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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.

Category : History(243)

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  • 1997-02-07

    HOK Executive Summary

    an excerpt from the 1997 Sea-Tac International Airport Impact Mitigation Study Overview There is no doubt that the expansion of Sea-Tac International Airport will have a positive economic benefit for the region and the State. However, the costs associated with these improvements are disproportionately borne by those communities immediately surrounding the Airport. Communities such as
    CategoriesHistory
  • Down-To-Earth Job — Sea-Tac’s Third Runway To Get Its Fill Of Dirt

    Jack Broom Seattle Times Staff Reporter Let’s say you’ve been looking for a better view, but you don’t want to leave the neighborhood. Instead, you bring in fill dirt to raise your property so you can see over all your neighbors. Somehow you get the dirt to form a nice column straight up from your
    CategoriesFrom The Web, History TagsFill Dirt, Seattle Times, Third Runway
  • 1996-07-11

    PSRC Resolution A-96-02: amending the 1995 MTP and related planning documents to provide for the long-term commercial air transportation capacity needs of the Central Puget Sound Region

    In July 1996, the Puget Sound Regional Council adopted Resolution A-96-02, amending the region's Metropolitan Transportation Plan to include plans for a third runway at Seattle-Tacoma International Airport, paired with additional noise reduction measures. The decision followed years of study, including an Expert Panel finding that neither demand management strategies nor high-speed rail could eliminate the need for expanded capacity. Final approval of the runway remained contingent on environmental review by the Port of Seattle, Federal Aviation Administration permitting, and completion of required noise mitigation steps.
    CategoriesHistory TagsExpert Arbitration Panel, PSRC, Puget Sound Regional Council, Sea-Tac Airport, Third Runway
  • Moscow-Pullman Daily News July, 11 1996: Activists propose new ‘Puget Sound County’

    An Associated Press article reports on a campaign to carve 'Puget Sound County' out of King County, stretching from suburbs around Seattle-Tacoma International Airport to the Pierce County line. The proposed county would include Federal Way, Burien, Des Moines, Normandy Park, Sea-Tac, Tukwila, and nearby unincorporated areas, with a projected population of 150,000 to 200,000 residents.
    CategoriesHistory TagsAssociated Press, King County, Moscow Pullman Daily News, Peter Townsend, Puget Sound County, Secession
  • 1996-03-27

    PSRC Expert Arbitration Panel Final decision on noise issues

    The Expert Arbitration Panel on Noise and Demand/System Management Issues issued its final decision on noise issues related to Resolution A-93-03, which set noise reduction conditions for PSRC authorization of a third runway at Sea-Tac International Airport. A majority of the Panel found that the Port of Seattle had not demonstrated a sufficient reduction in
    CategoriesHistory TagsExpert Arbitration Panel, Port Of Seattle, PSRC, Puget Sound Regional Council, Third Runway
  • 1995-01-20

    House Bill 1293: Soundproofing programs in aircraft noise-impacted areas

    Washington House Bill 1293 (1995) amended state law governing how port districts can address aircraft noise impacts on nearby properties, expanding soundproofing programs and removing a prior requirement that property owners waive damages and convey easements in exchange for noise mitigation. The bill declared such damage-waiver agreements void as against public policy, meaning residents near airports like Sea-Tac could receive soundproofing benefits without giving up their legal rights. The act was designated an emergency measure, intended to take effect immediately upon passage.
    CategoriesHistory TagsNoise Mitigation, Port Of Seattle, RCW, Soundproofing, Washington State Legislature
  • 1994-12-11

    Sea-Tac’s Turbulent History

    Stephen Clutter, Paul J. Lim The latest controversy at Sea-Tac, over a possible third runway, is one more chapter in a long, turbulent history of airport expansion. Planes started using the site in 1944 and in five decades, it has become the 16th-busiest airport in the nation. ———————————- If you’re upset about the possibility of
    CategoriesFrom The Web, History TagsRichard Kennedy, Sea-Tac Airport, Seattle Times, Westside Hilltop Survival Committee
  • 1993-12-22

    Port Of Seattle letter to Barbara H. Stuhring regarding ethylene glycol use at Sea-Tac Airfield

    A 1993 Port of Seattle letter to Des Moines resident Barbara Stuhring explains that airplane deicing at Sea-Tac uses only FAA-approved ethylene or propylene glycol, and that wastewater from deicing drains to the airport's treatment system before being discharged to Puget Sound — not to Miller or Des Moines Creeks. A 1996 Final Environmental Impact Statement (EIS) later addressed public concerns about deicing fluid effects on local waterways, concluding that glycol quantities in stormwater runoff were too small and too diluted to cause lethal impacts on aquatic life in those creeks. Stuhring subsequently wrote to the Port challenging what she saw as a contradictory response in the Final EIS compared to the original 1993 letter.
    CategoriesHistory TagsBarbara Hinkle, Deicing, Ethylene Gycol, Stormwater, Water Quality
  • 1993-07-25

    Substitute House Bill 1915: Aircraft noise abatement–assistance to individual properties

    Washington State's Substitute House Bill 1915, signed into law on April 30, 1993, expanded the tools available to port districts for addressing aircraft noise impacts on nearby properties. The law allows ports to offer affected property owners a range of remedies, including property acquisition, transaction assistance, soundproofing programs, and mortgage insurance. A key update permits individual properties to receive benefits more than once if they experience increased or changed aircraft noise levels that would have warranted a different level of mitigation.
    CategoriesHistory TagsLegislation, Noise Mitigation, RCW, State of Washington
  • 1993-01-01

    Flight Plan Project: Materials distributed at the Flight Plan workshops for the Regional Council’s Transportation Policy Board and Executive Board

    This collection contains materials from the Flight Plan Project workshops held in January and February 1993, organized for the Regional Council's Transportation Policy Board and Executive Board to address airport planning and capacity needs in the Puget Sound region. The binders include working papers, overhead presentations, environmental impact statement documents, public hearing records, and correspondence from stakeholders ranging from the FAA and Port of Seattle to community groups opposing airport expansion. Key topics covered include demand management, noise abatement, regional airport system alternatives, and the evaluation of sites such as Sea-Tac and Paine Field.
    CategoriesHistory TagsFlight Plan Project, PSRC, Puget Sound Regional Council

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  • KCIA 2026 FOD Walk
    Add to CalendarMSaturday Aug 15, 7:30am - 10:00am
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    Museum of FlightSeattle, WA Saturday, August 15  •  7:30 AM – 10 AM Overview Join us for the KCIA 2026 FOD Walk—let’s keep the runway clean and have some fun together! Join Us for the KCIA 2026 FOD Walk! Get ready to step out and enjoy an awesome in-person event all about keeping our spaces

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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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