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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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  • 1979-01-01

    Resolutions index for year 1979

    This is an index of Port resolutions from 1979 (Volume 13) relating to Seattle-Tacoma International Airport (STIA) and other Port of Seattle operations. Key airport-related actions include modifications to rates and regulations, authorization of federal grant agreements for runway improvements and clear zone land acquisition, and amendments clarifying the Port's land-use intentions under the Sea-Tac/Communities Plan. Additional resolutions addressed administrative authority, travel expense policies, and surplus property disposal.
    TagsPort Of SeattleFolderMeetings
  • 1979-01-01

    “Impacted area” definition: An act relating to aircraft noise abatement

    This 1979 Washington State legislative act amends the definition of an 'impacted area' for aircraft noise abatement purposes near airports. It expands the eligible zone from three to six miles beyond the paved end of any runway, and from fifteen hundred to thirty-three hundred feet from the runway centerline, within which port districts may undertake noise mitigation programs. Areas meeting these geographic criteria are officially designated as 'impacted areas' subject to noise investigation and abatement efforts.
    Tagsaircraft, Airport Noise Law, Port Of SeattleFolderState
  • 1978-09-06

    Policy Advisory Committee Meeting Agenda – Sea-Tac/Communities Plan

    A 1978 internal memo from Ed Parks to Policy Advisory Committee Members announces a meeting scheduled for Wednesday, September 6, 1978, at 2:00 p.m. in the Airport Conference Room at Sea-Tac International Airport. The meeting, organized as a joint effort of the Port of Seattle and King County, covers four agenda items: an update on Policy Advisory Committee Reorganization, Sea-Tac Westside Developments, the King County Capital Improvement Program for 1979, and Noise Remedy Programs.
    CategoriesMeetings TagsAdvisory Committees, King County, Noise Remedy Program, Port Of Seattle, Sea-Tac Airport, Sea-Tac Communities PlanFoldercommittees
  • 1978-09-01

    Citizen Advisory Committee Roles: Comparative Overview of King County, Group Health, Metro, Seattle, and Sea-Tac Advisory Bodies

    This document outlines the structure and responsibilities of the Policy Advisory Committee (PAC) established in 1978 to oversee implementation of the Sea-Tac Airport Communities Plan. The 12-member committee—drawn from King County, the Port of Seattle, local businesses, government, schools, airlines, and community representatives—was charged with long-term monitoring, addressing special issues, and making recommendations to the King County Executive, Council, and Port of Seattle Commission. The PAC met quarterly at the Sea-Tac Conference Room, with members serving three-year terms and staff support provided jointly by the Port and County.
    TagsAdvisory Committees, Highline Community Plan, King County, King County Policy Development Commission, Policy Advisory Committee, Port Of Seattle, Sea-Tac Communities PlanFoldercommittees
  • 1978-06-21

    Project Manual 4A: Noise Monitoring System, Port Of Seattle at Sea-Tac International Airport, 1978

    This 1978 Project Manual outlines the specifications for a Noise Monitoring System at Seattle-Tacoma International Airport, issued by the Port of Seattle Commission. The document covers bidding requirements, contract conditions, and detailed technical specifications for installing remote monitoring stations, communications channels, and a central processing system to track aircraft noise levels around the airport. It was prepared under the direction of Chief Engineer Vernon L. Ljungren and includes provisions for system warranty and ongoing maintenance services.
    TagsNoise Monitors, Port Of Seattle, Sea-Tac Airport, Third RunwayFolderNoise
  • 1978-03-23

    File 224-78-R: Environmental Assessment and Preliminary Report to the Zoning & Subdivision Examiner — Boeing Corporate Headquarters, Sea-Tac Airport West Side

    In 1978, the Port of Seattle applied to rezone a 29-acre parcel on the west side of Seattle-Tacoma International Airport from single-family residential to Manufacturing Park (M-P) to allow Boeing to build its Corporate Headquarters Office Facility. The proposed Phase I development included a two-story, 150,000-square-foot building with underground parking for 235 cars and roughly 200 employees, along with road construction, radar relocation, and site landscaping. The application required an Environmental Impact Statement and raised land-use compatibility questions given that surrounding community plans had designated much of the site as open space or parkland.
    Tags224-78-R, Boeing HQ, Highline Community Plan, Port Of Seattle, Sea-Tac AirportFolderProposed Boeing HQ 1978
  • 1978-03-15

    File 224-78-R Appendix B: Port Of Seattle Zone Change Map, RS-7200 to M-P, STR E 29-23-4

    This 1978 King County Building & Land Development document relates to a zoning reclassification application (File 224-78-R) filed by the Port of Seattle, proposing to change land near Seattle-Tacoma Airport from residential (RS-7,200) to manufacturing-park (M-P) zoning. The accompanying map shows the affected parcels in section E 29-23-4, located adjacent to Sea-Tac Airport, where multiple residential zones were targeted for conversion. A notice was mailed to area resident Virginia Dana at 2648 South 142nd Street, Seattle, in March 1978.
    CategoriesHistory Tags224-78-R, Boeing, King County, Land Use, Port Of Seattle, Virginia DanaFolderProposed Boeing HQ 1978
  • 1978-03-09

    Final Environmental Impact Statement for the Proposed Boeing Company Corporate Headquarters Facility

    This March 1978 Final Environmental Impact Statement, prepared jointly by King County and the Port of Seattle, evaluates the proposed construction of a Boeing Company Corporate Headquarters Facility on the western boundary of Sea-Tac International Airport. The project required zoning reclassification, community plan amendments, and various permits for a site located east of 12th Avenue South between South 166th Place and South 173rd Street. The document was prepared under the Washington State Environmental Policy Act (SEPA) and related county regulations.
    TagsBoeing, Environmental Impact Statement, King County, Port Of Seattle, Sea-Tac Communities PlanFolderProposed Boeing HQ 1978
  • Stcp chapter unk pg 21240 sea tac international airport terminal area plan
    1978-01-01

    Sea-Tac International Airport Terminal Area Plan — Land-Use Map from the Sea-Tac Communities Plan (1978)

    A land-use map from the Sea-Tac Communities Plan showing the Sea-Tac International Airport terminal area as of south 1978, sponsored by the Port of Seattle and King County. The map identifies zones including the terminal complex, airport support, air cargo maintenance, and non-aviation commercial areas, with a legend distinguishing existing buildings, expansions after 1978, and construction by 1978. Document reference number POS 21240.
    TagsKing County, Map, Port Of Seattle, Sea-Tac Airport, Sea-Tac Communities PlanFoldermaps
  • 1977-09-27

    Letter from Port of Seattle Executive Director Richard D. Ford regarding Concorde aircraft noise concerns

    In this September 1977 letter, Port of Seattle Executive Director Richard D. Ford responds to a community member's concerns about the Concorde supersonic jet, expressing alarm that the Federal Government amended its noise regulations to allow a noisier aircraft to operate at U.S. airports. Ford warns this decision undermines the Sea-Tac/Communities Plan, which was built on the expectation that aircraft would become progressively quieter over time. He calls on the federal government, airlines, and aircraft manufacturers to aggressively pursue quieter engine technology as a necessary solution to airport noise problems.
    CategoriesCorrespondence TagsNoise, Port Of Seattle, Richard D. Ford, Sea-Tac Airport, STCP, SupersonicFolderNoise Mitigation

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Upcoming Events

  • 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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