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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.

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  • Start Meetingagenda 2026429 Pdf 1
    2026-04-29

    StART (SEA Stakeholder Advisory Round Table) Meeting

    **SAMP Environmental Review: Detailed comparison between SEPA Environmental Impact Statement and NEPA Environmental Assessment processes for Near-Term Projects **Community Roundtable Updates**: Progress report on airport stakeholder engagement initiatives **Next Steps**: Implementation timeline for environmental review findings **Notable Action Item:** Public comment period opened for stakeholder input on airport development plans.
    CategoriesEvents TagsNEPA, Port Of Seattle, SAMP, SEPA, StART
  • 2026-04-29

    Start Meeting agenda 2026429

    The StART (SEA Stakeholder Advisory Round Table) meeting scheduled for April 29, 2026 focuses on updates to the Sustainable Airport Master Plan (SAMP) Near-Term Projects and their environmental review process, including an explanation of how the state-level SEPA Environmental Impact Statement differs from the federal NEPA Environmental Assessment. The agenda includes a presentation by Port of Seattle staff, a community roundtable update, and an open public comment period. StART serves as a forum for cooperation between the Port of Seattle and communities neighboring Seattle-Tacoma International Airport.
    CategoriesMeetings TagsNEPA, Port Of Seattle, SAMP, SEPA, StART
  • Start Meetingagenda 2026429 Pdf 1
    2026-04-29

    Start Meetingagenda 2026429

    The StART (SEA Stakeholder Advisory Round Table) meeting scheduled for April 29, 2026 focuses on updates to the Sustainable Airport Master Plan (SAMP) Near-Term Projects and their environmental review process, including an explanation of how the state-level SEPA Environmental Impact Statement differs from the federal NEPA Environmental Assessment. The agenda includes a presentation by Port of Seattle staff, a community roundtable update, and an open public comment period. StART serves as a forum for cooperation between the Port of Seattle and communities neighboring Seattle-Tacoma International Airport.
    CategoriesMeetings TagsNEPA, Port Of Seattle, SAMP, SEPA, StART
  • 2026-04-01

    Sustainable airport master plan near-term projects state environmental policy act draft environmental impact statement and next steps

    The Port of Seattle is advancing a set of Near-Term Projects under its Sustainable Airport Master Plan (SAMP) for Seattle-Tacoma International Airport, covering infrastructure improvements such as new gates, taxiway extensions, runway blast pads, and cargo facilities. The plan is subject to both federal (NEPA) and state (SEPA) environmental review, with a Draft Environmental Impact Statement being prepared to assess potential impacts. Public and regulatory next steps include finalizing the EIS and communicating outcomes to stakeholders and surrounding communities.
    TagsEnvironmental Impact Statement, Port Of Seattle, SAMP, SEPA, StART
  • SAMP ntp draft SEPA EIS and next steps start pdf
    2026-04-01

    Sustainable airport master plan near-term projects state environmental policy act draft environmental impact statement and next steps

    The Port of Seattle is advancing a set of Near-Term Projects under its Sustainable Airport Master Plan (SAMP) for Seattle-Tacoma International Airport, covering infrastructure improvements such as new gates, taxiway extensions, runway blast pads, and cargo facilities. The plan is subject to both federal (NEPA) and state (SEPA) environmental review, with a Draft Environmental Impact Statement being prepared to assess potential impacts. Public and regulatory next steps include finalizing the EIS and communicating outcomes to stakeholders and surrounding communities.
    TagsEnvironmental Impact Statement, Port Of Seattle, SAMP, SEPA, StART
  • 2025-12-20

    Interlocal agreement between the cities of Burien, Des Moines, Normandy Park, and SeaTac for legal and environmental review in connection with the NEPA and SEPA evaluations of the Sea-Tac Airport Sustainable Airport Master Plan

    The cities of Burien, Des Moines, Normandy Park, and SeaTac have entered into a formal interlocal agreement to coordinate their review of, and potential legal challenges to, the Port of Seattle's Sustainable Airport Master Plan, which could bring significant growth and environmental impacts to their communities over the next 20 years. Under the agreement, the four cities will jointly hire environmental consultants and legal counsel, share costs proportionally based on population, and issue unified comment letters during the NEPA and SEPA review processes. The City of SeaTac is designated as the lead administrator for contracts and finances, while all four cities must unanimously agree before filing any joint legal appeal.
    TagsEnvironmental Impact Statement, Interlocal Agreement, NEPA, SAMP, SEPA
  • Prr25 568 Open Pdf
    2025-12-20

    Interlocal agreement between the cities of Burien, Des Moines, Normandy Park, and SeaTac for legal and environmental review in connection with the NEPA and SEPA evaluations of the Sea-Tac Airport Sustainable Airport Master Plan

    The cities of Burien, Des Moines, Normandy Park, and SeaTac have entered into a formal interlocal agreement to coordinate their review of, and potential legal challenges to, the Port of Seattle's Sustainable Airport Master Plan, which could bring significant growth and environmental impacts to their communities over the next 20 years. Under the agreement, the four cities will jointly hire environmental consultants and legal counsel, share costs proportionally based on population, and issue unified comment letters during the NEPA and SEPA review processes. The City of SeaTac is designated as the lead administrator for contracts and finances, while all four cities must unanimously agree before filing any joint legal appeal.
    TagsEnvironmental Impact Statement, Interlocal Agreement, NEPA, SAMP, SEPA
  • 2025-12-08

    NEPA SEPA Timeline Des Moines Airport Advisory Committee 08 Dec 2025 Agenda

    TagsDes Moines Aviation Advisory Committee, NEPA, SAMP, SAMP Four City ILA, SEPA
  • 2025-12-08

    Des Moines Airport Advisory Committee Meeting Agenda and Minutes

    Airport Advisory Committee meeting agenda for December 8, 2025, including items on SAMP updates, StART meeting updates, complaints/communications, and committee work plan. Responses on noise complaint from Laurel Hughes. Also includes minutes from the November 10, 2025 meeting with discussion of Q&A with Steve Edmiston and various airport-related updates.
    CategoriesMeetings TagsAirport, City Of Des Moines, Des Moines, NEPA, SAMP, SEPA, StART
  • Airport Advisory Committee 08 Dec 2025 Agenda Pdf 1 Pdf
    2025-12-08

    Airport Advisory Committee Meeting Agenda and Minutes

    Airport Advisory Committee meeting agenda for December 8, 2025, including items on SAMP updates, StART meeting updates, complaints/communications, and committee workplan. Also includes minutes from the November 10, 2025 meeting with discussion of Q&A with Steve Edmiston and various airport-related updates.
    CategoriesMeetings TagsAirport, Des Moines, NEPA, SAMP, SEPA, StART

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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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