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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(58)

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  • 2025-12-07

    National Defense Authorization Act for Fiscal Year 2026

    ★
    This document is the National Defense Authorization Act for Fiscal Year 2026, a proposed federal law organizing defense spending and policy across eight divisions covering the Department of Defense, Military Construction, Department of Energy, and other areas. It outlines procurement authorizations for Army, Navy, and Air Force programs, including rules on aircraft, submarines, and unmanned vessels. This legislation does not address airport noise policy and is unrelated to Sea-Tac Airport or regional aviation noise regulations.
    CategoriesKey Documents TagsAdam Smith, Department of Defense, National Defense Authorization Act, Sound Insulation
  • SEA-SIRRPP Technical Report Assessment

    ★ 32
    CategoriesKey Documents TagsPort Packages, SIRRPP, Sound Insulation
  • Port of seattle response to burien on sirrpp dec 2025 page 2

    Port of seattle response to burien on sirrpp dec 2025 page 2

    A signed letter from Commissioner Toshiko Hasegawa, Commission President of the Port of Seattle, describing the Sound Insulation Pilot Program's progress, including FAA-approved Airport Improvement Program funding eligibility, acoustic testing results for pre-1993 insulated homes near SEA, and plans to expand outreach to 209 remaining homes in the Noise Remedy Boundary with additional testing planned for early 2026.
    TagsBurien Airport Committee, City of Burien, Port Of Seattle, SIRRPP, Sound Insulation, Toshiko Hasegawa
  • 2025-12-18

    Port of Seattle Response to Burien on SIRRPP Dec 2025

    The Port of Seattle responds to Burien's City Council regarding its Sound Insulation Repair and Replacement Pilot Program, explaining that the $5 million program targets homes insulated before 1993 that still measure at or above 45 dB DNL interior noise levels. Of 262 eligible homes in the highest noise zones tested so far, only 5 qualified for repairs, suggesting older insulation packages are still performing acoustically. The Port plans to expand testing to 209 additional homes in early 2026 and may access FAA grants covering up to 80% of design and construction costs.
    TagsBurien Airport Committee, City of Burien, Port Of Seattle, SIRRPP, Sound Insulation, Toshiko Hasegawa
  • NDAA Section 8801
    2025-12-12

    NDAA Section 8801 Pilot Program for Sound Insulation Repair and Replacement

    Legislative text from SEC. 8801 establishing a Pilot Program for Sound Insulation Repair and Replacement, amending Title 49 of the United States Code (Sections 47109 and 47110). The provision adds a special rule excluding previously government-paid costs from allowable project cost calculations for sound insulation projects granted waivers under Section 47110(j).
    CategoriesLegislation TagsAdam Smith, Airport Improvement Program, FAA, Legislation, National Defense Authorization Act, Sound Insulation
  • NDAA Section 8801
    2025-12-12

    Pilot program for sound insulation repair and replacement passes in Defense bill

    Smith/Murray provide funding. And so many loopholes. The House of Representatives has passed its mandated National Defense Authorization Act for Fiscal Year 2026. Near the end of the bill is Section 8801, language previously put forward by Congressman Adam Smith WA-9 to allow the FAA to provide grant funding for updates to existing sound insulation
    CategoriesNews Stories TagsAdam Smith, FAA, National Defense Authorization Act, Part 150, Sound Insulation
  • 2025-12-12

    The Sound Insulation Treatment Repair and Replacement Program Act

    The Sound Insulation Treatment Repair and Replacement Program Act, introduced by Rep. Adam Smith (WA-09), would allow the FAA to waive a rule that currently prevents federal Airport Improvement Program (AIP) funds from being used more than once on the same home. The bill addresses problems caused by poor-quality materials and faulty installations from early noise mitigation programs in the 1980s and 1990s, which left some homeowners dealing with mold, structural damage, and non-functioning insulation at their own expense. Airports would not be required to participate, but those that choose to could repair or replace defective sound insulation in homes still within the 65 DNL noise contour, provided an FAA-compliant noise auditor verifies the issues stem from improper installation or faulty materials rather than homeowner neglect.
    TagsAdam Smith, Airport Improvement Program, FAA, Noise Mitigation, Sound Insulation
  • 2023 Sound Insulation Treatment Repair and Replacement Program Act Fact Sheet 1 Pdf
    2025-12-12

    The Sound Insulation Treatment Repair and Replacement Program Act

    The Sound Insulation Treatment Repair and Replacement Program Act, introduced by Rep. Adam Smith (WA-09), would allow the FAA to waive a rule that currently prevents federal Airport Improvement Program (AIP) funds from being used more than once on the same home. The bill addresses problems caused by poor-quality materials and faulty installations from early noise mitigation programs in the 1980s and 1990s, which left some homeowners dealing with mold, structural damage, and non-functioning insulation at their own expense. Airports would not be required to participate, but those that choose to could repair or replace defective sound insulation in homes still within the 65 DNL noise contour, provided an FAA-compliant noise auditor verifies the issues stem from improper installation or faulty materials rather than homeowner neglect.
    TagsAirport Improvement Program, FAA, Noise Mitigation, Sound Insulation, Washington
  • 2025-10-09

    City of Burien letter to Port Of Seattle Commissioners regarding failed noise insulation packages

    The City of Burien sent this October 2025 letter to Port of Seattle Commissioners demanding a new, Port-funded program to repair or replace failed noise insulation packages installed in roughly 9,400 homes near Sea-Tac Airport since the mid-1980s. The city criticizes the Port's existing pilot program (SIRRPP) as inadequate, noting that none of the 30 homes evaluated qualified for repair or replacement and that many affected homes fall outside the boundary eligible for federal funding. Burien urges the Port to stop relying on federal or state dollars and instead model a solution after San Francisco International Airport's locally funded approach.
    CategoriesCorrespondence TagsCity of Burien, Port Of Seattle, Port Packages, SIRRPP, Sound Insulation
  • 2025-10-09

    City of Burien letter to Port Of Seattle Commissioners regarding failed noise insulation packages

    The City of Burien sent this October 2025 letter to Port of Seattle Commissioners demanding a new, Port-funded program to repair or replace failed noise insulation packages installed in roughly 9,400 homes near Sea-Tac Airport since the mid-1980s. The city criticizes the Port's existing pilot program (SIRRPP) as inadequate, noting that none of the 30 homes evaluated qualified for repair or replacement and that many affected homes fall outside the boundary eligible for federal funding. Burien urges the Port to stop relying on federal or state dollars and instead model a solution after San Francisco International Airport's locally funded approach.
    CategoriesCorrespondence TagsCity of Burien, Port Of Seattle, Port Packages, SIRRPP, Sound Insulation

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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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