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STNI
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.

TagThird Runway(116)

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  • 1994-10-27

    PSRC Resolution EB-94-01

    WHEREAS, State law fails to address the issue of incentives and compensation beyond normal mitigation for those cornunities which are recipients of essential public facilities; and WHEREAS, the cost of building a major supplemental airport would impose a substantial new financial encumbrance which would conflict with other important regional obligations, while the cost of building
    CategoriesKey Documents TagsPSRC, Puget Sound Regional Council, Third Runway
  • Letter to Barbara Stuhring re Deicing Ethylene Glycol water treatment

    TagsDeicing, EIS, Ethylene Gycol, FAA, letter, Third Runway, Water Quality
  • Airport Communities Coalition (ACC)

    The cities of Burien, Tukwila, Des Moines, and Normandy Park formed the Airport Communities Coalition in 1993 to stopped the proposed construction of the third runway. The coalition was eventually expanded to include the Highline School District and the City of Federal Way. The group used lawsuits and appeals to contest studies and permits. The
    TagsAirport Communities Coalition, Third Runway
  • Activists struggle with unseen foe

    TagsHighline Times, Minnie O Brasher, Third Runway
  • 1992-10-05

    The Adverse Health Impacts Of Airport Expansion With Particular Reference To Sea-Tac Airport

    For the time, an excellent overview of the expected health harms from Sea-Tac Airport, including the expected increase in impacts from building a Third Runway. The report also provides a very sophisticated political analysis; correctly predicting the Port’s approach to greenwashing those harms.
    TagsDennis Hansen, Lee Sanders, RCAA, Third Runway
  • HB 2609-S.SL 1992 Air Transportation System–Runway Construction Moratorium and Studies

    HB2609 was sponsored by 33rd District Rep and former Des Moines Mayor Lorraine Hine. It was a response to the end of the Flight Plan study which, having failed to site a ‘second airport, recommended moving forward with a Third Runway at Sea-Tac. It was a noble effort, but the legislation simply delayed that process
    CategoriesHistory TagsFlight Plan Project, Lorraine Hine, Third Runway

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Upcoming Events

  • Port of Seattle Regular Commission Meeting April 28, 2026
    Add to CalendarMTuesday Apr 28: 12:00pm
    17801 International Blvd, Seattle, WA 98158
    2026 04 28 RM Packet Pdf 1

    # New Business Items
    **Order No. 2026-04:** Directs Executive Director to explore a program facilitating secure area access for union business requirements at Seattle-Tacoma International Airport.

    **Resolution No. 3848:** Approves Port's participation in City of Bellevue's Tax Increment Area.

    **Fishermen's Terminal C-15 Building Improvements:** Authorization for Executive Director to approve funding to advertise and execute a major public works construction contract for project completion.

    [...]
  • StART (SEA Stakeholder Advisory Round Table) Meeting
    Add to CalendarMWednesday Apr 29, 5:00pm - 7:00pm
    Zoom Webinar
    Start Meetingagenda 2026429 Pdf 1

    - **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.

    [...]
  • KCIA Vision 2045 Open House
    Add to CalendarMThursday May 14, 5:30pm - 7:30pm
    KCIA Flight Service Station, 6526 Ellis Ave. S. Seattle, WA 98108
    Kcia Boeing Field Beautyshotkcia

    King County International Airport-Boeing Field is at a pivotal moment, developing comprehensive plans that will determine its operations through 2045. The airport's Vision 2045 Airport Plan and Part 150 Study represent crucial strategic initiatives to balance safe, efficient operations with evolving aviation demands and community needs.

    Join airport officials on Thursday, May 14 (5:30-7:30 p.m.) at the KCIA Flight Service Station to discover the preferred alternative for the airport's future development. This isn't just another planning meeting—it's your opportunity to understand how proposed projects and improvements will directly impact aviation services, local operations, and surrounding communities.

    The Vision 2045 plan incorporates extensive stakeholder feedback and addresses critical infrastructure needs for future demand. Meanwhile, the Part 150 Study focuses on noise compatibility programs, ensuring community concerns remain central to planning decisions.

    With environmental analysis nearing completion and submissions to King County Council and the FAA approaching, this open house offers essential insights into decisions that will shape regional aviation for decades.

    Visit KCIAplanning.com for updates.

    [...]

[See all...]


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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!

This is the first study to combine a one-year mobile monitoring campaign with PMF (Positive Matrix Factorization) analysis to simultaneously estimate source-specific air pollution exposures and emission factors of different vehicle types. This methodology can be extended to other metropolitan areas.
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