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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.

TagCACC(55)

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  • 2023-06-15

    Commercial Aviation Coordinating Commission Report to Legislative Transportation Committees: 2023 Final Recommendation

    ★ 32
    The Commercial Aviation Coordinating Commission (CACC) submitted its final report to the Washington State Legislature in June 2023, concluding that future commercial aviation capacity needs can only be met by identifying a new greenfield airport site, as no existing finalist location gained sufficient community support. The Commission was evenly divided on whether a new facility could be operational by 2040, with most members believing completion beyond 2050 is more realistic. The report and survey results were handed off to a follow-on work group established under ESHB 1791 to continue the site selection process.
    CategoriesKey Documents TagsCACC, Commercial Aviation Coordinating Commission, HB1791, Paine Field, Second Airport, Washington State LegislatureFolderCACC
  • 2026-07-08

    CAWG Transcript

    Transcript Notice: Transcriptions are machine-generated and may not have been proofread or corrected. Transcriptions are reference, search and assistive in nature only and are NOT an official transcript of this video 0:01 – Thank you for joining the commercial aviation work group meeting. 0:05 – Work group members and members of the public, please be
    CategoriesTranscripts TagsCACC
  • 2026-07-08

    Commercial Aviation Work Group meeting agenda – July 8, 2026

    Meeting agenda for the Commercial Aviation Work Group (CAWG) hybrid meeting held at Centralia College’s TransAlta Commons. The agenda covers discussions on the capacity gap including PSRC and state reports, YVR and PDX impacts, and planned capacity enhancements. Additional topics include annual report considerations, next work plan, and a post-meeting tour of CLS airport for
    TagsCACC, Capacity, Commercial Aviation Work Group, PSRC, Puget Sound Regional Council, WSDOTFolderCACC
  • 2026-04-28

    Workplan First Half 2026: Commercial Aviation Work Group Meeting, April 28, 2026, Moses Lake, Washington

    This draft working document outlines the workplan for the first half of 2026 for the Commercial Aviation Work Group, presented at a meeting in Moses Lake, Washington on April 28, 2026. The group's mission is to evaluate the long-range commercial aviation and transportation needs of Washington State, exploring options such as expanding existing airports and multi-modal solutions rather than building a new airport. The document also includes a recap of the February meeting and references the group's broader goal of recommending practical solutions to meet regional travel demand.
    CategoriesMeetings TagsCACC, Commercial Aviation Work Group, Moses Lake, Second Airport, work planFolderCAWG
  • 2026-04-28

    Commercial aviation work group meeting agenda April 28, 2026

    Meeting agenda for the Commercial Aviation Work Group’s hybrid meeting at Grant County International Airport in Moses Lake, WA. The agenda covers unconstrained forecasts, airport capacity discussions, public comment, advanced air mobility updates, and presentations from Spokane International Airport.
    CategoriesMeetings TagsCACC, Commercial Aviation Work Group, Spokane International AirportFolderCACC
  • 2025-12-09

    Commercial Aviation Work Group Meeting Agenda – December 9, 2025

    Meeting agenda for the Commercial Aviation Work Group covering consultant introductions, strategic work plan discussions, review of ESSB 5161, and research needs including Advanced Air Mobility, Sea-Tac capacity, and aerospace employment trends. The meeting includes a tour of Boeing Field for CAWG members.
    CategoriesMeetings TagsAdv, Air Transportation Commission, Alternative Fuels, Aviation Committees, CACC, Commercial Aviation Work Group, Second AirportFolderCACC
  • 2025-11-01

    Commercial Aviation Work Group 2025 Annual Report

    The Commercial Aviation Work Group’s 2025 annual report to the Washington Legislature detailing four meetings held in 2025, membership status, and interim recommendations. The group strongly recommends that the Legislature encourage Sound Transit to locate a Link station near the Paine Field passenger terminal to maximize public investments and minimize climate impacts.
    TagsCACC, Commercial Aviation Work Group, Second Airport, WSDOTFolderCACC
  • 2025-09-29

    Appendix O: Agency & Public Engagement — Submitted Studies and Materials

    The 1997 Sea-Tac International Airport Impact Mitigation Study is an initial assessment and recommendations report prepared for several cities near Seattle-Tacoma International Airport, including Burien, Des Moines, Federal Way, Normandy Park, and Tukwila, as well as the Highline School District and Highline Community Hospital. Funded by a State of Washington grant, the study was conducted by Hellmuth, Obata + Kassabaum, Inc. and Raytheon Infrastructure Services, Inc. to evaluate the airport's impacts on surrounding communities. The report was submitted as part of public engagement materials related to ongoing concerns about airport noise and air pollution affecting nearby residents and institutions.
    TagsCACC, community engagement, Defenders Of Highline Forest, NEPA, SAMP, Steve Edmiston, Sustainable Airport Master PlanFolderAppendices
  • 2024-07-11

    Commercial Aviation Workgroup (first meeting)

    Successor to CACC re-opens second airport discussion The first meeting of the new Commercial Aviation Work Group  was held on July 11, 2024 in Tumwater. This group, created by HB1791 is the successor to the ill-fated Commercial Aviation Coordinating Committee (CACC) which ended last year after failing to identify any path to a second airport
    CategoriesEvents TagsCACC, Second Airport
  • 2024-06-27

    First meeting of the Commercial Aviation Work Group set for July 11 in Tumwater: Attendees may also join meeting online

    June 27, 2024 Christina Crea, WSDOT Aviation Communications Manager, 360-810-0902 OLYMPIA – The Commercial Aviation Work Group—created by the Legislature last year—will host its first public meeting beginning at 9 a.m. Thursday, July 11, at the Capital Event Center in Tumwater. The group will evaluate the long-range commercial aviation and transportation needs of the state, including alternatives for additional aviation
    CategoriesFrom The Web TagsCACC, Second Airport, WSDOT

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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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