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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 : Events(315)

Events in red are upcoming!

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  • Part 150 NCP Workshop — Burien

    Attend a Port of Seattle open house on the Part 150 Study Noise Compatibility Program (NCP). The Part 150 program determines the noise boundary around the airport and opportunities for noise mitigation such as sound insulation.
    CategoriesEvents TagsPart 150
  • Part 150 NCP Workshop — SeaTac

    Attend a Port of Seattle open house on the Part 150 Study Noise Compatibility Program (NCP). The Part 150 program determines the noise boundary around the airport and opportunities for noise mitigation such as sound insulation.
    CategoriesEvents TagsPart 150
  • Part 150 NCP Workshop — Des Moines

    Attend a Port of Seattle open house on the Part 150 Study Noise Compatibility Program (NCP). The Part 150 program determines the noise boundary around the airport and opportunities for noise mitigation such as sound insulation.
    CategoriesEvents TagsPart 150
  • 2026-09-26

    UECNA Night Flights Seminar September 23, 2026

    Event: UECNA (Union) launch of a report on night flights, commissioned from the Aviation Environment Federation (AEF) Chair: John Stewart John Stewart — Chair, UECNA Bertie Lloyd — Aviation Environment Federation (AEF), author of the report Mira Kapfinger — Stay Grounded Network Night Flights in Europe: Trends, Impacts and Policy Responses [0:03] John Stewart: Hello
    CategoriesEvents TagsEurope, UECNA
  • Highline forum agenda final 23sept2026 pdf
    2026-09-23

    Highline Forum Agenda – September 23, 2026

    Highline Forum Agenda Theme: Part 150 Update and PortJobs Overview 2:30pm – Convene Meeting/Introductions Port Co-Chair, Commissioner Mohamed 2:35pm – Public Comments Audience The meeting will be held in person and virtually. Those wishing to provide public comment may: 1) Deliver public comment via email; 2) Deliver public comment via Microsoft Teams; or 3) Deliver
    CategoriesEvents TagsHighline Forum, Part 150, Port Of Seattle, SAMP, StART
  • 2026 09 22 rm packet pdf
    2026-09-22

    Port of Seattle Regular Commission Meeting September 22, 2026

    [0:29] Cho: This is Commission Secretary Sam Cho convening the regular meeting of September 22nd, 2026. The time is now 12:07 p.m. We’re meeting in person today at the SEA Conference Center and virtually on Microsoft Teams. Commissioner Calkins and Felleman are absent and excused from attendance today. Commissioner Hasegawa will be joining us online.
    CategoriesEvents TagsPort Of Seattle, Port Of Seattle Commission, Ryan Calkins, Stephen Metruck
  • Burien airport committee 15 sep 2026 agenda pdf pdf
    2026-09-15

    Burien Airport Committee Meeting September 15, 2026

    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
    CategoriesEvents TagsBurien Airport Committee, Part 150, SAMP, SCA, StART
  • Ntnnp social media3
    2026-09-13

    Stay Grounded Event: Night trains, not night planes!

    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.
    CategoriesEvents Tagscommunity engagement, Noise, Stay-Grounded
  • 2026 09 09 rm packet pdf 3
    2026-09-09

    Port of Seattle Regular Commission Meeting September 9, 2026

    Order of Business 10:30 a.m. 1. Call to Order 2. Executive Session – if necessary, pursuant to RCW 42.30.110 (executive sessions are not open to the public) 12:00 p.m. – Public Session Reconvene or Call to Order and Pledge of Allegiance 3. Approval of the Agenda 4. Special Orders of the Day 5. Executive Director’s
    CategoriesEvents TagsPort Of Seattle Commission, Sea-Tac Airport, Stephen Metruck
  • Cawg agenda sep 3 26 virtual pdf
    2026-09-03

    Commercial Aviation Work Group

    Meeting Agenda 10:00 a.m. – 10:15 a.m. | Welcome – Evan Nordby, Chair a. Introductions and Agenda Review b. Status of appointments and non-voting member invitations c. Other updates as necessary 10:15 a.m. – 11:00 a.m. | Is it practical and legal to operate the western Washington [Puget Sound] airports as a single airport system?
    CategoriesEvents, Meetings TagsAdvisory Committees, Commercial Aviation, Commercial Aviation Work Group, General Aviation, Puget Sound, WSDOT

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Upcoming Events

  • Part 150 NCP Workshop — Burien
    Add to CalendarMSaturday Oct 17: 10:00am

    Attend a Port of Seattle open house on the Part 150 Study Noise Compatibility Program (NCP). The Part 150 program determines the noise boundary around the airport and opportunities for noise mitigation such as sound insulation.

    [...]
  • Part 150 NCP Workshop — SeaTac
    Add to CalendarMMonday Oct 19: 6:00pm

    Attend a Port of Seattle open house on the Part 150 Study Noise Compatibility Program (NCP). The Part 150 program determines the noise boundary around the airport and opportunities for noise mitigation such as sound insulation.

    [...]
  • Part 150 NCP Workshop — Des Moines
    Add to CalendarMTuesday Oct 20: 6:00pm

    Attend a Port of Seattle open house on the Part 150 Study Noise Compatibility Program (NCP). The Part 150 program determines the noise boundary around the airport and opportunities for noise mitigation such as sound insulation.

    [...]

[See all...]


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.
read more...

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.
continue...

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Subscribe to the only podcast devoted to helping people under the flight path everywhere. It’s definitely not just about noise!

Most Recent: Ep #43 Air Quality Monitoring Update (Raw!)

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