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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.

TagAirport Expansion(33)

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  • 2025-10-28

    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

    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

    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, Meetings TagsAirport, Airport Committees, Airport Development Fund, Airport Expansion, Port Of Seattle
  • 2025-10-22

    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
  • 2024-01-01

    Flight Corridor Safety Program 2024 – Category III Selection Summary

    ★
    Selection summary for the Flight Corridor Safety Program at Seattle-Tacoma International Airport, evaluating four firms (AECOM, HNTB, Jacobs Engineering, RS&H) for a $2M contract to manage obstructions consisting of trees and vegetation around the airport. HNTB was awarded the contract after receiving outstanding ratings across all criteria.
    CategoriesKey Documents TagsAirport, Airport Expansion, Aviation Committees, Port Of Seattle
  • 2022-06-01

    Everett Link Extension – EVLE Level 2 Station & Alignment Alternatives

    ★
    Sound Transit map showing the Everett Link Extension Level 2 station and alignment alternatives. The map displays representative station alternatives and other alignment options connecting Everett to West Alderwood, including stops at SW Everett Industrial Center, SR 99/Airport Road, Mariner, and Ash Way.
    CategoriesKey Documents TagsAirport, Airport Expansion
  • 2002-06-03

    Legal Analysis of King County’s Role in Des Moines Beach Park Conveyor Belt Proposal

    ★
    Legal counsel James L. Brewer analyzes King County’s jurisdictional authority regarding a proposed fill material conveyor belt operation at Des Moines Beach Park. The memo examines property interests, covenants requiring park use only, and concludes the proposed 30-month project would be inconsistent with park purposes due to significant disruption.
    CategoriesKey Documents, Litigation TagsAirport Communities Coalition, Airport Expansion, airport issues
  • 2002-06-03

    Des Moines Beach Park Legal Analysis and Department of Ecology Letter on Third Runway Fill Material

    ★
    Legal memorandum analyzing King County’s role in proposed Des Moines Beach Park conveyor belt operation, including property rights and park use restrictions. Includes Department of Ecology letter clarifying fill material certification requirements for Port of Seattle’s third runway construction.
    CategoriesCorrespondence, Key Documents, Litigation TagsAirport Expansion, Airport Law, Port Of Seattle
  • 2002-05-01

    C.A.S.E. MEETING MINUTES May 1, 2002

    ★
    Meeting minutes from Citizens Against Sea-Tac Expansion discussing various airport-related issues including geese shooting near schools, conveyor belt project opposition, arsenic contamination concerns, and updates from local representatives on legislative matters and environmental issues. Karen Keiser. Dave Upthegrove. Brett Fish.
    CategoriesKey Documents, Meetings, Organizations TagsAirport Communities Coalition, Airport Expansion, Arsenic, CASE, Conveyor, North Sea-Tac Park
  • 2002-05-01

    Financial Analysis For Redevelopment of Northeast Burien Special Plan Area

    ★
    A financial analysis report prepared by Economic Consulting Services for the City of Burien regarding the redevelopment of the Northeast Burien Special Plan Area. The report was completed in May 2002 and includes economic analysis and consulting services for the redevelopment project.
    CategoriesKey Documents TagsAirport, Airport Development Fund, Airport Expansion

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Upcoming Events

  • Des Moines City Council – SAMP Update
    Add to CalendarMThursday Jun 4: 5:00pm
    21630 11th Ave S,
    Item report 1 pdf

    Purpose and Recommendation To provide the Council with an update on the status of the Sustainable Airport Master Plan (SAMP) environmental review. Background Federal Aviation Administration (FAA) Approval On September 26, 2025, the FAA completed their National Environmental Policy Act review and approved a Final Environmental Assessment and Finding of No Significant Impact/Record of Decision

    [...]
  • SAMP/SEPA Draft EIS Town Hall SeaTac
    Add to CalendarMMonday Jun 22, 6:00pm - 8:00pm
    2450 S 142nd St SeaTac, WA 98168
    SAMP logo t

    The Port of Seattle is sponsoring four open houses to answer your questions about the SAMP/SEPA Draft EIS. There will be a reporter to take your comments in-person. Monday, June 22: 6–8pm Glacier Middle School Entrance lobby/commons 2450 S 142nd St SeaTac, WA 98168

    [...]
  • SAMP/SEPA Draft EIS Town Hall Des Moines
    Add to CalendarMTuesday Jun 23, 6:00pm - 8:00pm
    22450 19th Ave S
    SAMP logo t

    The Port of Seattle is sponsoring four open houses to answer your questions about the SAMP/SEPA Draft EIS. There will be a reporter to take your comments in-person. Tuesday, June 23: 6–8pm Mount Rainier High School Cafeteria space 22450 19th Ave S Des Moines, WA 98198

    [...]

[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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A report examining the barriers to implementing sustainable aviation fuel (SAF) in Massachusetts, authored by Neil Rasmussen and Chuck Collins from the Institute for Policy Studies. The report analyzes challenges and obstacles facing SAF adoption in the state.
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