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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.

TagLegislation(121)

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  • 2022-07-28

    Credit Card Competition Act of 2022

    The Credit Card Competition Act of 2022 (S. 4674) is a U.S. Senate bill introduced on July 28, 2022, that would require the Federal Reserve to issue regulations preventing large credit card issuers and payment networks from restricting which networks can process credit card transactions. The bill aims to increase competition by ensuring merchants have access to at least two unaffiliated payment networks for processing electronic credit transactions. The Federal Reserve would be required to implement these rules within one year of enactment and review market conditions every three years.
    TagsBanking, Congress.gov, Legislation, United States SenateFolderFederal
  • 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
  • 2021-02-26

    Aircraft noise and emissions legislation in the next Congress: Priorities, perspectives, and predictions

    This presentation by attorney Peter J. Kirsch, delivered at the 2021 Aviation Noise and Emissions Symposium, examines anticipated legislative priorities related to aircraft noise and emissions in the new Congress. It references key noise measurement tools, including the Schultz Curve and a updated National Curve, both of which plot the percentage of people highly annoyed against Day-Night Average Sound Level (DNL) in decibels. The materials suggest growing public sensitivity to aircraft noise even at lower decibel levels, with implications for how policymakers may revisit the longstanding 65 DNL threshold used in federal noise compatibility programs.
    TagsAviation Noise & Emissions Symposium, Kaplan Kirsch Rockwell, Legislation, Peter KirschFolderANES
  • 2021-02-26

    Legislation in the next Congress: priorities, perspectives, and predictions

    This presentation by Sanford Fidell and Vincent Mestre, delivered at the UC Davis Aviation Noise and Emissions Symposium on February 26, 2021, discusses priorities and predictions for U.S. aircraft noise legislation. It is based on their book 'A Guide to U.S. Aircraft Noise Regulatory Policy,' which covers topics ranging from the history of noise regulation and its effects on communities to airport land use planning, noise mitigation, and potential future changes to regulatory policy.
    TagsAviation Noise & Emissions Symposium, Legislation, UC Davis, Vince MestreFolderANES
  • 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
  • 2021-01-01

    Community perspectives on legislation: Aircraft noise and emissions legislation in the next Congress

    A 2021 presentation by Darlene Yaplee, founding member of the Aviation-Impacted Communities Alliance (AICA), argues that the FAA's current systems for assessing and addressing aircraft noise and health impacts are outdated and in need of legislative reform. The document outlines community perspectives on aircraft noise and emissions legislation, covering problem framing, insights for future laws, noise reduction strategies, and real examples of community input. Residents across impacted communities are calling for meaningful relief from the noise and emissions burdens caused by modern air traffic.
    TagsAICA, Aviation Noise & Emissions Symposium, FAA, LegislationFolderANES
  • 2020-02-12

    H.R. 5874 – Decrease Noise Levels Act

    H.R. 5874, the 'Decrease Noise Levels Act,' introduced in February 2020, would require the FAA to lower the threshold for significant aircraft noise from a day-night average sound level of 65 to 60 decibels. The bill also directs the FAA to publish a public report within one year outlining a strategy to further reduce residential noise levels to 55 decibels over the following decade. Additionally, it mandates that community outreach efforts include evaluations of alternative noise measurement metrics beyond the current standard.
    TagsAdam Smith, DNL65, Grace Meng, Legislation, Noise MitigationFolderFAA

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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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