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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.

TagSustainable Airport Master Plan(93)

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

    Port of Seattle Commission Regular Meeting May 26, 2026 (SAMP/SEPA intro)

    Item 11b is the SAMP/SEPA EIS introduction and presentation
    CategoriesEvents TagsEnvironmental Impact Statement, Port Of Seattle, Port Of Seattle Commission, SAMP, SAMP Draft SEPA EIS, Sustainable Airport Master Plan
  • 2026-05-26

    Port Of Seattle commission agenda May 26, 2026 (SAMP/SEPA introduction)

    This is the agenda for the Port of Seattle Commission Regular Meeting held on May 26, 2026, covering a range of port business items including infrastructure projects at Seattle-Tacoma International Airport (SEA). Key topics include the S Concourse Evolution program (authorized up to $300 million), the Main Terminal Improvement Program emergency power design, and a briefing on the Sustainable Airport Master Plan Near-Term Projects Environmental Review, including a SEPA Draft Environmental Impact Statement. The meeting was held both in person at Sea-Tac Airport and virtually via Microsoft Teams.
    TagsEnvironmental Impact Statement, Port Of Seattle, Port Of Seattle Commission, Sustainable Airport Master Plan
  • 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 1
    2026-05-22

    SAMP – the unsustainable airport master plan

    A advocacy flyer from Sea-Tac Noise.Info (stni.info/samp/) opposing the Sea-Tac Airport Sustainable Airport Master Plan (SAMP), characterizing it as the 'UnSustainable Airport Master Plan.' The flyer warns of one-third more flights, noise, and pollution with no mitigation or compensation, and announces a public comment period opening May 22, 2026.
    Tagscommunity engagement, SAMP, Sea-Tac Airport, SeaTacNoise.Info, Sustainable Airport Master Plan
  • Sustainable airport master plan executive summary page 25

    Sustainable Airport Master Plan executive summary Long-range vision

    This is Figure 4-1 from the Seattle-Tacoma International Airport Sustainable Airport Master Plan Executive Summary (source: LeighFisher and Port of Seattle, 2016), depicting a color-coded aerial site plan of proposed long-range airport development including new terminals, maintenance facilities, cargo areas, support facilities, hardstands, pavements, and demolition zones across the airfield.
    TagsLeigh-Fisher, LTP, SAMP, Sustainable Airport Master Plan
  • May 11 2026 airport advisory committee agenda packet pdf
    2026-05-11

    Des Moines Airport Advisory Committee Meeting May 11, 2026

    Call to Order Agenda Items Item 1: Approval of Minutes Motion: “I move to approve the minutes from the Airport Advisory Committee meeting held on April 13, 2026.” Item 2: Complaints/Communications Item 3: Sea-Tac Stakeholder Advisory Round Table (StART) Meeting Update Item 4: Sustainable Airport Master Plan (SAMP) Update Item 5: Airport Committee Workplan Amendment
    CategoriesEvents TagsDes Moines, Des Moines Aviation Advisory Committee, SAMP, StART, Sustainable Airport Master Plan
  • 2026-05-11

    Des Moines airport advisory committee agenda

    Agenda for the Des Moines Airport Advisory Committee meeting covering approval of minutes, complaints/communications, StART meeting update, SAMP update, and workplan amendment discussion. Includes items about supporting city response to SAMP Draft EIS, public education efforts, and mitigation measures research.
    TagsDes Moines, Des Moines Aviation Advisory Committee, SAMP, StART, Sustainable Airport Master Plan
  • May 11 2026 airport advisory committee agenda packet pdf
    2026-05-11

    Des Moines airport advisory committee agenda

    Agenda for the Des Moines Airport Advisory Committee meeting covering approval of minutes, complaints/communications, StART meeting update, SAMP update, and workplan amendment discussion. Includes items about supporting city response to SAMP Draft EIS, public education efforts, and mitigation measures research.
    TagsDes Moines, Des Moines Aviation Advisory Committee, SAMP, Sustainable Airport Master Plan
  • 2026-04-13

    April 13 2026 Airport Advisory Committee Meeting Agenda Packet

    Meeting agenda for April 13, 2026 Des Moines Airport Advisory Committee meeting and minutes from the March 9, 2026 meeting. Agenda includes discussion of SAMP updates, StART meeting updates, committee workplan amendments, and support for city response to SAMP Draft EIS.
    CategoriesMeetings TagsCity Of Des Moines, Des Moines Aviation Advisory Committee, SAMP, StART, Sustainable Airport Master Plan
  • SAMP Appendix a Fig 4 1 Operational Forecast Through 2038 2023
    2025-12-08

    SAMP Appendix A – Fig 4-1 Operational Forecast Through 2038 (2023)

    Bar chart from a LeighFisher forecast (June 2022, updated August 2023) showing historical and projected total aircraft operations at Seattle-Tacoma International Airport, broken down by passenger airlines, all-cargo airlines, and other operations. Operations dipped to 296,000 in 2020 (COVID impact), recovered to 429,000 by 2023, and are forecast to grow to 567,000 by 2038.
    TagsLeigh-Fisher, SAMP, SAMP Draft EA, Sustainable Airport Master Plan

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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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