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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.

Since 2016, we've worked to obtain justice for residents living under the flight path. Noise. Pollution. Health. Compensation..

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  • 2025-10-07 20:52

    Des Moines City Council proposes airport legislative agenda

    Modest progress with one glitch The last meeting of the Des Moines City Council introduced a first draft of their state airport legislative agenda. There were important positive steps, marred only by one glitch. The presentation slides reflected last year’s agenda, which still mentioned funding for a fixed-site Air Quality Monitor as a goal. That
    CategoriesNews Stories TagsCity Of Des Moines, FAA
  • The PFC Explainer

    Every time you fly out of Sea-Tac, $4.50 of your ticket price goes directly to the airport. That charge, called a Passenger Facility Charge (PFC), is a multi-billion dollar fund, and one of the biggest single revenue sources for airport expansion. In the past it was used for noise-mitigation programs. Today? Not so much.
    TagsFAA, Part 150, PFC
  • 2025-09-29 14:31

    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
  • FAA PFC Approved Locations – Washington State (August 2025)

    FAA Passenger Facility Charge approved locations as of August 31, 2025; SEA shows $3.84 billion in total approved charges.
    TagsFAA, Federal Aviation Administration, Passenger Facility Charges, PFC
  • 2025-08-08 23:42

    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 21:15

    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 19:22

    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
  • Ac 150 5020 1

    TagsFAA, Federal Aviation Administration, needs-excerpt
  • Ac 150 5020-1

    TagsFAA, Federal Aviation Administration, needs-excerpt

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  • PSCAA Advisory Council Meeting Agenda
    Add to CalendarMWednesday Mar 11, 9:00am - 11:35am
    1904 3rd Avenue, Suite 105, Seattle, WA 98101
    Call to order – Roll Call – Quorum Established – Land Acknowledgement We would like to acknowledge that our Agency operates in four present-day counties, which are the traditional lands of the Coast Salish people, past and present. This acknowledgement does not take the place of authentic relationships with indigenous communities in our jurisdiction and [...]

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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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    "Des Moines Interlocal Agreement for Coordinated SAMP Review and Legal Services Powerpoint Pdf" — , 2025

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