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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.

TagPuget Sound Regional Council(191)

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  • 2019-06-11

    Regional Aviation Baseline Study: Technical Workshop #1 Presentation

    This document is a presentation from the first Technical Workshop of the Regional Aviation Baseline Study, held on June 11, 2019. It covers an overview of airport and aviation activities in the region, including data collection, economic context, trends and forecasts, and multimodal transportation connections. The workshop also addressed goal areas, objectives, and performance metrics to inform future regional aviation policy.
    TagsPSRC, Puget Sound Regional Council, Regional Aviation Baseline StudyFolderRegional Aviation Baseline Study
  • 2019-05-01

    Puget Sound Regional Council Annual Report 2018

    The Puget Sound Regional Council's 2018 Annual Report highlights regional transportation milestones, including the opening of the new Paine Field Passenger Terminal in Snohomish County — a project described as decades in the making. The report features a message from PSRC President and Snohomish County Executive Dave Somers and Executive Director Josh Brown, celebrating the terminal as a major economic and travel resource for the greater Puget Sound region. Note: this document focuses on regional planning and infrastructure progress and does not directly address Sea-Tac Airport noise policy.
    TagsPaine Field, PSRC, Puget Sound Regional Council, Snohomish CountyFolderAnnual Reports
  • 2019-03-19

    Burien Airport Committee meeting agenda, March 19, 2019

    The Burien Airport Committee met on March 19, 2019 to discuss concerns about Sea-Tac Airport's impact on the surrounding community, including noise pollution, safety, and health effects. The agenda included updates on federal and regional aviation policy efforts, and a review of three resolutions adopted by the Burien City Council on January 28, 2019, addressing airport growth, noise pollution, and requests for health impact monitoring. The committee also discussed priorities for 2019 and how to advance action on these resolutions at the local, state, and federal levels.
    TagsBurien Airport Committee, Puget Sound Regional Council, SAMP, Sea-Tac Airport, StARTFolderBurien Airport Committee
  • 2019-02-01

    Regional Aviation Baseline Study

    The Puget Sound Regional Council launched a two-year Regional Aviation Baseline Study, funded by a $1.6 million FAA grant, to assess the aviation system across King, Pierce, Snohomish, and Kitsap counties. The study examined existing airport roles, economic contributions, airspace capacity, and community impacts to build a technical foundation for future regional aviation planning decisions. Conducted in phases from 2019 to 2020, the study included stakeholder engagement, public meetings, and a final report outlining strategies for accommodating future aviation demand in the central Puget Sound region.
    CategoriesMeetings TagsAirspace Study, PSRC, Puget Sound Regional Council, Regional Aviation Baseline StudyFolderSP #1
  • 2019-01-24

    Regional Aviation Baseline Study: PSRC Executive Board Presentation

    A January 2019 report to the Puget Sound Regional Council examines aviation demand in the Central Puget Sound region, where the population grew from 3.7 million to 4.1 million people and jobs increased from 1.9 million to 2.3 million between 2010 and 2018. Over roughly the same period, passenger traffic at Seattle-Tacoma International Airport rose 43% to 46.9 million passengers, while aircraft operations increased 32% to 416,000 annually. The study establishes a baseline for understanding how this rapid regional growth is driving increased aviation activity, with implications for noise and capacity planning.
    TagsPSRC, Puget Sound Regional Council, Regional Aviation Baseline Study, Sea-Tac AirportFolderRegional Aviation Baseline Study
  • 2018-12-21

    Washington State air cargo movement study: Final report

    This December 2018 final report, prepared by WSP and KPA for Washington State's Joint Transportation Committee, examines air cargo movement across Washington State, including operations at major facilities such as Seattle-Tacoma International Airport (Sea-Tac), Boeing Field, Paine Field, Spokane International, and the Port of Moses Lake. The study involved a broad stakeholder panel of legislators, port representatives, airlines, freight forwarders, and transportation agencies to assess the state's air cargo infrastructure and needs. It serves as a planning resource for understanding freight aviation activity in the region, though it is not primarily focused on airport noise policy.
    TagsBoeing Field, Cargo, Puget Sound Regional Council, Spokane International Airport, State of WashingtonFolderState
  • 2018-12-14

    2019 local and regional government policy priorities briefing

    This January 2019 Port of Seattle Commission briefing outlines the agency's local and regional government policy priorities for 2019, covering areas such as climate and sustainability, regional transportation, workforce development, maritime projects, and aviation. On the airport side, key priorities include advancing the Sustainable Airport Master Plan (SAMP) near-term projects to address regional demand, and engaging surrounding South King County communities through forums like the Sea-Tac Stakeholder Advisory Round Table (StART). The document reflects the Port's broader effort to balance airport growth with community concerns, economic opportunity, and environmental responsibility.
    Tagslegislative priorities, Port Of Seattle, Port Of Seattle Commission, Puget Sound Regional Council, Sea-Tac AirportFolderMeetings
  • 2018-11-28

    Regional Aviation Baseline Study

    A November 2018 presentation by the Puget Sound Regional Council examined regional aviation needs against a backdrop of rapid growth in the central Puget Sound area, where the population rose from 3.7 million to 4.1 million people between 2010 and 2018. Over the same period, the region's job count grew from 1.9 million to 2.3 million, reflecting a strong and expanding economy. The study established a baseline for understanding how this growth affects aviation demand and, by extension, noise and capacity pressures at airports such as Sea-Tac.
    TagsHighline Forum, PSRC, Puget Sound Regional Council, Regional Aviation Baseline StudyFolderHighline Forum 2017
  • 2018-11-28

    Regional Aviation Baseline Study

    A November 2018 presentation by the Puget Sound Regional Council examined the growing demand for aviation in the central Puget Sound region, driven by rapid population growth from 3.7 million to 4.1 million people and job growth from 1.9 million to 2.3 million jobs between 2010 and 2018. The Regional Aviation Baseline Study was presented to the Highline Forum to establish a foundation for understanding how the region's booming economy and population are shaping future airport capacity needs. The study provides context for ongoing policy discussions around Sea-Tac Airport and regional aviation planning.
    TagsHighline Forum, PSRC, Puget Sound Regional Council, Regional Aviation Baseline StudyFolderHighline Forum 2017
  • 2018-06-21

    Resolution No. 3245: Reaffirming adoption of a Master Plan Update for Seattle-Tacoma International Airport

    Passed before 3rd Runway
    TagsEnvironmental Impact Statement, Port Of Seattle Commission, Puget Sound Regional Council, Sea-Tac Airport Master Plan, Third RunwayFolderResolutions

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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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