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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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  • 1992-06-26

    North SeaTac Park master plan draft

    ★
    This 1992 draft Master Plan for North SeaTac Park was submitted by landscape architecture firm Jones & Jones to the City of SeaTac and King County. The plan outlines proposed development and improvements for North SeaTac Park, a public green space in the community surrounding Seattle-Tacoma International Airport. The document reflects a collaborative effort involving city staff, elected officials, a citizen advisory committee, and King County parks representatives.
    CategoriesKey Documents TagsCity Of SeaTac, Jones & Jones, King County, Master Plan, North Sea-Tac Park, NSTP
  • 224-78-R Motion King County Council (Boeing HQ Rezone)

    ★ 32
    Proposal to move Boeing headquarters to west side of airport noise buffer property from Sea-Tac Communities Plan
    CategoriesHistory, Key Documents Tags224-78-R, Boeing, King County, King County Council, Land Use
  • 1980-10-22

    Letter from Oris Dunham Airport Open Use (AOU) Classification Status Update

    ★
    Letter from Port of Seattle Policy Advisory Committee Chairman Oris Dunham to Virginia Dana providing status update on the Airport Open Use (AOU) classification in King County Zoning Ordinance. The letter explains the AOU classification’s purpose for economic development near airports and community concerns that led to a recommendation for deletion from the Highline Area
    CategoriesCorrespondence, History, Key Documents TagsAirport Open Use Zoning, Highline Community Plan, King County, Land Use, Port Of Seattle
  • 1976-09-20

    Ordinance No. 2883: An ordinance adopting the Sea-Tac Communities Plan

    ★ 32
    King County Ordinance No. 2883, passed in September 1976, officially adopted the Sea-Tac Communities Plan as an addendum to the King County Comprehensive Plan, establishing it as the guiding policy for land use, development, and redevelopment around Sea-Tac International Airport. The plan, developed with Federal Aviation Administration grant funding and extensive community involvement, addresses noise programs, open space acquisition areas, and compatible land use in the airport's vicinity. It required coordination between King County and the Port of Seattle on any future changes, with the Highline Communities Plan designated as the official zoning guideline for implementing its land use concepts.
    CategoriesKey Documents, Legislation TagsBernice Stern, King County, North Sea-Tac Park, NSTP, Sea-Tac Communities Plan
  • Mitigation bank service area pdf
    2026-07-31

    Mitigation bank service area map

    A map showing the mitigation bank service area within WRIA 9 (Water Resource Inventory Area 9), encompassing three subwatersheds: the Lower Green River Subwatershed, the Duwamish Estuary Subwatershed, and the Nearshore Subwatershed. The map displays the Green-Duwamish River and its associated streams in the greater Seattle/King County area of Washington State. An inset map shows
    TagsDuwamish River, Environment, King County, Map, Washington State
  • 2026-07-30

    August Plane Talk: Boeing Seafair Air Show, New VFR Routes, and Airport News

    Boeing Seafair Air Show runs today through Sunday The U.S. Navy Blue Angels during practice yesterday at King County International Airport-Boeing Field.  The Boeing Seafair Air Show kicks off today and runs through Sunday. Along with the U.S. Navy Blue Angels, performers include Torrey Ward’s Microjet and the U.S. Marine Corps F-35B, a vertical takeoff
    CategoriesFrom The Web Tagsaircraft, community engagement, FAA, King County
  • 2026-07-15

    Sea-Tac Communities Plan: Water quality, airport, and community development

    The Sea-Tac Communities Plan outlines strategies to improve compatibility between Seattle-Tacoma International Airport and surrounding neighborhoods, focusing on water quality, drainage, and land use. Key programs include public acquisition of noise-impacted residential areas for open space and recreation, conversion of single-family zones to higher-density or commercial uses, and reinforcement of existing neighborhoods through noise remedy and infrastructure improvements. The plan also addresses environmental concerns such as stream protection, holding pond systems for stormwater management, and pollution control near Miller and Des Moines Creeks.
    TagsDes Moines Creek, King County, Port Of Seattle, Sea-Tac Communities Plan, Water Quality
  • Stcp land use brochure side 1 web pdf
    2026-07-15

    Sea-Tac Communities Plan: Water quality, airport, and community development

    The Sea-Tac Communities Plan outlines strategies to improve compatibility between Seattle-Tacoma International Airport and surrounding neighborhoods, focusing on water quality, drainage, and land use. Key programs include public acquisition of noise-impacted residential areas for open space and recreation, conversion of single-family zones to higher-density or commercial uses, and reinforcement of existing neighborhoods through noise remedy and infrastructure improvements. The plan also addresses environmental concerns such as stream protection, holding pond systems for stormwater management, and pollution control near Miller and Des Moines Creeks.
    TagsDes Moines Creek, King County, Port Of Seattle, Sea-Tac Communities Plan, Water Quality
  • Stcp chapter 6 pg 9 north reinforcement area program application 1

    Sea-Tac Communities Plan: North Reinforcement Area Program Application

    This planning map, document number 6.6.5, is from the Sea-Tac Communities Plan sponsored by the Port of Seattle and King County. It depicts the North Reinforcement Area program application, showing grid-cell zones color-coded by noise mitigation category—including acquisition, purchase guarantee, cost-sharing insulation, and limited cost-sharing insulation—for the residential area surrounding Seattle-Tacoma International Airport, with landmarks such as Cedarhurst Elementary, Boulevard Park Elementary, Hilltop Elementary, Glacier High, and Sunset Junior High visible.
    TagsKing County, Map, Noise Mitigation, Port Of Seattle, Sea-Tac Communities Plan
  • Ecylogo news card 630
    2026-05-12

    State penalizes four organizations over $19,000 for fuel tank back fees at King County International Airport

      Department of Ecology News Release – May 13, 2026 SEATTLE  – After failing to pay a decade’s worth of back fees related to their underground storage tanks supplying King County International Airport – Boeing Field, Signature Aviation, Shultz, Inc., Sky Services, and King County have been penalized $19,681 by the Washington Department of Ecology. The
    CategoriesFrom The Web TagsAviation Fuel, Environment, KCIA, King County, pollution

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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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