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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.

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  • 2023-11-15

    Federal Register Policy on Definition of Aeronautical Activities

    ★ 32
    The FAA proposed updating its definition of 'aeronautical activity' to include unmanned aircraft systems (UAS), advanced air mobility (AAM), and commercial space launch operations, meaning federally obligated airports must provide non-discriminatory access to these emerging technologies. The policy clarifies that while these new operations qualify for airport access, the FAA retains authority to assess safety risks and set conditions for accommodating them. Recreational UAS, model aircraft, and model rockets are explicitly excluded from the updated definition.
    CategoriesKey Documents, Legislation TagsAdvanced Air Mobility, AIP, Airport Improvement Program, Airports, Federal Aviation AdministrationFolderUSC & CFR
  • Baggage

    Unclaimed Luggage Lined Up at Airport Baggage Claim

    A large collection of unclaimed or delayed luggage is lined up in rows at an airport baggage claim area. A monitor in the background displays 'Baggage Claim' text, and a baggage carousel is visible with travelers standing nearby.
    TagsAirports, Cargo, Sea-Tac AirportFolderAirlines
  • 2026-02-03

    Airport Finance & Grant Compliance

    This presentation on Airport Finance and Grant Compliance, delivered by finance officials from the Port of Pasco, Port of Moses Lake, and Port of Seattle, provides an overview of airport ownership structures and airport types. It covers the various entities that can sponsor and own airports, including states, cities, counties, port authorities, airport authorities, and military organizations. The presentation also outlines the different categories of airports, ranging from private and commercial to general aviation, GA reliever, military, and non-controlled FAA airports.
    TagsAirport Improvement Program, Airports, Port Of SeattleFolderState
  • 2025-11-06

    KORD Terminal Chicago O’Hare Tunnel with Moving Walkway

    This image shows the neon-lit underground pedestrian tunnel connecting concourses in Terminal 1 (United Airlines) at Chicago O'Hare International Airport (ORD), featuring Michael Hayden's 1987 art installation 'Sky's the Limit.' The watermark identifies the photo as copyright Nicholas McGowan via JetPhotos.net. This image is unrelated to Sea-Tac Airport or its noise policy.
    TagsAirports, O'HareFolderChicago O'Hare
  • Delta Air Lines Aircraft Taxiing at LaGuardia Airport

    Three Delta Air Lines aircraft — including two Delta Connection regional jets (Embraer E170/E175) and one larger Airbus A320-family aircraft — are shown taxiing on the runways at LaGuardia Airport (LGA), New York. The urban skyline of Queens/the Bronx and what appears to be Rikers Island infrastructure are visible in the background.
    Tagsaircraft, Airports, Delta, LaGuardiaFolderAirlines
  • American Airlines Passengers at Gate A29

    A large crowd of passengers with luggage waits at American Airlines Gate A29. The gate signage and American Airlines logo are clearly visible in the background.
    TagsAirline Industry, Airports, Alaska Air, Sea-Tac AirportFolderAirlines
  • Travelers Waiting in an Airport Terminal

    A line of travelers with rolling luggage waits in what appears to be an airport terminal. One individual is wearing blue medical scrubs; a green display screen is visible in the background, and a janitorial cart is visible to the left.
    TagsAirline Industry, Airports, TravelFolderAirlines
  • 2025-04-07

    Airport Committee – Set the Course for Des Moines

    The City of Des Moines, Washington (Waterland City) is recruiting up to 5 local residents to serve on its Airport Committee in an advisory capacity to the City Council, providing recommendations on airport-related matters. Applicants are directed to scan a QR code to apply or contact Community Development at rdeming@desmoineswa.gov with questions.
    CategoriesOrganizations TagsAirport Committees, AirportsFolderAd Hoc Aviation Advisory Committee
  • Aircraft landing over Gravelly Point Park in Arlington, VA

    A commercial jet on final approach to Ronald Reagan Washington National Airport flies low over a public park where visitors relax on the grass. The Washington Monument is visible on the right side of the frame, confirming the location as the Washington D.C. area.
    Tagsaircraft, Airport Noise Law, Airports, Reagan National AirportFolderReagan D.C.
  • 2025-03-01

    Crowd Gathers Around Twin-Engine Turboprop at Moses Lake Airport

    A crowd of people, many in blue uniforms and some in yellow safety vests, gather around a white twin-engine turboprop aircraft on the tarmac at Moses Lake Airport. The terminal building displays a 'Welcome to Moses Lake' sign in the background.
    CategoriesEvents Tagsaircraft, Airports, Aviation International News, Moses LakeFolderAviation

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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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