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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.

TagCity Of Des Moines(214)

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  • 2025-12-18

    Port Of Seattle Response Letter to Des Moines Mayor Traci Buxton: Sound Insulation Repair and Replacement Pilot Program

    The Port of Seattle wrote to Des Moines Mayor Traci Buxton in December 2025 to explain its Sound Insulation Repair and Replacement Pilot Program, a $5 million initiative aimed at helping homeowners near Seattle-Tacoma International Airport whose aging sound insulation packages may no longer be performing adequately. The program focuses on homes that received insulation before 1993 and are located within the FAA-approved Noise Remedy Boundary, with eligibility determined by acoustic testing showing interior noise levels at or above 45 dB DNL. Of the 117 homes tested in the initial phase, five were found eligible, and the Port plans to expand outreach to an additional 209 homes in early 2026 while pursuing FAA grant funding that could cover up to 80% of design and construction costs.
    TagsCity Of Des Moines, Noise Remedy Program, Port Of Seattle, Port Packages, Sound Insulation, Toshiko HasegawaFolderPort Packages
  • Samp20Response20Joint20Statement20 20An
    2025-12-09

    Burien, Des Moines, and SeaTac File Joint Petition for Review of FAA Decision

    Posted on 12/09/2025 On September 26, 2025, the Federal Aviation Administration (FAA) completed their National Environmental Policy Act review of the Port of Seattle’s Sustainable Airport Master Plan (SAMP) Near-Term Projects. Based on the review, the FAA approved a Final Environmental Assessment and a Finding of No Significant Impact/Record of Decision (FONSI/ROD) for 31 proposed
    CategoriesFrom The Web TagsCity of Burien, City Of Des Moines, City Of SeaTac, SAMP
  • 2025-12-08

    Des Moines Airport Advisory Committee Meeting Agenda and Minutes

    Airport Advisory Committee meeting agenda for December 8, 2025, including items on SAMP updates, StART meeting updates, complaints/communications, and committee work plan. Responses on noise complaint from Laurel Hughes. Also includes minutes from the November 10, 2025 meeting with discussion of Q&A with Steve Edmiston and various airport-related updates.
    CategoriesMeetings TagsCity Of Des Moines, Des Moines, NEPA, SAMP, SEPA, StARTFolderAviation Committee 2025
  • 2025-12-08

    Airport Advisory Committee Meeting Agenda and Minutes

    We recognize that a healthy environment is essential to the quality of life in Des Moines. To ensure that we have a healthy environment, the Committee will advocate for adding a nationally recognized toxicologist(s) to the team responding to the Port of Seattle’s Sustainable Airport Master Plan (SAMP). The Committee will network with similar advocacy
    CategoriesEvents, Meetings TagsAviation Committees, City Of Des Moines, SAMP, StARTFolderAviation Committee 2025
  • 2025-11-25

    Docketing Notice and Briefing Schedule: City of Burien, et al. v. Federal Aviation Administration, et al., Case No. 25-7439

    The U.S. Court of Appeals for the Ninth Circuit has opened a case (No. 25-7439) in which the cities of Burien, Des Moines, and SeaTac are jointly challenging the Federal Aviation Administration and U.S. Department of Transportation over airport-related policy. The petitioning cities must submit mediation questionnaires by December 1, 2025, and file their opening briefs by February 13, 2026, with federal respondents' answering briefs due March 16, 2026. Failure by the cities to meet the opening-brief deadline could result in dismissal of the case.
    TagsCity of Burien, City Of Des Moines, City Of SeaTac, FAA, Ninth Circuit Court of AppealsFolderFour City ILA
  • 2025-11-24

    25-7439 Petition for Review of Agency Order – City of Burien, City of Des Moines, and City of SeaTac v. FAA

    Three Washington cities near Seattle-Tacoma International Airport — Burien, Des Moines, and SeaTac — filed a legal challenge on November 24, 2025, asking a federal appeals court to review the FAA's September 2025 decision approving near-term construction and expansion projects under the airport's Sustainable Airport Master Plan. The cities argue the FAA's environmental finding, known as a FONSI/ROD, should be scrutinized by the Ninth Circuit Court of Appeals, which has jurisdiction because the cities are located within that circuit. The petition was filed on the last allowable day of the 60-day filing window, as the original deadline fell on a Sunday.
    TagsCity of Burien, City Of Des Moines, City Of SeaTac, FAA, FONSI, Litigation, Ninth Circuit Court of Appeals, SAMPFolderFour City ILA
  • 2025.11.21 draft petition for review sea SAMP three cities pdf
    2025-11-21

