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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.

TagPort Of Seattle(1843)

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  • 2026 05 26 rm agenda pdf
    2026-05-26

    Port Of Seattle commission regular meeting agenda

    Meeting agenda for the Port of Seattle Commission regular meeting scheduled for May 26, 2026. The hybrid meeting covers consent agenda items, new business including Norwegian Cruise Line lease amendments and emergency power design approval, and presentations on childcare center feasibility and environmental impact statements.
    CategoriesMeetings TagsEnvironmental Impact Statement, Port Of Seattle, Port Of Seattle Commission, Sustainable Airport Master Plan
  • SAMP public comment flyer SEPA 2026 square
    2026-05-22

    SAMP – the unsustainable airport master plan

    Advocacy flyer from Sea-Tac Noise.Info opposing the Seattle-Tacoma International Airport Sustainable Airport Master Plan (SAMP), characterizing it as the 'UnSustainable Airport Master Plan' and warning of one-third more flights, noise, and pollution with no mitigation or compensation. The flyer directs the public to subscribe at stni.info/samp/ and notes that public comment opens May 22, 2026.
    Tagscommunity engagement, Environmental Impact Statement, Noise, Port Of Seattle, SAMP
  • 2026-05-18

    Request for 90-day extension to SAMP SEPA draft EIS comment period

    Joint letter from the Cities of SeaTac, Burien, and Des Moines requesting the Port of Seattle extend the public and agency comment period for the Sustainable Airport Master Plan Draft SEPA Environmental Impact Statement to 90 days. The Cities cite the need for adequate review time due to the scope and complexity of the SAMP,
    TagsCity of Burien, City Of Des Moines, City Of SeaTac, Port Of Seattle, SAMP Draft SEPA EIS, SAMP Four City ILA
  • 2026 05 18 90 day SAMP SEPA deis comment period request pdf
    2026-05-18

    Request for 90-day extension to SAMP SEPA draft EIS comment period

    Joint letter from the Cities of SeaTac, Burien, and Des Moines requesting the Port of Seattle extend the public and agency comment period for the Sustainable Airport Master Plan Draft SEPA Environmental Impact Statement to 90 days. The Cities cite the need for adequate review time due to the scope and complexity of the SAMP,
    TagsCity of Burien, City Of Des Moines, City Of SeaTac, Port Of Seattle, SAMP Draft SEPA EIS
  • 634447191 26140442278976531 5191433782839792025 n
    2026-05-08

    It All Adds Up Sea Change – Deploying Underwater Tech To Study How Noise Affects Marine Life

    A Port of Seattle promotional image featuring a dolphin or orca dorsal fin breaking the surface of calm water, with mountains visible in the background. The image promotes the Port's deployment of underwater technology to study how noise affects marine life, under their 'It All Adds Up Sea Change' environmental initiative.
    TagsEnvironment, Marine, Noise, Port Of Seattle
  • Sustainable airport master plan near term projects state environmental policy act draft environmental impact statement and next steps page 3 1

    SAMP Near-Term Projects Aerial Map — SEPA Draft EIS

    A slide titled 'SAMP Near-Term Projects' presents an aerial map of Seattle-Tacoma International Airport identifying planned near-term capital improvements including a Second Terminal, North Gates, Taxiway A/B and D Extensions, Runway Blast Pads, Hardstand areas (Central and North), Busway and Stations, Roadway Improvements, Fuel Farm Expansion, ARFF Relocation, Westside Maintenance Campus, C4S Warehouse Redevelopment, Off-site Cargo, and a Centralized Receiving and Distribution Facility. The slide is labeled page 3 and uses a color-coded legend distinguishing new terminal, maintenance, cargo, support facilities, hardstand pad, existing buildings, new pavement, and demolition areas.
    TagsAirport Expansion, EIS, Environmental Impact Statement, Port Of Seattle, SAMP, Sea-Tac Airport, SEPA, StART
  • Sustainable airport master plan near term projects state environmental policy act draft environmental impact statement and next steps page 13

    SAMP Near-Term Projects SEPA Draft EIS Timeline and Next Steps

    A project timeline slide showing the environmental review process for a Sea-Tac Airport project, currently at the Draft SEPA EIS Publication stage (5/22/26). Key milestones include the Final NEPA FEA & Decision (9/26/25), Draft SEPA EIS Agency & Public Review, Final SEPA EIS & SEPA Decision (Q4 2026), and Commission Action Required for NTP(s) approval in 2027.
    TagsEnvironmental Impact Statement, Port Of Seattle, SAMP, SAMP Draft SEPA EIS, Sea-Tac Airport, SEPA, StART
  • Sustainable airport master plan near term projects state environmental policy act draft environmental impact statement and next steps page 3

    SAMP Near-Term Projects Aerial Map — SEPA Draft EIS

    A slide titled 'SAMP Near-Term Projects' presents an aerial map of Seattle-Tacoma International Airport identifying planned near-term capital improvements including a Second Terminal, North Gates, Taxiway A/B and D Extensions, Runway Blast Pads, Hardstand areas (Central and North), Busway and Stations, Roadway Improvements, Fuel Farm Expansion, ARFF Relocation, Westside Maintenance Campus, C4S Warehouse Redevelopment, Off-site Cargo, and a Centralized Receiving and Distribution Facility. The slide is numbered page 3 and uses a color-coded legend distinguishing new terminal, maintenance, cargo, support facilities, hardstand pads, existing buildings, new pavement, and demolition areas.
    TagsEIS, Environmental Impact Statement, Port Of Seattle, SAMP, Sea-Tac Airport, SEPA, StART, Sustainable Airport Master Plan
  • 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

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Upcoming Events

  • KCIA 2026 FOD Walk
    Add to CalendarMSaturday Aug 15, 7:30am - 10:00am
    9404 East Marginal Way South, Seattle, WA 98108
    Event image 2

    Museum of FlightSeattle, WA Saturday, August 15  •  7:30 AM – 10 AM Overview Join us for the KCIA 2026 FOD Walk—let’s keep the runway clean and have some fun together! Join Us for the KCIA 2026 FOD Walk! Get ready to step out and enjoy an awesome in-person event all about keeping our spaces

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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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