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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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  • 1983-03-01

    The Role of the Policy Advisory Committee, March 1983

    This March 1983 document outlines the proposed role and restructured composition of the Policy Advisory Committee (PAC), a body formed to serve as a communication link between Sea-Tac International Airport and its surrounding communities. It defines five key responsibilities for PAC, including monitoring the Sea-Tac/Communities Plan, addressing airport-related issues, and making recommendations to King County and Port of Seattle officials. The document also proposes reforms to membership selection, including three-year terms, formal application procedures, public notification requirements, and geographically based citizen representation.
    TagsKing County, Policy Advisory Committee, Port Of Seattle, Sea-Tac Communities Plan, STCPFoldercommittees
  • 1983-01-26

    PAC Subcommittee on Organization letter, January 26, 1983

    This document collection includes correspondence from 1981–1983 related to noise policy around Seattle-Tacoma (Sea-Tac) Airport. A February 1981 letter from PAC Chairman Oris Dunham to King County's Director of Planning urges the county to adopt and enforce building code sound insulation requirements — as called for in the Sea-Tac/Communities Plan adopted in 1976 — to protect nearby residents from aircraft noise. A January 1983 letter to the PAC Subcommittee on Organization outlines plans to develop a series of organizational alternatives for review at the March 23 Policy Advisory Committee meeting.
    CategoriesCorrespondence TagsKing County, Oris Dunham, Policy Advisory Committee, Sea-Tac Communities PlanFolderSea-Tac Airport
  • Stcp chapter unk pg 9 traffic 1983 routes and volume state and county arterials
    1983-01-01

    Sea-Tac Communities Plan: 1983 Average Daily Traffic Volumes on State and County Arterials

    A map from the Sea-Tac Communities Plan (document reference POS 20820, page 9, section 4.2.7) showing 1983 average daily traffic volumes on state and county arterials in the Sea-Tac area. The plan was sponsored by the Port of Seattle and King County, and includes a legend noting that downward-pointing triangle symbols refer to section 6.6.6 for discussion.
    TagsKing County, Map, Sea-Tac Airport, Sea-Tac Communities Plan, STCPFoldermaps
  • 1982-08-20

    Final Designation Report: Hillgrove Cemetery Community Landmark

    The King County Landmarks Commission formally designated Hillgrove Cemetery, located on 200th Street South between 15th and 16th Streets, as a community landmark on August 12, 1982. The cemetery, owned by the Hillgrove Cemetery Association, was recognized for containing the graves of settlers and pioneers significant to the development of the Highline area near what is now the Sea-Tac region. The designation protects the cemetery's plots, gravestones, entrance, trees, and landscape features from alteration without Commission approval.
    TagsHighline Community, Hillgrove Cemetery, Historic Preservation, King CountyFolderHillgrove Cemetery
  • 1982-05-01

    Sea-Tac/Boeing Field Airspace Study Newsletter, May 1982

    A May 1982 newsletter from the Port of Seattle and King County describing an airspace study examining overlapping flight patterns between Sea-Tac International Airport and Boeing Field. The study found that delays caused by these overlapping traffic patterns were expected to grow gradually through 1990 and accelerate through 2000, particularly at Sea-Tac. The public was invited to a May 18, 1982 meeting to review preliminary findings and provide input on whether to proceed with identifying solutions to reduce aircraft delays.
    CategoriesCorrespondence, History TagsAirspace Study, Boeing Field, KCIA, King County, Newsletter, Port Of Seattle, Sea-Tac AirportFolderFlyers
  • 1981-12-08

    Memorandum of understanding: Boeing headquarters – reclassification of property

    This 1981 Memorandum of Understanding between the Port of Seattle and King County outlines terms for reclassifying approximately 30 acres of land on the west side of Sea-Tac International Airport to allow Boeing to develop a Corporate Headquarters Facility. The agreement includes provisions for the Port to lease 5 acres to King County for a neighborhood park at $1 per year, and restricts development on an adjacent 55-acre greenbelt buffer zone for at least 10 years. The document also affirms King County's zoning authority over non-airport-related land use at Sea-Tac and establishes a dispute resolution process between the two agencies.
    CategoriesCorrespondence TagsBoeing, King County, Port Of SeattleFolderProperties
  • Westside Hilltop v. King County

    Westside Hilltop v. King County 96 Wn.2d 171 (1981) 634 P.2d 862 WESTSIDE HILLTOP SURVIVAL COMMITTEE, ET AL, Appellants, v. KING COUNTY, ET AL, Respondents. No. 46982-2. The Supreme Court of Washington, En Banc. October 8, 1981. *172 Roger M. Leed and Jeffrey M. Eustis, for appellants. Norm Maleng, Prosecuting Attorney, and Susan R. Agid,
    CategoriesFrom The Web, History TagsAppearance of Fairness Doctrine, Boeing, HCP, Highline Community, King County, King County Council, Westside Hilltop Survival Committee
  • 1981-06-09

    King County Department of Planning and Community Development: Letter to Virginia Dana Acknowledging Complaint Case 81-456

    A June 9, 1981 letter from King County's Building & Land Development division acknowledges receipt of a complaint filed by Mrs. Virginia Dana of Seattle, assigning it case number 81-456. The letter explains the county's process for handling code violations, which may include contacting the property owner by phone or letter, and potentially conducting a field inspection if a serious hazard exists. The division pledges to make every effort to bring the property into compliance with King County Codes.
    CategoriesCorrespondence Tagscommunity development, King County, Virginia DanaFolderKing County
  • 1981-01-15

    Letter regarding draft Regional Airport System Plan, 1980 to 2000

    A January 1981 letter from the Puget Sound Council of Governments invites citizens and agencies to review a draft Regional Airport System Plan covering 1980 to 2000, which outlines existing aviation facilities, projected needs, and recommendations for expanding several airports in the region. The plan also calls for construction of a new industrial/commuter airport in the King-Snohomish service area, though no specific site is identified. Public comments were due before February 27, 1981, with the King Subregional Council expected to vote on adoption in March 1981.
    CategoriesCorrespondence TagsHistory, King County, PSRCFolderStudies
  • 1981-01-01

    King County Council Districts Map, 1981

    This 1981 King County, Washington map depicts the nine County Council Districts, listing each district's representative and contact phone number. Council members included Tracy J. Owen, Scott Blair, Bill Reams, Lois North, Ruby Chow, Bruce Laing, Paul Barden, Bob Greive, and Gary Grant. The map was produced by the King County Council and archived by the Seattle Public Library as a historical state document.
    TagsHistory, King County, King County Council, MapFolderKing County

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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

    [...]

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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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