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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.

TagSea-Tac Airport(1835)

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  • 2024-04-16

    April 15, 2024 Protest Q&A from King County Prosecutor’s Office

    King County Leaders, Sharing a note that we sent to reporters within the past hour who had questions about yesterday’s protest at Sea-Tac International Airport (SEA). Please reach out if you have any additional questions for us. -Douglas Douglas E. Wagoner, MPA (He/Him) Deputy Director of Communications King County Prosecuting Attorney’s Office O (206) 514-7643
    CategoriesNews Stories TagsSea-Tac Airport
  • 2024-04-16

    Law Enforcement Response at Airport During Protest

    Riot-equipped police officers stand over individuals lying on the ground near a concrete barrier at what appears to be Sea-Tac Airport. An American Eagle regional jet (registration N311VE) is visible in the background at the terminal.
    CategoriesEvents, News Stories TagsActivism, Port Of Seattle, Protest, Public Safety, Sea-Tac AirportFolderPublic Safety
  • 46 arrested after pro-Palestinian protest shut down SEA Airport road for hours

    The expressway leading to Seattle-Tacoma International Airport was blocked by pro-Palestinian protesters on Monday, April 15, 2024. (Image courtesy of KIRO 7) BY JULIA DALLAS MyNorthwest Content Editor Pro-Palestinian protesters gathered across the nation Monday, including in the Seattle area, blocking landmarks and highways to bring attention to the war in the Middle East. The expressway
    CategoriesFrom The Web TagsSea-Tac Airport
  • Protest Near Sea-Tac Airport Over Gaza War

    Protesters holding Palestinian flags and a banner reading 'Our Taxes Are Funding Genocide' block a multi-lane highway near what appears to be Sea-Tac Airport. The demonstration has caused a significant traffic backup with dozens of vehicles stopped on the roadway.
    TagsActivism, Protest, Sea-Tac AirportFolderPublic Safety
  • Port Of Seattle Police Ford F-150 (Unit #2149) in Sea-Tac Airport Parking Garage

    A Port of Seattle Police Ford F-150 (unit #2149) is parked in what appears to be a multi-level parking garage, likely at Seattle-Tacoma International Airport. The Port of Seattle Police badge/logo is clearly visible on the hood of the black patrol vehicle.
    TagsParking, Port Of Seattle, Public Safety, Sea-Tac AirportFolderPublic Safety
  • 2024-04-11

    Climate Protest Signs with Fossil Free Future Theme

    Protesters march through an urban area carrying signs reading 'Fossil Free Future' and 'Stop the Money Pipeline to Climate Destruction.' Many participants wear face masks, suggesting the event took place during the COVID-19 pandemic era.
    CategoriesEvents TagsActivism, Alternative Fuels, Aviation Emissions, Climate, Fossil Fuels, Protest, Sea-Tac AirportFolderPublic Safety
  • 2024-04-03

    Des Moines City Hall Exterior

    Exterior view of Des Moines City Hall, address 21630, located in Des Moines, Washington — a city directly affected by Sea-Tac Airport flight operations and noise policy. The building features a covered entry walkway with wood-panel canopy, landscaped grounds, and signage reading 'Des Moines City Hall.'
    TagsCity Of Des Moines, Des Moines, Sea-Tac AirportFolderDes Moines
  • Upgrade SEA — The Next Era of Capital Projects Takes Flight

    By Aly Lande, Capital Project Marketing Specialist Picture an airport journey without long lines and overflowing crowds. You follow a predictable and easy path from curb to gate with the space, services, and amenities that make your trip just right. There is more of what you know and love about Seattle-Tacoma International Airport (SEA), plus more
    CategoriesFrom The Web TagsSea-Tac Airport
  • 2024-03-19

    Engrossed Second Substitute Senate Bill 5955: Large Port Districts—Aircraft Noise Mitigation

    Washington State's Engrossed Second Substitute Senate Bill 5955, signed into law on March 19, 2024, addresses aircraft noise mitigation for large port districts like the Port of Seattle, which operates Seattle-Tacoma International Airport. The law allows the port to repair or replace noise mitigation equipment that is no longer functioning properly or has caused structural damage to nearby properties, using non-federal local funding. It also acknowledges that communities of color — including Black, Hispanic, Native Hawaiian, and Pacific Islander residents in King County — are disproportionately impacted by airport noise, and establishes a state partnership to improve equity and responsiveness in noise mitigation efforts.
    TagsLegislation, Noise Mitigation, RCW 53.54.020, SB5955, Sea-Tac Airport, Washington State LegislatureFolderSB5955
  • 2024-03-13

    Final Bill Report: E2SSB 5955 — Mitigating Harm and Improving Equity in Large Port Districts

    Washington State E2SSB 5955 creates the Port District Equity Fund to help large port districts, such as the Port of Seattle, repair or replace failing aircraft noise mitigation equipment in nearby homes and properties. The Department of Commerce administers the grant program, which requires port districts to match at least half of state funding, and mandates annual public reporting on inspections and repairs. The program is set to expire July 1, 2029, with a legislative audit review, and will be fully repealed by July 1, 2030.
    TagsDepartment Of Commerce, Legislation, Noise Mitigation, SB5955, Sea-Tac Airport, Washington State LegislatureFolderSB5955

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Upcoming Events

  • Stay Grounded Event: Night trains, not night planes!
    Add to CalendarMSunday Sep 13: 12:00am
    Ntnnp social media3

    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.

    [...]
  • Burien Airport Committee Meeting September 15, 2026
    Add to CalendarMTuesday Sep 15: 6:00pm
    400 SW 152nd St, Burien, WA 98166
    Burien airport committee 15 sep 2026 agenda pdf pdf

    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

    [...]

[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!

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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