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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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  • 2023-01-05

    Aviation-Impacted Communities Act Draft — Community Board Structure (Page 7, January 2023)

    Page 7 of a U.S. House legislative draft (file g:WHLC1052310523.058.xml, dated January 5, 2023) covering Sections 4–5 of what appears to be the Sen/Rep Smith aviation noise bill (SMITWA). The text establishes that designated aviation-impacted communities must, within 6 months, select a community board equally representing elected officials, local airport operators, impacted residents, and public health and environment interests.
    TagsAirport Impacted Communities Act, Federal Aviation Administration, Legislation, Washington State LegislatureFolderFederal
  • 2023-01-01

    Final Bill Report ESHB 1791: Studying the Need for Increased Commercial Aviation Services

    Washington State's ESHB 1791 replaces the Commercial Aviation Coordinating Commission with a new Commercial Aviation Work Group tasked with studying the long-range commercial aviation needs of the state, including evaluating potential sites for new or expanded airports. The Work Group must consider environmental impacts, greenhouse gas emissions, water quality, and compatibility with military installations, while excluding expansion of airports in counties with populations of 2 million or more residents — effectively ruling out major expansion at Sea-Tac. The group is required to submit annual progress reports to the Governor and the Legislature's Transportation Committees.
    TagsCACC, Commercial Aviation Coordinating Commission, Commercial Aviation Work Group, HB1791, Washington State Legislature, WSDOTFolderCACC
  • 2022-09-12

    Application for gubernatorial appointment to a board or commission

    This is an application form from the Washington State Office of the Governor, inviting citizens to apply for appointment to one of over 200 state boards and commissions. Applicants are asked to submit personal and contact information, employment history, references, and a current résumé to be considered for advisory or policy-setting roles in state government. The form was issued under Governor Christine O. Gregoire and can be submitted by mail or fax to the Governor's Olympia office.
    TagsAdvisory Committees, civic participation, community engagement, RCAA, State of Washington, Washington State LegislatureFolderRCAA
  • 2022-07-01

    Overview of the legislative process

    This document provides an overview of how Washington State's Legislature turns ideas into laws, walking through each step from a bill's introduction and committee review to floor votes, the Governor's signature, and final enactment. It explains the roles of the Senate and House of Representatives across Washington's 49 legislative districts, the structure of regular and special sessions, and how bills can carry over within a two-year legislative cycle. While focused on general legislative procedure, this resource may provide context for understanding how noise-related policies affecting areas like Sea-Tac Airport are formally proposed, debated, and passed into state law.
    Tagscivic participation, Legislation, state legislature, State of Washington, Washington State LegislatureFolderState
  • 2021-05-17

    Engrossed Second Substitute Senate Bill 5141: Environmental Justice—Various Provisions (HEAL Act)

    Washington State's Engrossed Second Substitute Senate Bill 5141, signed into law in May 2021, aims to reduce environmental and health disparities by implementing recommendations from the state's Environmental Justice Task Force. The law requires covered state agencies—including the departments of ecology, health, transportation, and others—to address the disproportionate environmental burdens faced by low-income communities and communities of color. It establishes an Environmental Justice Council and directs state programs to prioritize benefits for communities with the greatest environmental and health burdens.
    TagsEcology, Environmental Justice, Legislation, State of Washington, Washington State LegislatureFolderSB5141 HEAL Act
  • 2021-03-12

    E2SSB 5141: House Bill Analysis — Reducing Environmental and Health Disparities (HEAL Act)

    Washington State Senate Bill 5141 requires several state agencies, including the departments of Ecology, Health, Transportation, and others, to incorporate environmental justice principles into their planning and decision-making processes. The bill mandates that these agencies complete environmental justice assessments for significant actions, create community engagement plans for overburdened communities, and consult with Indian tribes on decisions affecting tribal lands. An environmental justice council would be established to oversee implementation, and the Department of Health would maintain an environmental health disparities map tracking conditions across Washington communities.
    TagsEcology, Environmental Justice, Legislation, Washington State Department Of Health, Washington State LegislatureFolderSB5141 HEAL Act
  • 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
  • 2021-01-01

    Final Bill Report: E2SSB 5141 — Washington Environmental Justice Act (HEAL Act)

    Washington State's E2SSB 5141, enacted in 2021, requires key state agencies including Transportation and Ecology to incorporate environmental justice principles into their planning and decision-making processes, with a focus on protecting overburdened communities from disproportionate environmental and health harms. Agencies must develop community engagement plans by 2022, environmental justice implementation plans by 2023, and conduct formal environmental justice assessments for significant actions such as new rules, grants, and capital investments. Note: this legislation addresses statewide environmental justice policy broadly and does not specifically address Sea-Tac Airport noise issues.
    TagsEcology, Environmental Justice, Legislation, Puget Sound, Washington State Department Of Health, Washington State LegislatureFolderSB5141 HEAL Act
  • 2020-11-12

    Applicable law, case no. 02-296

    This document outlines Washington State campaign finance laws related to political contributions, coordination, and reporting requirements. It defines when an expenditure made by a third party counts as a campaign contribution — particularly when made in coordination with a candidate or political committee — and sets out registration and disclosure deadlines for political committees. These rules govern how campaigns and political organizations must track and report donations and spending.
    TagsLegal, RCW, WAC, Washington Administrative Code, Washington State LegislatureFolderDes Moines
  • 2020-06-11

    Substitute House Bill 1847 – Aircraft Noise Abatement – Defining aviation impacted area

    Washington State's Substitute House Bill 1847, signed into law in March 2020, expands the aircraft noise abatement programs available to port districts by lowering the qualifying threshold from 900 to 20 scheduled jet flights per day and extending the geographic boundaries of 'impacted areas' around airport runways. The law allows port districts to pursue noise relief measures—including property acquisition, soundproofing, transaction assistance, and mortgage insurance—for communities affected by aircraft noise. It amends three existing state statutes (RCW 53.54.010, 53.54.020, and 53.54.030) and took effect on June 11, 2020.
    CategoriesLegislation TagsAirport Noise Law, Noise, Port Of Seattle, RCW53, Washington State LegislatureFolderLegislation

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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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