    Petition for Review of Agency Order

    Three Washington cities — Burien, Des Moines, and SeaTac — have filed a legal challenge in the Ninth Circuit Court of Appeals against the Federal Aviation Administration's September 2025 decision approving near-term expansion projects at Seattle-Tacoma International Airport. The petition contests the FAA's Finding of Significant Impact/Record of Decision related to the airport's Sustainable Airport Master Plan, which the cities argue warrants judicial review. The filing, submitted November 21, 2025, was made within the 60-day statutory deadline under federal aviation law.
    TagsBryan Bedford, City of Burien, City Of Des Moines, City Of SeaTac, FAA, FONSI, Leech Tishman, NEPA, Ninth Circuit Court of Appeals, SAMP, Sean Duffy, Steven TaberFolderPDR26-042 Burien
  • 2025-11-21

    Request for Waiver of Conflict of Interest

    Law firm Leech Tishman Nelson Hardiman, Inc. sent this November 2025 letter to the cities of Burien, Des Moines, and SeaTac, Washington, along with Vashon Island Fair Skies, Inc., requesting their consent to be represented together in legal challenges against the FAA's environmental approval of near-term construction projects at Seattle-Tacoma International Airport. The firm explains that while a potential conflict of interest exists in representing multiple clients simultaneously, all parties currently share a common goal of contesting the FAA's Finding of No Significant Impact related to increased aviation noise. The letter outlines the conditions of the joint representation, including fee-sharing arrangements, attorney-client privilege limitations, and procedures the firm will follow if the clients' interests diverge.
    TagsCity of Burien, City Of Des Moines, City Of SeaTac, FAA, FONSI, Leech Tishman, Legal, SAMP, Vashon Island Fair SkiesFolderPDR26-042 Burien
  • 2025.11.21 taber ltr re request for waiver of conflict of interest pdf
    2025-11-21

    Request for Waiver of Conflict of Interest

    Law firm Leech Tishman Nelson Hardiman, Inc. sent this November 2025 letter to the cities of Burien, Des Moines, and SeaTac, Washington, along with Vashon Island Fair Skies, Inc., requesting their consent to be represented together in legal challenges against the FAA's environmental approval of near-term construction projects at Seattle-Tacoma International Airport. The firm explains that while a potential conflict of interest exists in representing multiple clients simultaneously, all parties currently share a common goal of contesting the FAA's Finding of No Significant Impact related to increased aviation noise. The letter outlines the conditions of the joint representation, including fee-sharing arrangements, attorney-client privilege limitations, and procedures the firm will follow if the clients' interests diverge.
    TagsCity of Burien, City Of Des Moines, City Of SeaTac, FAA, FONSI, Leech Tishman, Legal, SAMP, Vashon Island Fair SkiesFolderPDR26-042 Burien
  • 2025-11-21

    Joint Representation Disclosure and Conflict Waiver

    This legal agreement establishes joint representation by attorney Steven M. Taber of Leech Tishman Nelson Hardiman, Inc. for the cities of SeaTac, Burien, and Des Moines in their shared legal challenge to the FAA's approval of the Port of Seattle's SAMP (Sustainable Airport Master Plan) project. The document discloses potential conflicts of interest that can arise when multiple municipalities share a single attorney, and obtains each city's informed written consent to proceed despite those risks. It also outlines how the three cities will share legal costs under an interlocal agreement and explains the procedures that would apply if a conflict between the cities were to emerge during the litigation.
    TagsCity of Burien, City Of Des Moines, City Of SeaTac, Interlocal Agreement, Leech Tishman, Legal, SAMP, Steven TaberFolderPDR26-042 Burien

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Upcoming Events

  • Part 150 NCP Workshop — Burien
    Add to CalendarMSaturday Oct 17: 10:00am

    Attend a Port of Seattle open house on the Part 150 Study Noise Compatibility Program (NCP). The Part 150 program determines the noise boundary around the airport and opportunities for noise mitigation such as sound insulation.

    [...]
  • Part 150 NCP Workshop — SeaTac
    Add to CalendarMMonday Oct 19: 6:00pm

    Attend a Port of Seattle open house on the Part 150 Study Noise Compatibility Program (NCP). The Part 150 program determines the noise boundary around the airport and opportunities for noise mitigation such as sound insulation.

    [...]
  • Part 150 NCP Workshop — Des Moines
    Add to CalendarMTuesday Oct 20: 6:00pm

    Attend a Port of Seattle open house on the Part 150 Study Noise Compatibility Program (NCP). The Part 150 program determines the noise boundary around the airport and opportunities for noise mitigation such as sound insulation.

    [...]

[See all...]


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.
read more...

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.
continue...

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