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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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  • 2025-01-28

    Multiple agency fiscal note summary: HB 1303 Environmental Justice

    House Bill 1303, titled 'Environmental Justice,' is a Washington State legislative proposal whose fiscal note estimates total operating expenditures of approximately $21.3 million across multiple state agencies for the 2025–27 biennium, with similar costs projected through 2031. The largest spending impacts fall on the Department of Natural Resources (~$17.8 million) and the Department of Ecology, while agencies such as the Administrative Office of the Courts report no fiscal impact. Several agencies, including the Department of Transportation and State Parks and Recreation Commission, report non-zero but indeterminate costs that require further review.
    TagsEnvironmental Justice, HB1303, Legislation, state legislature, Washington State LegislatureFolderLegislation
  • 2025-01-23

    HB 1303 Bill Analysis – Increasing environmental justice by improving government decisions

    Washington State House Bill 1303 proposes strengthening environmental justice by adding new requirements to the State Environmental Policy Act (SEPA) review process, requiring environmental justice impact statements for projects in vulnerable or overburdened communities. The bill also prohibits state and local air authorities from issuing certain construction approvals for new air pollution sources in those same communities. Note: This bill focuses on statewide environmental permitting and community health protections, and does not directly address Sea-Tac Airport noise policy.
    CategoriesLegislation TagsAir Quality Monitors, Airport Noise Law, LegislationFolderLegislation
  • 2025-01-15

    House Bill 1303: Increasing environmental justice by improving government decisions

    Washington House Bill 1303 (2025) aims to reduce environmental and health disparities by requiring government agencies to consider environmental justice when reviewing proposed projects. For projects located in heavily polluted communities, agencies must complete a formal Environmental Justice Impact Statement and hold public hearings to gather community input before permits are granted. The bill does not specifically address Sea-Tac Airport noise policy.
    TagsLegislationFolderLegislation
  • 2025-01-14

    Aviation Impacted Communities Act: Fact Sheet

    The Aviation Impacted Communities Act, introduced by Rep. Adam Smith (WA-09), aims to give residents and local leaders a stronger voice in addressing excessive airplane noise and environmental impacts by requiring the FAA to engage directly with affected communities through newly established community boards. The bill would create an 'aviation impacted communities' designation, allow communities to petition for comprehensive impact studies, and expand funding for noise mitigation beyond current sound-level boundaries. It also establishes a sustainable revenue stream for ongoing relief efforts through the Airport and Airways Trust Fund.
    TagsAdam Smith, Airport Impacted Communities Act, FAA, Highline Forum, Legislation, Noise MitigationFolderHighline Forum 2025
  • 2025-01-01

    SB 5652 Cover Page — Washington State 69th Legislature 2025 Session

    Senate Bill 5652, introduced by Senator Orwall in Washington State's 69th Legislature during the 2025 Regular Session, proposes reducing environmental and health disparities in large port districts by adding a new chapter to Title 53 RCW. The bill defines key terms including 'qualifying port district' as one authorized to undertake aircraft noise abatement programs under RCW 53.54.010, directly relevant to Sea-Tac Airport noise policy.
    TagsEnvironmental Justice, Legislation, Noise Mitigation, SB5652, Sea-Tac Airport, Washington State LegislatureFolderSB5652
  • 2025-01-01

    Senate Bill 5652: Reducing Environmental and Health Disparities in Large Port Districts

    Washington Senate Bill 5652 requires large port districts, such as the Port of Seattle, to develop and adopt environmental justice implementation plans and community engagement plans by January 1, 2026. These plans must outline how the port will reduce environmental and health disparities in overburdened communities, particularly those affected by aircraft noise, and ensure meaningful participation from vulnerable populations in port decision-making. The bill also mandates compliance with federal civil rights laws and requires the use of screening tools to assess the health and demographic impacts of major port actions valued at $8 million or more.
    TagsEnvironmental Justice, Legislation, Port Of Seattle, RCW, SB5652, Washington State LegislatureFolderSB5652
  • 2024-12-17

    2023-24 State Tourism Program Operational Funding Request: Quick information

    The State of Washington Tourism program is requesting operational funding through companion bills HB 1258 and SB 5465, which would raise the general funds cap to $13 million per fiscal year and adjust industry matching requirements. Without this funding, the program faces budget cuts of 36% in 2023 and an additional 30% in 2024, threatening statewide tourism initiatives. The request represents just 1% of state sales tax collections from rental cars, lodging, and restaurants, and aims to support rural communities, responsible travel campaigns, and economic resilience across Washington State.
    TagsLegislation, local government funding, State of Washington, Tourism, Washington State LegislatureFolderState
  • State Legislation 2025 (draft)

    Three ways to make an impact in Olympia this year Update (2024-12-05): The City of Des Moines has adopted these three items as its official legislative agenda. Thanks! #1. Fixed Site Air Quality Monitor In Des Moines Establish a fixed-site monitor around Sea-Tac Airport to monitor the south end of the flight path in Des
    CategoriesChange The Culture TagsLegislation
  • 2024-10-08

    Port of Seattle Order No. 2024-12 – North SeaTac Park for Recreational Use

    The Port of Seattle Commission issued Order No. 2024-12 in October 2024, directing its Executive Director to take the steps necessary under Section 706 of the 2024 FAA Reauthorization Act to permanently designate the 55-acre North SeaTac Park for recreational and public park use. The order requires the development of legally binding frameworks, a preferred protection methodology reported to the Commission by Q2 2025, and at least $150,000 in the 2025 budget for park improvements in partnership with the City of SeaTac. This action aims to ensure the park remains a permanent community and ecological asset, shielded from future aeronautical or commercial redevelopment.
    CategoriesLegislation TagsAirport Committees, Airport Impacted Communities Act, Airport Layout Plans, Legislation, Port Of SeattleFolderResolutions
  • 2024-07-15

    Constitution of the State of Washington

    This document is the Constitution of the State of Washington, originally framed in 1889 and presented here in its currently amended form. It outlines the foundational legal framework for the state, covering individual rights, legislative powers, and executive responsibilities across multiple articles. Note that this document does not contain specific content related to Sea-Tac Airport noise policy.
    TagsLegislation, RCW, State of Washington, Washington State LegislatureFolderState

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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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