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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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  • STCP-6.6.5-27-south

    A planning map from the Sea-Tac Communities Plan, sponsored by the Port of Seattle and King County, showing the South Reinforcement Area program application with color-coded zones indicating acquisition, purchase guarantee, cost-sharing insulation, and limited cost-sharing insulation relative to airport noise contours. The map covers the area around S. 223rd Street south to Kent city limits, bounded by Puget Sound to the west and Pacific Highway South (SR-99) to the east, with landmarks including Mt. Rainier High School, Highline Community College, and Parkside Elementary labeled.
    TagsMap, Noise Mitigation, Port Of Seattle, Sea-Tac Communities Plan, Sound InsulationFolderChapter 6.6.5
  • STCP-6.6.5-25-south

    A planning map produced under the Sea-Tac Communities Plan, sponsored by the Port of Seattle and King County, depicting the South Reinforcement Area program application near Seattle-Tacoma International Airport. The map identifies land-use zones including the Southwest Conversion Area, Southeast Conversion Area, and color-coded program interventions such as acquisition, purchase guarantee, cost-sharing insulation, and limited cost-sharing insulation, with grid cells referenced by noise criteria (e.g., N-25 through Q-28) and landmarks including Woodside School, Manhattan Elementary, and Tyee Golf Course.
    TagsMap, Noise Mitigation, Sea-Tac Airport, Sea-Tac Communities Plan, Sound InsulationFolderChapter 6.6.5
  • 2022-06-08

    Replacement Initiative Application Form (RI-1): San Francisco International Airport Residential Sound Insulation Program

    The San Francisco International Airport (SFO) Replacement Noise Insulation Initiative offers free repair or replacement of failed acoustical improvements—such as windows, doors, and ventilation systems—for eligible residential properties previously treated under SFO's Noise Insulation Program. To qualify, a property must fall within the 65-decibel CNEL noise contour on the SFO Noise Exposure Map, and failures caused by neglect or improper maintenance are not covered. Homeowners can apply by submitting the RI-1 application form via email or mail to C. Kell-Smith & Associates, Inc.
    TagsAvigation Easement, Noise Mitigation, Port Packages, San Francisco International Airport, SFO, Sound InsulationFolderPort Packages
  • 2021-11-30

    Port Package Program — Site Photo, November 2021

    TagsPort Packages, Sea-Tac Airport, Sound InsulationFolderPort Packages
  • 2021-09-01

    LAX Community Benefits Agreement Highlights 2005-2020

    A highlights document summarizing the LAX Community Benefits Agreement covering residential and school sound insulation programs, workforce development, air quality improvements, traffic management, and green building principles. The document outlines various community benefit programs implemented by Los Angeles World Airports.
    TagsLAX, Sound InsulationFolderLos Angeles
  • 2021-02-22

    Letter to FAA Administrator Dickson on FY21 Sound Insulation Program Report Language

    Letter dated February 22, 2021 from Representatives Adam Smith (WA-09) and Katherine Clark (MA-05) to FAA Administrator Stephen Dickson urging swift implementation of the FY21 House Appropriations Report provision on the FAA sound insulation program. The letter addresses Airport Improvement Program (AIP) regulations barring airports from applying for federal funds for the same project more
    TagsAdam Smith, AIP, Airport Improvement Program, FAA, MassPort, Noise Mitigation, Sound InsulationFolderFAA
  • February 22, 2021 fy21 report language letter to FAA pdf
    2021-02-22

    Letter to FAA Administrator Dickson on FY21 Sound Insulation Program Implementation

    Letter dated February 22, 2021 from Representatives Adam Smith (WA-09) and Katherine Clark (MA-05) to FAA Administrator Stephen Dickson urging swift implementation of the FY21 House Appropriations Report provision on the FAA sound insulation program. The letter addresses Airport Improvement Program (AIP) regulations barring airports from applying for federal funds for the same project more
    TagsAdam Smith, AIP, Airport Improvement Program, FAA, MassPort, Noise Mitigation, Sound InsulationFolderFAA
  • 2020-12-17

    Response to Alex Stone’s email of December 17, 2020 re: Rep. Smith’s proposed House Bill

    This document is a detailed response regarding a proposed Washington State house bill on airport sound insulation, arguing that homeowners near Sea-Tac Airport who received faulty or inadequate noise insulation in the 1980s–2000s should qualify for a second round of repairs at no fault of their own. The author contends that poor contractor quality, a bankrupt window manufacturer, and dramatically increased flight operations have left many residents without the noise protection they were promised in exchange for signing away air rights. Key recommendations include limiting eligibility to homes originally certified under the 65 dB DNL noise contour, using certified engineers to assess repair needs, and tying funding criteria to documented increases in aircraft operations over time.
    TagsAIP, Noise Mitigation, Part 150, Port Of Seattle, Sound InsulationFolderSP #2
  • Port Package Documentation – Rotted Interior Corner

    TagsPort Packages, Sea-Tac Airport, Sound InsulationFolderPort Packages
  • Port Package Documentation – Rotted Window Sill

    Karen Hynes, Des Moines, outer wall replacement Port Package 09-29-2020
    TagsPort Packages, Sea-Tac Airport, Sound Insulation, WindowsFolderPort Packages

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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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