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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.

Since 2016, we've worked to obtain justice for residents living under the flight path. Noise. Pollution. Health. Compensation..

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TagAirport(173)

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  • 2026-02-24 00:00

    Port of Seattle Regular Commission Meeting

    Agenda for the Port of Seattle Commission regular meeting scheduled for February 24, 2026. The meeting will be held virtually via MS Teams and in person at Seattle-Tacoma International Airport Conference Center, covering various business items including executive session, public comment, consent agenda items, and new business including funding for the T91 Uplands Development Program.
    TagsAirport, ALPA, Port Of Seattle, Port Of Seattle Commission, Sea-Tac Airport
  • 2026 02 24 RM Packet Pdf 1
    2026-02-24 00:00

    Port of Seattle Regular Commission Meeting

    Agenda for the Port of Seattle Commission regular meeting scheduled for February 24, 2026. The meeting will be held virtually via MS Teams and in person at Seattle-Tacoma International Airport Conference Center, covering various business items including executive session, public comment, consent agenda items, and new business including funding for the T91 Uplands Development Program.
    TagsAirport, ALPA, Port Of Seattle, Port Of Seattle Commission, Sea-Tac Airport
  • 2026-02-03 21:55

    Airport Finance & Grant Compliance

    Presentation materials covering airport finance and grant compliance topics. Includes information about airport ownership structures (state, city, county, port authority, airport authority, military) and different types of airports (private, commercial, general aviation, GA reliever, military, non-controlled FAA airports).
    TagsAirport, Airport Improvement Program, Airports, Port Of Seattle
  • 2026-02-02 00:58

    City of SeaTac 2026 Legislative Agenda

    SeaTac’s 2026 legislative priorities including the International Village project with International Plaza and Dining District, airport impact funding requests, and policy issues covering fiscal sustainability, public safety, housing, and infrastructure needs.
    Tags2026 legislative session, Airport, City Of SeaTac, Housing, Port Of Seattle
  • 2026-01-26 00:00

    Aviation Fuel Taxes Bill Comparison

    Comparison of three Washington state senate bills (SB 5989, SB 5898, SB 6240) regarding aviation fuel taxes, showing tax revenue redistribution, fiscal impacts, and effective dates. Bills propose redirecting various taxes on aircraft fuels to aeronautics and mitigation accounts.
    Tags2026 legislative session, Airport, Aviation Fuel, SB5898, SB5989, SB6240
  • 2026-01-07 13:10

    Introduction to Cumulative Effects Analysis

    This document introduces the concept of cumulative environmental effects analysis under NEPA, explaining how multiple minor actions can combine to create significant environmental impacts. It defines cumulative effects as impacts resulting from incremental effects of actions combined with past, present, and future actions, and discusses the purpose and implementation of cumulative effects analysis by federal
    TagsAirport, CEQ, Environmental Impact Statement, NEPA
  • 2026-01-06 14:17

    Summary – Areas of Agreement – Workshop #1 – Silence is Golden

    A community workshop summary discussing airport improvements, compatible land use in high impact noise zones, and community concerns about Sea-Tac Airport. The document covers suggestions for making the airport more community-friendly and guidelines for appropriate land uses in noise-affected areas.
    TagsAirport, Airport Committees, Noise, Sea-Tac Airport
  • 2026-01-06 14:16

    Airport Land Use Compatibility Guidelines – Chapter 4, Paragraph 277

    Federal aviation guidance document outlining compatible and incompatible land uses around airports, and appropriate actions for airport sponsors including zoning ordinances, master planning, and land use planning to ensure airport-compatible development.
    TagsAirport, Airport Law, Airport Layout Plans, FAA
  • 2026-01-06 14:16

    Airport Environs Planning Study – Area Delineation and Compatibility Analysis

    Document discussing the delineation of airport environs and identification of impact areas for planning purposes. Covers the overall study area including Highline School District and portions of Federal Way and South Central School Districts, with focus on airport vicinity planning and implementation.
    TagsAirport, Airport Layout Plans, Federal Way
  • 2026-01-06 14:15

    Class Study Materials and Field Trips

    This document appears to be course materials or study guide listing various topics including TV shows, field trips to locations like Killer Creek and Des Moines Creek, class projects involving memory sketches and community surveys, and study materials covering technical reports, community trends, and various planning topics.
    TagsAirport, Des Moines

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Upcoming Events

  • PSCAA Advisory Council Meeting Agenda
    Add to CalendarMWednesday Mar 11, 9:00am - 11:35am
    1904 3rd Avenue, Suite 105, Seattle, WA 98101
    Call to order – Roll Call – Quorum Established – Land Acknowledgement We would like to acknowledge that our Agency operates in four present-day counties, which are the traditional lands of the Coast Salish people, past and present. This acknowledgement does not take the place of authentic relationships with indigenous communities in our jurisdiction and [...]

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Help study childhood asthma. Get free HEPA filter!

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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!

This is the first study to combine a one-year mobile monitoring campaign with PMF (Positive Matrix Factorization) analysis to simultaneously estimate source-specific air pollution exposures and emission factors of different vehicle types. This methodology can be extended to other metropolitan areas.
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