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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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  • 2020-06-01

    Regional Aviation Baseline Study: Working Paper 2 — Airport Needs Analysis

    This June 2020 working paper, prepared by WSP for the Puget Sound Regional Council, analyzes the aviation needs of the greater Seattle-Tacoma region across commercial passenger service, air cargo, and general aviation. It evaluates current airport performance, benchmarks regional airports against comparable systems, and identifies infrastructure challenges and opportunities to meet future demand. The study assesses system-wide requirements and multimodal access needs to guide long-term regional aviation planning.
    TagsGeneral Aviation, PSRC, Puget Sound Regional Council, Regional Aviation Baseline StudyFolderRegional Aviation Baseline Study
  • 2020-06-01

    Puget Sound Regional Council Annual Report, June 2020

    The Puget Sound Regional Council (PSRC) 2020 Annual Report outlines the organization's response to COVID-19 challenges in the Central Puget Sound region, including the distribution of $538 million in federal CARES Act funding to local transit agencies such as King County Metro, Sound Transit, and Washington State Ferries. The report also highlights an ongoing competitive process to allocate over $540 million in federal transportation funding for 2023–2024, evaluated on criteria including health and equity, safety, emissions reduction, and accessibility. PSRC continues its mission of regional planning and transportation funding coordination across four counties in the greater Seattle-Tacoma-Everett area.
    TagsCOVID-19, PSRC, Puget Sound Regional Council, Sound Transit, transportationFolderAnnual Reports
  • 2020-04-07

    Regional Aviation Baseline Study: Technical Workshop #3 Presentation

    This document presents Technical Workshop #3 of the Regional Aviation Baseline Study, held on April 7, 2020 via BlueJeans video conferencing. The workshop covered study status updates, development and evaluation of aviation scenarios (including current planned development and options to accommodate 50–100% of future demand gaps), and airport evaluation criteria. Participants reviewed potential supplemental airports and discussed next steps for the regional aviation planning process.
    TagsPresentation, PSRC, Puget Sound Regional Council, Regional Aviation Baseline StudyFolderRegional Aviation Baseline Study
  • 2020-03-26

    Regional Aviation Baseline Study

    The Regional Aviation Baseline Study, conducted by the Puget Sound Regional Council, examines 29 airports across King, Snohomish, Kitsap, and Pierce counties to understand how aviation activities interact with communities and the broader regional economy. The study identifies each airport's role, gathers stakeholder input on aviation and airspace constraints, and sets the groundwork for future regional aviation planning. While Sea-Tac Airport serves as the region's primary large hub, the study provides context for understanding how operations across all regional airports—and their associated noise and community impacts—fit into the larger Puget Sound air transportation network.
    TagsPSRC, Puget Sound Regional Council, Regional Aviation Baseline StudyFolderRegional Aviation Baseline Study
  • 2019-11-26

    Regional Aviation Baseline Study

    PSRC is leading a baseline study to provide a clear picture of the aviation activities and needs in the region and set the stage for future planning efforts. Aviation plays a critical role for people and businesses in the growing central Puget Sound region, which is currently home to 29 airports of varied sizes and functions. Continued,
    TagsPSRC, Puget Sound Regional Council
  • 2019-10-24

    Regional Aviation Baseline Study

    The Regional Aviation Baseline Study, published October 24, 2019 by the Puget Sound Regional Council, examines the roles and interactions of 29 airports across the central Puget Sound region, including Sea-Tac, Boeing Field, and Tacoma Narrows. The study aims to provide a regional perspective on how aviation activities affect communities and the broader economy, while gathering stakeholder input on aviation and airspace constraints. Its findings are intended to identify future aviation needs and inform long-term regional planning efforts.
    TagsPSRC, Puget Sound, Puget Sound Regional Council, Regional Aviation Baseline StudyFolderRegional Aviation Baseline Study
  • 2019-10-10

    Regional Aviation Baseline Study: Technical Workshop #2 Presentation

    This document presents the agenda and materials for the second technical workshop of the Regional Aviation Baseline Study, held on October 10, 2019. The workshop covered key aviation metrics across commercial service, air cargo, general aviation, and multimodal access, as well as an analysis of regional aviation needs including capacity versus demand, challenges, and opportunities by sector. A regional airspace analysis and discussion of next steps were also included.
    TagsAirspace Study, General Aviation, PSRC, Regional Aviation Baseline StudyFolderRegional Aviation Baseline Study
  • Puget Sound Gateway program kicks off

    Connecting SR 167 and SR 509 to I-5 Puget Sound Gateway program will help move freight faster. (Photo – Port of Tacoma) State and regional leaders celebrated the beginning of the Puget Sound Gateway Program this month. This multiyear program will complete SR 167 in Pierce County and SR 509 in King County. These new
    CategoriesFrom The Web TagsPSRC, Puget Sound Regional Council, SR509
  • 2019-09-17

    RCW 47.80.020: Regional transportation planning organizations authorized

    Washington State law (RCW 47.80.020) authorizes the creation of Regional Transportation Planning Organizations (RTPOs), formed through voluntary associations of local governments within contiguous counties. Each RTPO must meet minimum population and geographic requirements, include all counties in the region, and have at least 60% of cities and towns representing 75% of the regional city/town population as members. In urbanized areas, the RTPO is the same body as the federally designated Metropolitan Planning Organization (MPO), also known as a COG.
    Tagsnon-aviation transportation, PSRC, RCW, Regional Transportation Plan, Washington State LegislatureFolderSP #2
  • Where’s the next Sea-Tac? Aviation here is expected to soar

    A new study predicts demand for airline service in the Puget Sound region will double by 2050. By Janice Podsada • July 2, 2019 11:30 am SEATTLE — Demand for passenger air service and air cargo capacity in the Puget Sound region is expected to soar over the next three decades, an ongoing aviation study says. Passenger
    CategoriesFrom The Web TagsPSRC, Puget Sound Regional Council, Seattle Weekly

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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...]


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!

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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