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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(1001)

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  • Aerial View of Sea-Tac Airport Showing Terminal, Gates, and Noise-Contour Boundary Line

    Aerial photograph looking north over Seattle-Tacoma International Airport, showing the main terminal, gates with Alaska Airlines and other carrier aircraft, taxiways, and surrounding grounds. A red line is drawn on the image demarcating what appears to be a property or noise-contour boundary on an undeveloped grass area south of the airport perimeter road, adjacent to a light rail line and parking area.
    TagsAirport Expansion, Alaska Airlines, Noise Boundary, Sea-Tac Airport
  • Red Border Public Art Installation at Sea-Tac Airport

    A winding red fabric or painted pathway installation runs along a dry grassy hillside berm at Sea-Tac Airport. Alaska Airlines aircraft and terminal buildings, including the air traffic control tower, are visible in the background.
    TagsAlaska Airlines, Sea-Tac Airport, Sex Trafficking, Sky Art
  • 2023-09-28

    Comment letter on FAA review of civil aviation noise policy (FAA–2023–0855)

    The Port of Seattle and six neighboring cities (SeaTac, Burien, Des Moines, Normandy Park, Tukwila, and Federal Way) submitted comments to the FAA in September 2023, urging updates to federal aviation noise policy in response to growing community concerns around Seattle-Tacoma International Airport. The letter highlights collaborative efforts already underway, including a Fly Quiet Program and Late-Night Noise Limitation Program, which have significantly reduced overnight flight activity on the runway closest to residential areas. The signatories call on the FAA to modernize its noise metrics, lower noise thresholds, and take a broader approach to reducing aircraft noise and emissions rather than simply measuring and disclosing them.
    CategoriesCorrespondence TagsFAA, Port Of Seattle, Sea-Tac Airport, StART
  • 350 Seattle Infographic on Aviation Emissions and Sea-Tac Airport Environmental Justice

    An infographic published by 350 Seattle detailing aviation's environmental impact, including projected emissions growth to +1200% by 2050, environmental justice concerns around Sea-Tac Airport, and the claim that commercial aviation produced 918 million metric tons of CO2 in 2018. The infographic includes a map showing the 3km and 10km pollution radius around Sea-Tac Airport and calls for a reduction in aviation to meet climate goals.
    Tags350 Seattle, Aviation Emissions, Climate, Environmental Justice, Sea-Tac Airport
  • 2023-09-15

    Aircraft Approach with Airport Landing Lights

    A twin-engine wide-body commercial aircraft, landing gear deployed, descends toward a runway in overcast/foggy conditions. Visible below are standard ALSF (Approach Lighting System with Sequenced Flashers) runway approach lights on red stanchions, consistent with a major commercial airport instrument landing setup.
    TagsAir Traffic Control, aircraft, Airports, Sea-Tac Airport
  • 2023-09-08

    Airport Observation Deck Scene

    A United Airlines aircraft (appearing to be a Douglas DC-8) taxis on the runway at Sea-Tac Airport, as seen from the public observation deck. A woman in a red coat and matching handbag leans over the railing, likely with a child, watching the aircraft. Watermark reads leonotenboom.com.
    CategoriesHistory Tagsaircraft, Airways Magazine, History, Sea-Tac Airport
  • 2023-08-27

    CASE officers and contacts list

    This document appears to be an organizational roster for CASE (Citizens Against Sea-Tac Expansion), listing officer positions and contact information including a Chair (acting), Vice Chair, Treasurer, Secretary, and members of Technical and Research Committees focused on noise and environmental health concerns. The document references a goal of addressing airport expansion alternatives and includes phone numbers for key members such as Loretta Bower (Treasurer) and Joan Bell (Secretary). It likely dates from the early period of community organizing around Sea-Tac Airport expansion opposition.
    CategoriesCorrespondence TagsAirport Expansion, CASE, Citizens Against Sea-Tac Expansion, Handwritten Notes, RCAA, Sea-Tac Airport
  • 2023-08-27

    RCAA membership fact sheet

    This document is a membership fact sheet for the Regional Civil Aviation Authority (RCAA), listing dozens of member organizations opposed to Sea-Tac Airport noise and expansion, including neighborhood councils, city governments, and advocacy groups such as the Aircraft Noise Coalition (ANC) and Citizens Alternatives to Sea-Tac Expansion (CASE). Member cities include Des Moines, Normandy Park, and Tukwila, alongside institutions like Highline Community Hospital and Highline School District. The sheet highlights the broad coalition of community stakeholders united around aircraft noise abatement and opposition to airport expansion in the Seattle-Tacoma region.
    CategoriesCorrespondence TagsCASE, City Of Des Moines, RCAA, Sea-Tac Airport
  • 2023-08-27

    RCAA information on air capacity issues

    A letter from the Regional Commission on Airport Affairs (RCAA) to Senator Skratek urges review of air capacity issues related to Sea-Tac Airport expansion, noting that the expansion could negatively affect many people. The letter encloses a book suggested by Jeff Newell containing executive summaries and charts covering air capacity issues, and requests 30 minutes of the Senator's time before the final Transportation Policy Board vote on March 4. The letter is endorsed by a wide range of community organizations, cities, and advocacy groups opposed to or concerned about Sea-Tac expansion.
    CategoriesCorrespondence TagsAirport Expansion, Capacity, letter, RCAA, Sea-Tac Airport
  • 2023-08-25

    New York Times – Aviation Close Calls

    New York Times investigative article, "Airline Close Calls Happen Far More Often Than Previously Known" (Aug 2023) — reporting on the rise in near-miss air traffic incidents nationally, including sections on air traffic control staffing and specific close-call incidents.
    TagsAir Traffic Control, Aviation Safety Noise Abatement Act 1978, New York Times, Newspaper Article, Sea-Tac Airport

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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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