airport Expansion, Boeing, Litigation, Port Of Seattle
  • 1980-10-22

    Letter from Oris Dunham Airport Open Use (AOU) Classification Status Update

    ★
    Letter from Port of Seattle Policy Advisory Committee Chairman Oris Dunham to Virginia Dana providing status update on the Airport Open Use (AOU) classification in King County Zoning Ordinance. The letter explains the AOU classification’s purpose for economic development near airports and community concerns that led to a recommendation for deletion from the Highline Area
    CategoriesCorrespondence, History, Key Documents TagsAirport Open Use Zoning, Highline Community Plan, King County, Land Use, Port Of Seattle
  • 1979-01-25

    Letter from State Representative John Jovanovich to Jean Pihlman regarding STCP Policy Advisory Committee

    ★
    In this January 25, 1979 letter, Washington State Representative John Jovanovich (31st District) writes to Ms. Jean Pihlman explaining that the Sea-Tac Comprehensive Plan (STCP), adopted by the Port of Seattle and King County, primarily addresses the airport and its noise-impacted areas. He urges that citizen representatives on the Policy Advisory Committee — the body responsible for monitoring the plan — should come directly from the noise-impacted communities, so that their needs are properly understood by decision-makers.
    CategoriesCorrespondence, History, Key Documents TagsAirport, Airport Committees, Airport Noise Law, Port Of Seattle
  • Stni letter to port commission on SAMP public hearing june 30 2026 pdf
    2026-06-30

    A letter to the Port of Seattle Commission – make July 9 a special meeting

    Port staff have said there will be some form of listening session at the airport on July 9, in the same room that Port Commission meetings are held, and recorded, as are all Commission meetings. But thus far there has been no confirmation that any of the Commissioners will be in attendance. We sent this
    CategoriesCorrespondence, News Stories
  • Page 1 from cover cover letter fact sheet toc and acronyms

    Page 1 from cover cover letter fact sheet toc and acronyms

    Cover page of the Draft Environmental Impact Statement for the Sustainable Airport Master Plan (SAMP) Near-Term Projects, published by the Port of Seattle in May 2026 under the State Environmental Policy Act (SEPA).
    CategoriesCorrespondence
  • Cover letter, Fact sheet, Table of Contents and Acronyms

    CategoriesCorrespondence
  • Cover cover letter fact sheet toc and acronyms pdf

    Cover cover letter fact sheet toc and acronyms pdf

    CategoriesCorrespondence
  • Samp Newsletter Header 600X300

    Samp Newsletter Header 600X300

    Cover graphic for the Port of Seattle's Sustainable Airport Master Plan (SAMP) Near-Term Projects State Environmental Policy Act (SEPA) document. The image displays the SAMP logo with the Port of Seattle branding, relevant to environmental review of near-term capital projects at Seattle-Tacoma International Airport.
    CategoriesCorrespondence

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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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