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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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  • 2024-01-16

    Multiple Agency Fiscal Note Summary: HB 2103 Large Port Districts

    This is a fiscal note summary for Washington State House Bill 2103, concerning large port districts. It estimates that local governments would face operating expenditures of approximately $100.5 million per biennium across 2023-29, along with declining cash receipt reductions to local governments ranging from $867,000 in 2023-25 to over $8.5 million in 2027-29. The Office of State Treasurer notes non-zero but indeterminate financial impacts, while the Department of Commerce's fiscal note was not available at the time of the preliminary publication on January 16, 2024.
    TagsDepartment Of Commerce, HB2103, Legislation, local government funding, SB5955, Washington Ports, Washington State LegislatureFolderSB5955
  • 2023-02-07

    HB 1505: Promoting the alternative jet fuel industry in Washington

    Washington State House Bill 1505 aims to promote the alternative jet fuel industry by establishing tax breaks for businesses that produce or sell alternative jet fuel, updating the state's Clean Fuels Program to better support aviation fuels, and directing Washington State University to convene a workgroup to study and make recommendations on alternative jet fuel policy. The bill also expands the Department of Commerce's Statewide Office of Renewable Fuels to include alternative jet fuels as a focus area. While the bill primarily addresses fuel economics and climate goals rather than airport noise directly, it is relevant to Sea-Tac Airport operations as it could influence the types of fuels used by aircraft flying in and out of the region.
    TagsDepartment Of Commerce, HB1505, SAF, SB5447, Washington State UniversityFolderState
  • 2021-09-14

    Sea-Tac Housing Action Plan

    The SeaTac Housing Action Plan, adopted September 14, 2021, is a community-driven strategy developed by the City of SeaTac to address local housing affordability and needs. Created with input from the City Council, Planning Commission, city staff, and residents, the plan was funded in part by a Washington State Department of Commerce housing affordability grant. It outlines actions and priorities to guide housing development and affordability efforts within the City of SeaTac.
    TagsCity Of SeaTac, Department Of Commerce, Erin Sitterley, Housing, Peter KwonFolderComprehensive Plan
  • 5xxb housingactionplan pdf
    2021-09-14

    Sea-Tac Housing Action Plan

    The SeaTac Housing Action Plan, adopted September 14, 2021, is a community-driven strategy developed by the City of SeaTac to address local housing affordability and needs. Created with input from the City Council, Planning Commission, city staff, and residents, the plan was funded in part by a Washington State Department of Commerce housing affordability grant. It outlines actions and priorities to guide housing development and affordability efforts within the City of SeaTac.
    TagsCity Of SeaTac, Department Of Commerce, Erin Sitterley, Housing, Peter KwonFolderComprehensive Plan
  • 2021-01-19

    Bill analysis: HB 1099 – Improving the state’s climate response through updates to the state’s comprehensive planning framework

    HB 1099 is a Washington State bill focused on improving the state's climate response by updating the Growth Management Act to require counties and cities to include climate change and resiliency planning in their comprehensive land use plans. The bill mandates reductions in greenhouse gas emissions and vehicle miles traveled, and requires the Department of Commerce to publish guidelines for achieving statewide emissions targets. It also addresses coastal resilience by requiring Shoreline Master Programs to account for sea level rise and increased storm severity.
    TagsClimate, Department Of Commerce, Greenhouse gases, Legislation, Washington State LegislatureFolderLegislation
  • 2021-01-07

    Post-report update from the Technical Advisory Committee

    The Washington State Department of Commerce's Technical Advisory Committee (TAC) reviewed 72 recommendations from a study on Sea-Tac Airport's impacts on neighboring cities, ultimately prioritizing 13 key next steps. These priorities span public health, air quality, noise and vibration, mobility, and environmental concerns, including expanding late-night noise limits, improving air quality monitoring, and developing alternative noise metrics beyond standard day-night average (DNL) contours. The TAC also recommended revising the report's language around the Port of Seattle's airport expansion plans to reflect that the proposal was still under FAA review at the time of publication.
    TagsCommerce Impacts Study 2018, Department Of Commerce, Stantec, Technical Advisory CommitteeFolderState
  • 2021-01-07

    Stantec: Post-Report Update from the Technical Advisory Committee

    Washington State Department of Commerce Technical Advisory Committee (TAC) post-report update dated January 7, 2021, summarizing priority next steps from the Stantec-developed 72-recommendation study on current and ongoing effects of Seattle-Tacoma International Airport operations on neighboring cities (Sea Tac, Tukwila, Burien, Normandy Park, Federal Way, Des Moines). TAC prioritized 13 recommendations across Public Health, Air
    TagsDepartment Of Commerce, Sea-Tac Airport, Stantec, TAC, Technical Advisory CommitteeFolderStantec
  • 2020-12-01

    Washington 2021 State Energy Strategy: Transitioning to an equitable clean energy future

    The Washington 2021 State Energy Strategy, published by the Washington State Department of Commerce in December 2020, outlines a blueprint for transitioning the state to clean energy by 2050, with the goal of nearly eliminating fossil fuel use while sustaining economic growth. The strategy emphasizes affordable and reliable energy, meeting science-based greenhouse gas emission limits, and ensuring that Tribes, rural communities, and low-income households are included as partners in the transition. Note: this document addresses statewide energy and climate policy and does not contain content related to Sea-Tac Airport noise policy.
    TagsClimate, Department Of Commerce, Energy, Environmental Justice, State of WashingtonFolderState
  • 2020-05-29

    Study of the Current and Ongoing Effects of the Operation of the Seattle-Tacoma International Airport

    A comprehensive study examining the current and ongoing effects of Seattle-Tacoma International Airport operations. The study was prepared for the Washington State Department of Commerce as authorized by ESSB 6032 and conducted by Stantec consulting firm.
    TagsDepartment Of Commerce, Stantec, State of WashingtonFolderStantec
  • 2020-05-29

    Study of the current and ongoing effects of the operation of the Seattle-Tacoma International Airport

    This May 2020 report, prepared by Stantec for the Washington State Department of Commerce under legislative authorization ESSB 6032, examines the current and ongoing effects of operating Seattle-Tacoma International Airport (Sea-Tac). It assesses a range of impacts on surrounding communities resulting from airport operations. The study serves as a key resource for policymakers evaluating noise and other environmental effects associated with Sea-Tac's continued operation.
    TagsCommerce Impacts Study 2018, Department Of Commerce, StantecFolderState

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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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