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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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  • Sea-Tac Airport Map Showing Cargo Facilities, Fire Station, and PFAS Firefighting Foam Training Areas

    An infographic by Mark Nowlin published in The Seattle Times, sourced from Esri, showing a map of Seattle-Tacoma International Airport (Sea-Tac) and its cargo facilities, fire station, terminals, and Link Light Rail corridor. The graphic explains that from the early 1980s through most of the 1990s, crash-response crews trained at the airport using PFAS firefighting foams.
    TagsFire fighting, Map, PFAS, Sea-Tac Airport, Seattle Times
  • TessaDEM Elevation Heatmap of Sea-Tac Airport and Surrounding Communities

    A TessaDEM/Esri elevation heatmap centered on Seattle-Tacoma International Airport and surrounding communities including Burien, Tukwila, SeaTac, and Normandy Park. The color scale ranges from 0 m (cyan/blue) to 157 m (deep red), with the highest elevations visible in the airport's central plateau and adjacent residential areas to the east near S. 164th–S. 182nd Streets.
    TagsKing County, Map, Sea-Tac Airport, Seattle
  • Sea-Tac Airport Satellite Overview — Three Parallel Runways and Terminal Complex

    Google Earth satellite image of Seattle-Tacoma International Airport (Sea-Tac), showing the airport's three parallel runway system, terminal complex, concourses, and surrounding communities in SeaTac, Washington. The airport name label and Google Earth watermark are both visible in the image.
    TagsMap, Runways, Sea-Tac Airport
  • Future Sea-Tac Airport Expansion — Independent Runway Plans East (Runway B, 1 Mile) and West (Runway A, 4,300 ft) of 34R

    Architectural/planning drawing titled 'Future Sea/Tac Airport Expansion with an Independent Runway One Mile East of 34R,' showing Plan A layout with an independent runway 4,300 feet west of runway 34R. The drawing, credited to Don Getsick, depicts proposed runways (East Runway B, West Runway A), taxiways, satellite terminals, tramway, underground tram, off-site parking/hotel/business core, and surrounding streets including International Blvd, Des Moines Way S, and 1st Ave South, with Angle Lake and Bow Lake visible.
    CategoriesHistory TagsAirport Expansion, Airport Layout Plans, Fourth Runway, Map, Runways, Sea-Tac Airport
  • 2022-12-02

    Future Sea-Tac Airport Expansion — Independent Runway Plans East (Runway B, 1 Mile) and West (Runway A, 4,300 ft) of 34R

    This document presents two conceptual expansion plans for Seattle-Tacoma (Sea-Tac) Airport, showing proposed future runway configurations including an independent runway located one mile east of runway 34R (Plan A shows an alternative 4,300 feet west of 34R). The drawings detail proposed taxiways, satellite terminals, a future commuter runway, an underground tram system, and associated ground infrastructure such as off-site parking and hotel/business core areas. These plans were likely developed as part of noise and capacity planning studies to evaluate how additional independent runways could affect surrounding communities, including areas near Angle Lake, Bow Lake, and along key corridors such as International Boulevard and Des Moines Way South.
    TagsMap, Runways
  • Vote Map H951532

    TagsMap
  • Choropleth Map of US Congressional Districts or Counties Shaded by Likely Party Affiliation

    A choropleth map of the contiguous United States plus Alaska and Hawaii showing congressional districts or counties shaded in red and blue, likely indicating Republican and Democratic party affiliation or election results. No title, date, or legend text is visible in the image.
    TagsMap, Politics
  • U.S. County-Level Vote Map With Regional Highlights

    A map of the contiguous United States displaying county or district boundaries, with select areas highlighted in blue (primarily in California and the Pacific Northwest) and orange/red (primarily in the mid-Atlantic region, including areas around Maryland/Virginia). No labels, title, or legend are visible to identify the specific data being represented.
    TagsMap, Politics
  • US Choropleth Map Likely Showing Election Results or Party Affiliation by District

    A choropleth map of the United States showing districts or counties colored in red and blue, likely representing Republican and Democratic party affiliations or election results. One state (Wyoming) appears white/uncolored, and a small area near the Great Lakes is shaded in a neutral orange-tan color, possibly indicating a third-party result or missing data.
    TagsMap, Politics
  • Maury Island Barge Path to Des Moines Beach Park

    A Google Earth satellite image (Landsat/Copernicus imagery) showing a red polygon outlining an area of Puget Sound near Vashon Island, with yellow pins marking Glacier Northwest and Des Moines Beach Park. The map covers approximately 4 miles of water between what appears to be a peninsula near Glacier Northwest's facility and the Des Moines, Washington shoreline.
    TagsDes Moines, Map, Marine, Puget Sound

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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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