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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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  • 2026-01-20

    Consolidated Appropriations Act, 2026

    The Consolidated Appropriations Act, 2026 is a federal spending bill introduced in the U.S. House of Representatives in January 2026 that funds government operations through September 30, 2026. It covers multiple areas including defense, labor, health, education, homeland security, and transportation. This document does not contain content specifically related to Sea-Tac Airport noise policy.
    CategoriesLegislation Tags2026 legislative session, Airport Improvement Program, Budget, DOT, FAA
  • 2026-01-06

    Airport noise mitigation program implementation guidelines

    This document outlines how airport noise impact programs can be approved and funded under the Airport Improvement Program (AIP). Once a detailed study confirms substantial community noise impact and a reasonable solution is proposed, costs become eligible for approval. Specific guidelines must then be developed covering property acquisition or sound insulation options, including owner agreements, appraisals, market exposure, noise insulation standards, and relocation proposals.
    TagsAIP, Airport Improvement Program, Avigation Easement, FAA, Noise
  • 2026-01-06

    Interim answers to November 9, 1983 letter regarding airport noise remedy program

    This letter from Edward G. Tatum, Manager of the FAA Airports Division, provides interim answers to the Port of Seattle's questions about federal funding and guidelines for airport noise remedy programs near Sea-Tac Airport. It outlines key details such as 80% federal cost coverage under the Airport Safety and Noise Abatement Act, eligibility criteria for sound insulation and property purchase assistance programs, and interior sound level standards based on EPA recommendations. The letter acknowledges that the FAA and Port of Seattle are breaking new ground together in developing policies that could serve as a nationwide model for noise abatement programs.
    TagsAirport Improvement Program, FAA, Noise, Noise Mitigation, Port Of Seattle
  • 2026-01-06

    Airport land use compatibility: Incompatible and compatible land uses and types of appropriate action

    This document outlines federal guidelines for managing land use around airports to minimize noise and safety conflicts. It distinguishes between incompatible land uses near airports—such as residential development, schools, hospitals, and churches—and compatible ones like agriculture, parks, and parking facilities. It also describes appropriate actions airport sponsors can take, including developing off-airport land use plans, enacting zoning ordinances, and working with local and regional authorities to restrict development in affected areas.
    TagsAirport, Airport Law, Airport Layout Plans, FAA
  • 2026-01-06

    Handwritten Notes: FAA Responsibility and Community Complaints Regarding Airline Safety and School Building Use

    A community member raises questions about who should accept responsibility for airport-related concerns — the Port of Seattle, King County, the FAA, or local residents who helped plan the N.S.I.P. — noting that the FAA is responsible for safe aircraft use but that following its guidelines could avert greater tragedy in the event of an airline mishap. A separate complaint is also filed against the Highline Public School District regarding the conversion of Boulevard Elementary School and Seaer High School into non-educational facilities, with the writer citing code violations and lack of concern for impact on adjacent neighborhoods.
    TagsAircraft Maintenance, community engagement, FAA, Handwritten Notes, Highline Schools, Noise, Port Of Seattle
  • Handwritten notes FAA responsibility highline school district complaint pdf
    2026-01-06

    Handwritten Notes: FAA Responsibility and Community Complaints Regarding Airline Safety and School Building Use

    Handwritten notes raising questions about who will accept responsibility — the Port of Seattle (P.O.S.), King County, FAA, or community residents who helped plan the N.S.S.P. plan. Quotes FAA guidelines stating that if an airline mishap occurred, a greater tragedy could be averted by following FAA guidelines, noting the FAA is responsible for safe aircraft
    TagsAircraft Maintenance, community engagement, FAA, Handwritten Notes, Highline Schools, Noise, Port Of Seattle
  • Start policy meetingsummary january 5, 2026 final pdf
    2026-01-05

    StART Policy Working Group Meeting Summary

    The StART Policy Working Group met on January 5, 2026 to plan advocacy efforts at the state and federal level on behalf of communities neighboring Seattle-Tacoma International Airport. Key topics included organizing a State Day on the Hill in Olympia on February 3, reviewing a proposed study on the airport's socioeconomic and health impacts on surrounding communities, and discussing a recent federal legislative win allowing the FAA to fund secondary noise insulation repair and replacement at airports like SEA. The group also addressed how to handle items lacking full consensus on their State Legislative Agenda, including a contentious airport-related bill expected to be revised in the upcoming session.
    CategoriesMeetings Tags2026 legislative session, FAA, Noise Mitigation, Policy, Port Of Seattle, SB5652, Sea-Tac Airport, StART, Washington State Legislature
  • Transitioning to unleaded gasoline pdf
    2026-01-01

    Transitioning to Unleaded Aviation Gasoline: A Guide and Tools

    ACRP Research Report 284, published by the National Academies of Sciences, Engineering, and Medicine under the Airport Cooperative Research Program (ACRP), sponsored by the Federal Aviation Administration (FAA). Guide and tools for airports transitioning from leaded avgas (100LL) to unleaded aviation gasoline (UAvGas), covering fuel transition planning, general aviation fuel compatibility, lead emissions reduction, and
    TagsAirport Cooperative Research Program, Alternative Fuels, Aviation Fuel, FAA, General Aviation
  • 2026-01-01

    Transitioning to Unleaded Aviation Gasoline: A Guide and Tools

    ACRP Research Report 284, published by the National Academies of Sciences, Engineering, and Medicine under the Airport Cooperative Research Program (ACRP), sponsored by the Federal Aviation Administration (FAA). Guide and tools for airports transitioning from leaded avgas (100LL) to unleaded aviation gasoline (UAvGas), covering fuel transition planning, general aviation fuel compatibility, lead emissions reduction, and
    TagsAirport Cooperative Research Program, Alternative Fuels, Aviation Fuel, FAA, General Aviation
  • A Guide to US Aircraft Noise Regulatory Policy Fidell Mestre Pdf
    2025-12-21

    A guide to U.S. aircraft noise regulatory policy

    A book published by Springer, authored by Sanford Fidell and Vincent Mestre, providing a comprehensive guide to U.S. aircraft noise regulatory policy. The work covers the regulatory frameworks, policies, and standards governing aircraft noise in the United States.
    TagsAirport Noise Law, Books, FAA, Noise, Regulations

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Upcoming Events

  • StART SEA Stakeholder Advisory Round Table
    Add to CalendarMWednesday Aug 26, 5:00pm - 7:00pm
    Zoom (Virtual Meeting)
    START meetingagenda 2026826 final 0 pdf

    Meeting Objectives Introduce the primary feedback themes identified by StART members regarding StART’s Operating Procedures and determine areas that may warrant future discussion. 5:00 PM – Welcome Meeting Management Welcome Lead: Andrés Mantilla, Facilitator, Uncommon Bridges; Wendy Reiter, Airport Managing Director, POS 5:15 PM – Dinner: All participants eat. 5:30 PM – StART Operating Procedures

    [...]
  • Commercial Aviation Work Group
    Add to CalendarMThursday Sep 3, 10:00am - 1:30pm
    Virtual Meeting (Zoom)
    Cawg agenda sep 3 26 virtual pdf

    Meeting Agenda 10:00 a.m. – 10:15 a.m. | Welcome – Evan Nordby, Chair a. Introductions and Agenda Reviewb. Status of appointments and non-voting member invitationsc. Other updates as necessary 10:15 a.m. – 11:00 a.m. | Is it practical and legal to operate the western Washington [Puget Sound] airports as a single airport system? – Consultant

    [...]

[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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