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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.

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  • 2025-02-26

    Sound insulation repair and replacement pilot program update

    The Port of Seattle launched a Sound Insulation Repair and Replacement Pilot Program following Commission Order 2024-04, which directed an assessment of the effectiveness of previously installed noise insulation packages in nearby homes. The program, funded by a $6.5 million tax levy budget (with $5 million reserved for design and construction), involved property owner outreach, surveys translated into six languages, and acoustic testing conducted in summer 2024. A final report was approved in December 2024, with design and construction work set to kick off in 2025.
    TagsStART
  • 2025-02-26

    StART SIRRPP Survey Overview and Results — Slide 4 (February 26, 2025)

    Slide 4 from a Sea-Tac Airport (SEA) presentation titled 'Survey Overview and Results,' describing a noise insulation pilot survey designed to meet Order 2024-04, conducted within the 2014 SEA Noise Remedy Boundary. Outreach included mailings to approximately 3,200 single-family homes, a Port website page, Part 150 Study public meetings in June, StART Aviation Noise Working Group updates, and a Highline Forum meeting update.
    TagsNoise Remedy Program, Sea-Tac Airport, SIRRPP, StART, Survey
  • 2025-02-26

    StART SIRRPP Update — Port Of Seattle Presentation, February 26, 2025

    Title slide for a Port of Seattle presentation dated February 26, 2025, providing an update on the Sound Insulation Repair and Replacement Pilot Program. The slide features a photograph of a single-family residence at address 12036, likely located in a Sea-Tac Airport noise-impacted neighborhood, showing newly installed windows as part of the sound insulation work.
    TagsPort Of Seattle, Sea-Tac Airport, SIRRPP, Sound Insulation, StART
  • 2025-02-26

    StART SIRRPP Update — Pilot Program Schedule Timeline (February 2024–2025) — Slide 3

    A timeline slide detailing the Pilot Program Schedule spanning February 2024 through early 2025, including key milestones such as a Commission Order (Feb 27), survey mailings (Jun–Aug 2024), Part 150 Meetings (Jun 5, 6, and 8), acoustic testing (Aug 19/30), a Draft Technical Report (Nov 22), a Final Report Approval (Dec 23), a Commission Report (January 2025), and a Design/Construction Kickoff in 2025. The slide appears to be page 3 of a presentation related to Sea-Tac Airport noise policy under FAA Part 150 procedures.
    TagsPart 150, Sea-Tac Airport, SIRRPP, StART, Timeline
  • 2025-02-26

    StART SIRRPP Update Presentation — February 26, 2025

    Title slide for a Port of Seattle presentation dated February 26, 2025, providing an update on the Sound Insulation Repair and Replacement Pilot Program. The slide features a photograph of a residential home at address 12036, illustrating the type of property targeted by the program, which is associated with noise mitigation efforts related to Sea-Tac Airport.
    TagsPort Of Seattle, Sea-Tac Airport, SIRRPP, Sound Insulation, StART
  • 2025-02-26

    StART SIRRPP Update — Slide 2 (February 26, 2025)

    Commission Order 2024-04 directs the Port of Seattle to conduct an assessment of the effectiveness of previously installed Port-funded noise insulation packages, to be completed by end of 2024, involving outreach and data collection from property owners. The order authorized a tax levy-funded budget of $6.5 million, with $5 million set aside for design and construction associated with a Pilot Program.
    TagsPort Of Seattle, Sea-Tac Airport, SIRRPP, Sound Insulation, StART
  • 2025-02-26

    StART SIRRPP Update — Assessment Key Findings — Slide 16 (February 26, 2025)

    Presentation slide titled 'Assessment Key Findings' summarizing results of a sound insulation assessment: 99% of products installed prior to 2014 are past their expected useful life, lack of replacement parts limits resident maintenance, and all tested homes (including five Pre-1993) measured under 45dB DNL interior, with sound insulation packages deemed acoustically effective despite operational and appearance concerns.
    TagsSea-Tac Airport, SIRRPP, Sound Insulation, StART
  • 2025-02-26

    StART SIRRPP Update — Slide 1 (February 26, 2025)

    A Port of Seattle presentation slide dated February 26, 2025, providing an update on the Sound Insulation Repair and Replacement Pilot Program. The slide features a photograph of a residential home at address 12036, illustrating a property subject to the airport noise insulation program near Sea-Tac Airport.
    TagsPort Of Seattle, Sea-Tac Airport, SIRRPP, Sound Insulation, StART
  • 2025-02-26

    StART SIRRPP Update — Acoustic Testing Overview and Results, Slide 13 (February 26, 2025)

    Slide 13 of a presentation titled 'Acoustic Testing Overview and Results' shows two field photographs: an exterior loudspeaker on a tripod set up in front of a residential house, and an interior shot of a technician using a measurement microphone on a pole inside a kitchen. The setup depicts standard residential sound transmission testing methodology.
    TagsPresentation, Sea-Tac Airport, SIRRPP, Sound Insulation, StART
  • 2025-02-26

    StART SIRRPP Update — Next Steps (Implementation Workshops, Design/Construction Phase) — Slide 17 — February 26, 2025

    A presentation slide titled 'Next Steps' listing two bullet points: 'Implementation Workshops' and 'Design/Construction Phase.' The slide is numbered 17 and uses a teal/blue color scheme with a green and blue wave graphic at the bottom, consistent with a planning or project-status presentation.
    TagsPresentation, Sea-Tac Airport, SIRRPP, StART

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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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