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STNI
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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.

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  • 2025-09-29

    Why Is Your Flight Always Delayed? Blame Government Shutdowns.

    By Binyamin Appelbaum Opinion Writer Sept. 29, 2025 The Federal Aviation Administration doesn’t have enough air traffic controllers to control the nation’s air traffic. It’s a big problem. Airlines have been forced to delay, reschedule or cancel thousands of flights, especially at Newark Liberty International Airport in New Jersey. If you’ve flown recently, perhaps you’ve
    CategoriesFrom The Web TagsATC, FAA, New York Times
  • Part 150 for Dummies

    Read this, including the recent update, and then attend the upcoming Port of Seattle Part 150 workshops.
    TagsDNL65, FAA, FAA Density Guidelines, Part 150
  • 2025-08-08

    Stone LLP | Complete List of FAA Grant Assurances

    Complete List Of FAA Grant Assurances Complied by the Airport & Aviation Attorneys at STONE LLP Grant Assurances Applicable To Airports and Airport Sponsors As of the writing of this webpage, the FAA mandates a total of 39 grant assurances and these apply to each airport’s performance of its grant agreement with the federal government
    CategoriesFrom The Web TagsAirport, FAA, Stone LLP
  • 2025-08-07

    More than 1,000 United Airlines flights delayed in the US due to technology problem

    By  JACK BROOK and LISA BAUMANN A technology issue prompted United Airlines to ground planes at major U.S. airports Wednesday and more than 1,000 flights were delayed. The impacted system, called Unimatic, houses flight information that is fed to other systems including those that calculate weight and balance and track flight times, according to United. It’s not clear
    CategoriesFrom The Web, News Stories TagsAssociated Press, Commercial Aviation, FAA
  • 2025-07-07

    Significant Changes to the National Environmental Policy Act Affecting Airport Projects

    The National Environmental Policy Act (NEPA) has seen seismic changes in the past several months. On June 30, 2025, FAA rescinded its previous NEPA procedures and issued new Order 1050.1G, Environmental Impacts: Policies and Procedures, to address the recent rescission of the Council on Environmental Quality (CEQ) NEPA regulations, recent Executive Orders, and a recent
    CategoriesFrom The Web, News Stories TagsFAA, Kaplan Kirsch Rockwell, NEPA
  • 2025-05-13

    FAA-2025-0605-0008 attachment 1-SFO

    TagsAIP, Executive Orders, FAA, SFO
  • 2025-05-13

    Opposition to proposed revisions in FAA grant program, removing Environmental Justice, Climate, and Leaded fuel requirements

    Re https://www.regulations.gov/docket/FAA-2025-0605 Our comment to https://www.regulations.gov/docket/FAA-2025-0605 on the negative impacts new FAA regulations will have on Sea-Tac and KCIA airport communities. Although the new regulations are confined to the AIP grant program, because they are being implemented via Executive Order, it is likely that similar features will be tacked onto all FAA programs concerning leaded
    CategoriesNews Stories TagsAIP, FAA
  • 2025-05-11

    Key Provisions in the 2024 FAA Reauthorization Act and Related GAO Work

    GAO-25-108502 Published: May 15, 2025. Publicly Released: May 15, 2025. Fast Facts The U.S. national airspace system is the busiest and most complex in the world, with over 45,000 flights per day. The Federal Aviation Administration Reauthorization Act of 2024 directs FAA on how the agency is to ensure its safety and efficiency. We testified
    CategoriesFrom The Web TagsFAA, FAA Reauthorization, GAO
  • 2025-05-08

    A Frightening Moment to Fly (The Daily Podcast)

    A 90-second failure of Newark Airport’s air-traffic safety systems, which blacked out communication to planes carrying thousands of passengers, has exposed a new level of crisis in air travel. Kate Kelly, an investigative reporter for The New York Times, explains what the problems at one of the country’s biggest airports tell us about air-travel safety
    CategoriesFrom The Web TagsATC, Commercial Aviation, FAA, New York Times, Newark Liberty Airport (EWR), podcasts
  • 2025-05-08

    FAA unveils overhaul of troubled US air traffic control system ‘Brand New’

    By  JOSH FUNK and JOHN SEEWER The Trump administration on Thursday proposed a multibillion-dollar overhaul of a U.S. air traffic control system that it said still relies on floppy disks and replacement parts found on eBay and has come under renewed scrutiny in the wake of recent deadly plane crashes and technical failures. The plan calls for six new air traffic
    CategoriesFrom The Web TagsAssociated Press, ATC, FAA

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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...]


Help study childhood asthma. Get free HEPA filter!

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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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