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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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  • 2025-03-10

    Airport and Nearby Communities Partner on Taking Shared Policy Priorities to First-Ever Olympia Day on the Hill

    SEA StART members met with state legislators and Executive Branch staff on new approaches to meeting aviation demand while addressing community concerns March 10, 2025 OLYMPIA, WA — Members of the Seattle-Tacoma International Airport (SEA) Stakeholder Advisory Round Table (StART), elected officials and staff from nearby cities, and Port staff traveled to the state capital
    CategoriesFrom The Web TagsPort Of Seattle, Press Release, StART
  • StART SIRRPP Update_2.26.2025_15

    A presentation slide from a Sea-Tac Airport noise insulation program briefing explaining Expected Useful Life (EUL) of windows and doors for homes, based on four studies. The slide lists EUL ranges for aluminum window frames (15–20 yrs), vinyl window frames (20–30 yrs), glass/glazing (8–20 yrs), storm/window screens (10–15 yrs), storm doors (7–10 yrs), sliding doors (20 yrs), and entry door slabs (20–30 yrs), and notes that EULs do not account for acoustic performance.
    TagsSIRRPP, StARTFolderSIRRPP 20250226
  • 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, SurveyFolderSIRRPP 20250226
  • 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, TimelineFolderSIRRPP 20250226
  • 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, StARTFolderSIRRPP 20250226
  • 2025-02-26

    StART agenda, February 26, 2025

    The StART (SEA Stakeholder Advisory Round Table) meeting held on February 26, 2025, focused on two main topics: a presentation and Q&A on the assessment of the Sound Insulation Repair and Replacement Pilot Program, and a recap of StART's Olympia Day on the Hill advocacy event from February 12. Additional updates were provided on Aviation Noise Working Group activities and the Sustainable Airport Master Plan, with time allotted for public comment. The meeting was conducted via Zoom, with the next session tentatively scheduled for April 23, 2025.
    CategoriesMeetings TagsStARTFolder2025
  • 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, StARTFolderSIRRPP 20250226
  • 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.
    TagsStARTFolder2025
  • 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, StARTFolderSIRRPP 20250226
  • 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, StARTFolderSIRRPP 20250226

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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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