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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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  • It’s A Disaster

    With the emergence of Coronavirus, we’ve noticed a great deal of Schadenfreude among airport activists across the world. Comments such as “It’s so quiet now. We should have an outbreak like this all the time!” The thing most residents forget is that we actually did twenty years ago. It was called ‘9/11’. If you look
    Tags9/11, Coronavirus, NextGen, Politics, Third Runway
  • The problem with cities

    As one attempts to survey the landscape concerning the various negative impacts that the Sea-Tac Airport has foisted upon the surrounding communities, one quickly becomes aware of a black hole which I call ‘The Dark Time’–probably because I watched too many comic book movies with my kids. The Dark Time is the roughly decade-long period
    CategoriesChange The Culture TagsAirport Communities Coalition, SAMP, Third Runway
  • Westside Beautification, Port of Seattle Style

    Westside Beautification - Port of Seattle style
    TagsCartoon, Port Of Seattle, Third Runway
  • SEATLE PI: Ex-Des Moines mayor fined $2,500

    Article on scandal involving former mayor Don Wasson’s attempt to pack the city council and move forward with the 3rd Runway
    CategoriesFrom The Web, History TagsSeattle PI, Third Runway
  • FAA ROD For the Master Plan Update Development Actions Sea-Tac 07/01/97

    Record of Decision (ROD) providing final Federal Aviation Administration (FAA) approval for the Master Plan Update development actions adopted by the Port of Seattle (POS) on August 1, 1996, in POS Commission Resolution # 3212, as amended on May 27, 1997, in POS Commission Resolution No. 3245.
    TagsThird Runway
  • Port Of Seattle – Resolution No 3212

    Update to Master Plan passed to enable the Third Runway construction to commence. The Commission finds that the EIS for Proposed Master Plan Update Development Actions (including the PSRC-issued EIS Addendum) is adequate and meets the requirements of the State Environmental Policy Act, Ch. 43.21C RCW. Section 2. The Comnission hereby adopts the Airport Master
    CategoriesKey Documents TagsPort Of Seattle, Puget Sound Regional Council, SEPA, Third Runway
  • Admasu v. Port of Seattle

    Court of Appeals of Washington,Division 1. Kebede ADMASU, et al., Appellants, v. PORT OF SEATTLE, a Washington municipal corporation, Respondent. No. 70220–3–I. Decided: October 27, 2014 Darrell L. Cochran, Kevin Michael Hastings Pfau Cochran VertetisAmala PLLC, Tacoma, WA, Jason Paul Amala, Pfau Cochran Vertetis Amala PLLC, Seattle, WA, for Petitioner. Timothy J. Filer, Patrick J.
    CategoriesHistory, Litigation TagsAdmasu, Airports Council International, Avigation Easement, Litigation, Pfau Cochran Vertetis Amala, Property Rights, Third Runway
  • Admasu V. Port Of Seattle

    Summary of Court Of Appeals decision and opinion on Class Action by homeowners regarding increased noise after 3rd Runway.
    CategoriesFrom The Web, History TagsLegal, Third Runway
  • Frank Hansen (obituary Seattle Times)

    Frank Hansen, longtime commercial airline pilot and the first mayor of the City of SeaTac, died of cancer at his home on Dec. 21, 2013. He was 87. Frank was born on Nov. 18, 1926 in Spokane, Wash., the fifth of six children. His mother, Vesta Alexander, was the descendant of Spokane homesteaders. His father,
    CategoriesFrom The Web, History TagsCity Of SeaTac, Frank Hansen, Seattle Times, SR509, Third Runway
  • Part 150 Study 2013 – 2018 predicted noise boundary

    Part 150 Study 2018 predicted noise boundary
    TagsEIS, Environmental Impact Statement, 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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