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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.

Tagcommunity engagement(226)

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  • 1 intro planning framework pdf
    2026-08-28

    Introduction, City Vision, and Planning Framework

    The City of SeaTac's Comprehensive Plan, first adopted in 1994 and updated through 2024, serves as a long-range planning guide for the city through 2044, outlining community goals, land use policies, and steps for achieving them under Washington State's Growth Management Act. The plan is supported by three subarea plans covering the city's urban villages, including areas near light rail stations. Note: while this document covers SeaTac's broad planning framework, it does not specifically address airport noise policy.
    TagsCity Of SeaTac, community engagement, Comprehensive Plan, Land UseFolderComprehensive Plan
  • 2026-08-26

    In-Person StART Meeting August 26, 2026

    Agenda and facilitation slides for the in-person SEA Stakeholder Advisory Round Table (StART) meeting held August 26, 2026, organized by the Port of Seattle. Topics include StART Operating Procedures discussion, Part 150 Noise Study update, Aviation Noise Working Group update, Policy Working Group update, and public comment. Facilitation provided by Uncommon Bridges (Andres Mantilla, Julia
    Tagscommunity engagement, Part 150, Port Of Seattle, StARTFolder2026
  • START operating procedures presentation august 26, 2026 0 pdf
    2026-08-26

    In-Person StART Meeting August 26, 2026

    Agenda and facilitation slides for the in-person SEA Stakeholder Advisory Round Table (StART) meeting held August 26, 2026, organized by the Port of Seattle. Topics include StART Operating Procedures discussion, Part 150 Noise Study update, Aviation Noise Working Group update, Policy Working Group update, and public comment. Facilitation provided by Uncommon Bridges (Andres Mantilla, Julia
    Tagscommunity engagement, Part 150, Port Of Seattle, StARTFolder2026
  • 2026-08-26

    StART Meeting Summary, August 26, 2026

    Meeting summary of the SEA Stakeholder Advisory Round Table (StART) hybrid session held August 26, 2026, facilitated by Andrés Mantilla of Uncommon Bridges, with Wendy Reiter, Airport Managing Director, Port of Seattle. Primary agenda item was review of StART Operating Procedures, covering five feedback themes: Leadership & Governance (Steering Committee composition, Co-Chair model, agenda setting,
    Tagscommunity engagement, Highline Forum, Part 150 TRC, Port Of Seattle, StART, Wendy ReiterFolder2026
  • START meeting summary 8 26 draft pdf
    2026-08-26

    StART Meeting Summary, August 26, 2026

    Meeting summary of the SEA Stakeholder Advisory Round Table (StART) hybrid session held August 26, 2026, facilitated by Andrés Mantilla of Uncommon Bridges, with Wendy Reiter, Airport Managing Director, Port of Seattle. Primary agenda item was review of StART Operating Procedures, covering five feedback themes: Leadership & Governance (Steering Committee composition, Co-Chair model, agenda setting,
    Tagscommunity engagement, Highline Forum, Port Of Seattle, StART, Wendy ReiterFolder2026
  • Highlineschoolboardofdirectors 2026 1
    2026-08-18

    Highline School Board Calls for Protections, Investment as Airport Expansion Moves Forward

    Highline School Board Calls for Protections, Investment as Airport Expansion Moves Forward Aug 19 2026 The Highline Public Schools Board of Directors voted unanimously to submit a letter to the Port of Seattle calling for stronger protections and greater investment in schools and communities affected by plans to expand Seattle-Tacoma International Airport. In the letter,
    CategoriesCorrespondence, From The Web, Press Release TagsAirport Expansion, community engagement, Highline Schools, Noise Mitigation, Port Of Seattle Commission
  • Event image 2
    2026-08-15

    KCIA 2026 FOD Walk

    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 clean and safe! The FOD Walk is a great chance to connect, learn, and have fun while helping out. Whether you’re a pro or just curious, everyone’s welcome to join the
    CategoriesEvents Tagscommunity engagement, KCIA, King County, Runways
  • Dcw5yweh8qnxhkqpxuds 3780 1000
    2026-08-09

    KCIA Vision 2045 Airport Plan and Part 150 Study

    King County International Airport is planning for the future. Learn more about the Vision 2045 Airport Plan and the Part 150 Study and how to provide your input throughout the planning process. Help us plan for the future of King County International Airport King County International Airport (KCIA) is undertaking two important studies to plan
    CategoriesFrom The Web TagsBoeing Field, community engagement, FAA, KCIA, King County, Noise, Part 150
  • 2026-07-30

    August Plane Talk: Boeing Seafair Air Show, New VFR Routes, and Airport News

    Boeing Seafair Air Show runs today through Sunday The U.S. Navy Blue Angels during practice yesterday at King County International Airport-Boeing Field.  The Boeing Seafair Air Show kicks off today and runs through Sunday. Along with the U.S. Navy Blue Angels, performers include Torrey Ward’s Microjet and the U.S. Marine Corps F-35B, a vertical takeoff
    CategoriesFrom The Web Tagsaircraft, community engagement, FAA, King County
  • Event image 1
    2026-07-18

    Rep. Adam Smith Aviation Forum

    From the Office of Congressman Adam Smith: Highline College (Building 8, Mt. Townsend Room)Des Moines, WA Saturday, July 18 • 1 PM – 2 PM Join Rep. Adam Smith for an Aviation Forum. Attendees will have questions and concerns about aviation noise and emissions. RSVP today! Representative Adam Smith is hosting an aviation forum with
    CategoriesEvents Tagscommunity engagement, Des Moines, Noise, pollution, Port Of Seattle Commission

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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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