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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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  • 2025-10-28 19:42

    2026 Airfield Work Areas Layout Plan

    A detailed airport layout diagram showing various 2026 airfield work areas marked in different colors, including runway work areas, taxiway work areas, and cargo line work areas. The diagram includes a comprehensive legend identifying different construction and maintenance zones planned for the airfield.
    CategoriesKey Documents Tags1st Runway, Airport, Airport Expansion, Airport Layout Plans, Airport Maintenance Technology Magazine
  • 2025-10-28 19:42

    Snow Storage Expansion Phase II by Lagoon 3

    Aerial map showing the location of Snow Storage Expansion Phase II by Lagoon 3 at an airport facility. The map displays the completed Phase I snow storage area in green and the planned Phase II expansion in blue, with runway infrastructure visible in the background.
    CategoriesKey Documents TagsAirport, Airport Expansion, Airport Layout Plans, Port Of Seattle
  • 2025-10-28 19:42

    Airport Capital Spending (2025 $)

    Chart showing airport capital spending from 1998 to 2030 in 2025 dollars, displaying CPI index adjusted spending compared to average real spending 1998-2024. The chart shows significant fluctuations with peaks around 2002, 2018, and projected 2025, and notable lows around 2013.
    CategoriesExplainers TagsAIP, Airport, Airport Improvement Program
  • 2025-10-28 00:00

    Port of Seattle Regular Commission Meeting

    Port of Seattle Commission regular meeting agenda for October 28, 2025, including executive session, public comment procedures, consent agenda items covering construction contracts, lease agreements, and new business items including a revised welcoming port policy directive.
    CategoriesKey Documents TagsAirport, Airport Committees, Airport Development Fund, Airport Expansion, Port Of Seattle
  • 2025-10-28 00:00

    Port of Seattle Regular Commission Meeting

    Port of Seattle Commission regular meeting agenda for October 28, 2025, including executive session, public comment procedures, consent agenda items covering construction contracts, lease agreements, and new business items including a revised welcoming port policy directive.
    CategoriesKey Documents TagsAirport, Airport Committees, Airport Development Fund, Airport Expansion, Port Of Seattle
  • 2025-10-26 15:54

    Heathrow T5 Airport Terminal Building with Aircraft at Gates

    Image shows a modern airport terminal building with a curved glass facade and multiple aircraft parked at gates. Several commercial airliners are visible on the tarmac with ground support equipment and vehicles. The terminal appears to be a major hub facility with multiple levels and extensive gate infrastructure.
    Tagsaircraft, Airline Industry, Airport, Airports
  • 2025-10-25 01:46

    Aerial View of Coleman Young (Wayne County) Airport Runway and Terminal Facility

    Aerial photograph showing an airport runway, terminal building, and surrounding residential neighborhood. The image displays aviation infrastructure including the main runway, terminal facilities, and nearby housing developments with green spaces.
    TagsAirport, Terminal
  • 2025-10-22 00:00

    StART SEA Stakeholder Advisory Round Table Meeting Agenda – October 22, 2025

    Agenda for StART meeting covering FAA’s Record of Decision for Sustainable Airport Master Plan Near-Term Projects, Part 150 Noise Study updates, and various working group activities. The meeting includes presentations on airport sustainability projects, noise programs, and policy working group updates.
    CategoriesRegular Events TagsAirport, Airport Committees, Airport Development Fund, Airport Expansion, Airport Noise Report, Port Of Seattle
  • 2025-10-22 00:00

    Programmatic Environmental Checklist – Seattle-Tacoma International Airport Flight Corridor Management Program

    Environmental checklist for SEA’s Flight Corridor Management Program, which identifies and removes tree obstructions from airport flight corridors every five years to comply with FAA regulations. The document outlines the program’s background, implementation cycles, and environmental review process.
    CategoriesKey Documents TagsAirport, Airport Expansion, FAA, Port Of Seattle, SEPA
  • SEPA Flight Corridor Mgmt Program Checklist November 6, 2025 REV Signed 1 Pdf
    2025-10-22 00:00

    Programmatic Environmental Checklist – Seattle-Tacoma International Airport (SEA) Flight Corridor Management Program

    Environmental checklist for the Port of Seattle’s Flight Corridor Management Program at SEA, which involves regular identification and removal of tree obstructions to maintain compliance with FAA flight corridor regulations. The program operates on approximately five-year implementation cycles.
    CategoriesKey Documents TagsAir Traffic Control, Airport, Airport Improvement Program, Airport Layout Plans, Airspace Study, Port Of Seattle

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  • 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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