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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.

TagSound Insulation(120)

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  • 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, StARTFolderSIRRPP 20250226
  • 2025-02-10

    Sound Insulation Repair and Replacement Pilot Program Assessment Update

    The Port of Seattle launched a Sound Insulation Repair and Replacement Pilot Program to assess the effectiveness of previously installed noise insulation packages in homes near Seattle-Tacoma International Airport. Authorized under Commission Order 2024-04 with a $6.5 million tax levy-funded budget—$5 million of which is reserved for design and construction—the program involved community outreach, property owner surveys, and acoustic testing throughout 2024. Properties were prioritized using an equity index to ensure underserved communities were considered, with design and construction work expected to begin in 2025.
    TagsNoise Mitigation, Part 150, Port Of Seattle, SIRRPP, Sound Insulation, StARTFolderAviation 20250210
  • 2025-02-10

    Aviation Noise Working Group Agenda — February 10, 2025

    The Aviation Noise Working Group met on February 10, 2025, to review operational trends at Seattle-Tacoma International Airport (SEA) and discuss noise reduction efforts. Key topics included the Aviation Near-term Noise Action Agenda, potential airfield noise monitoring, and an assessment of the Sound Insulation Repair and Replacement Pilot Program. The meeting was organized by the SEA Stakeholder Advisory Round Table (StART), which facilitates cooperation between the Port of Seattle and neighboring communities.
    TagsPort Of Seattle, Sea-Tac Airport, Sound Insulation, StARTFolderAviation 20250210
  • Sound Insulation Repair and Replacement Pilot Program

    The Sound Insulation Repair and Replacement Pilot Program was granted approval by the Port of Seattle Commission on February 27, 2024. This pilot program is to help assess products that were previously installed as part of the Sound Insulation Program and evaluate the current condition of those installations. The assessment was completed in December 2024.
    CategoriesFrom The Web TagsPort Of Seattle, SIRRPP, Sound Insulation
  • 2024-11-12

    Here’s what we’re doing to address failing ‘Port packages’ near Sea-Tac

    By Fred Felleman and Hamdi Mohamed Special to The Seattle Times The Seattle Tacoma International Airport is the nation’s fastest-growing airport of its size with over 400,000 flights carrying 50.8 million passengers in 2023. As a result, it continues to undergo extensive renovations that create jobs to build and operate the new facilities. Less obvious
    CategoriesFrom The Web TagsSB5955, Seattle Times, SIRRPP, Sound Insulation
  • 2024-05-22

    Sound Insulation Repair and Replacement Pilot Program Update

    Seattle-Tacoma International Airport launched a Sound Insulation Repair and Replacement Pilot Program following Commission Order 2024-04, approved on February 27, 2024, with a total budget of $6.5 million — including $5 million reserved for design and construction. The program, funded by tax levy, aims to assess and repair aging sound insulation in nearby homes, incorporating equity guidelines for participation. The 2024 assessment timeline includes resident surveys, acoustic testing, and a final report, with design and construction work planned for 2025.
    TagsHighline Forum, Port Of Seattle, SIRRPP, Sound Insulation, Tax LevyFolderHighline Forum 2024
  • 2024-05-16

    Port Of Seattle Sound Insulation Repair and Replace Pilot Program Survey Notice

    The Port of Seattle mailed this notice to residents near Sea-Tac Airport informing them about the Sound Insulation Repair and Replace Pilot Program, which aims to address aircraft noise in affected homes. Recipients were advised that a formal survey about the program would be mailed to them in early June. Program information and resources are available in multiple languages at www.portseattle.org/sound-insulation.
    TagsDes Moines, Noise Mitigation, Port Of Seattle, Port Packages, SIRRPP, Sound InsulationFolderPort Packages
  • 2024-05-02

    Port Of Seattle Sound Insulation Repair, Replacement, and Preventive Program (SIRRPP) Homeowner Condition Survey

    The Port of Seattle developed this Qualtrics survey to assess the condition of sound insulation treatments — such as windows and doors — previously installed in homes near Seattle-Tacoma International Airport. Residents are asked to verify their address, confirm property ownership and length of residency, and answer detailed questions about their windows, including how many exist and whether they were installed by the Port. The survey aims to identify items that may need repair, replacement, or maintenance.
    TagsPort Of Seattle, Port Package Program Updates, Port Packages, SIRRPP, Sound Insulation, Survey, WindowsFolderPort Packages
  • 2024-03-03

    Port Package Update Program News! Issue #1

    The Port of Seattle launched a Sound Insulation Repair and Replacement Pilot Program in February 2024, aimed at addressing mold, water damage, and other problems affecting the roughly 9,400 homes in Burien, Des Moines, Kent, and SeaTac that received Port-funded sound insulation systems. With $6 million in combined Port and State funding, the program will assess and prioritize homes for repair, with work expected to begin on some homes in 2025, though the ultimate goal is securing federal funding to fix all eligible homes. Community organization Sea-Tac Noise.Info is encouraging homeowners to proactively document their issues and connect with the program rather than waiting to be contacted by the Port.
    TagsPort Of Seattle Commission, Port Packages, SB5955, SeaTacNoise.Info, Sound InsulationFolderPort Packages
  • 2024-02-27

    Port Of Seattle Commission Meeting: Order No. 2024-04 Sound Insulation Repair and Replacement Pilot Program

    A Port of Seattle Commission meeting is shown at timestamp 1:24:33 of 1:41:41, addressing Agenda Item 10a: Order No. 2024-04, which sets a timeline for completing the assessment of prior sound-insulated properties, creates a Sound Insulation Repair and Replacement Pilot Program, and establishes equity guidelines for the program. A commissioner or staff member is speaking at the dais.
    TagsHamdi Mohamed, Port Of Seattle Commission, Port Package Program Updates, Sound InsulationFolderCommission

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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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