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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.
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  • 1987-10-01

    Regional Airport System Plan 1988-2020: Air transportation element of the Regional Transportation Plan

    ★
    The 1988-2020 Regional Airport System Plan, published in October 1987, outlines policies for managing and developing public-use airports across King, Kitsap, Pierce, and Snohomish counties through the year 2020. A central finding is that Sea-Tac Airport was projected to reach full capacity within 10 to 15 years, with intolerable aircraft delays expected unless alternative measures were taken. The plan also addresses noise and flight track mitigation programs, land use compatibility near airports, and the potential role of satellite airports such as Paine Field, Bremerton National, and Tacoma Narrows in relieving pressure on Sea-Tac.
    CategoriesKey Documents TagsGeneral Aviation, Puget Sound Regional Council, RASP, Regional Airport System Plan, Sea-Tac AirportFolderStudies
  • 1980-11-19

    Regional Airport System Plan, 1980-2000, Central Puget Sound region

    ★ 32
    This 1980 draft report, produced by the Puget Sound Council of Governments, outlines a Regional Airport System Plan for the Central Puget Sound area covering the years 1980 to 2000. Funded by the Port of Seattle, the Washington State Department of Transportation, and the Federal Aviation Administration, the plan was developed to guide regional aviation policy and infrastructure decisions across King, Pierce, Snohomish, and Kitsap counties. It was prepared for review by the Standing Committee on Transportation and represents an early framework for managing air travel demand and airport development in the greater Seattle region.
    CategoriesHistory, Key Documents TagsDraft, PSCOG, PSRC, Puget Sound Council of Governments, RASPFolderStudiesStudy TopicsAirspace
  • 2022-09-01

    Appendix 7: Regional aviation

    The Puget Sound Regional Council adopted resolutions in 1993 and 1996 establishing the region's long-term commercial air transportation policy, concluding that a third runway at Seattle-Tacoma International Airport (Sea-Tac) should be pursued alongside additional noise reduction measures. The council determined that small supplemental airports, including Paine Field, would not serve as alternatives for meeting regional commercial air capacity needs. These decisions were incorporated into the 1995 Metropolitan Transportation Plan and are maintained in the Destination 2030 regional transportation framework.
    TagsPaine Field, Puget Sound Regional Council, RASP, Sea-Tac Airport, Third RunwayFolderDestination 2030 CD
  • 2001-08-01

    2001 Regional Airport System Plan

    The 2001 Regional Airport System Plan, published by the Puget Sound Regional Council in August 2001, is a comprehensive planning document for airports across the Central Puget Sound Region and serves as a modal component of the long-range transportation plan known as Destination 2030. Prepared with input from a Regional Airport System Plan Advisory Committee and partially funded through a Federal Aviation Administration planning grant, the plan addresses aviation infrastructure, capacity, and noise considerations for the region. It covers policy and development guidance for airports in the greater Seattle–Tacoma area, though its contents do not necessarily reflect official FAA policy or commitments.
    TagsPSRC, Puget Sound Regional Council, RASP, Regional Airport System PlanFolderPuget Sound Regional Council
  • 1996-06-20

    Summary of the Regional Council’s Decision Process Relating to Amending the Metropolitan Transportation Plan to Include a Third Runway at Sea-Tac International Airport with Additional Noise Reduction Measures

    This 1996 Puget Sound Regional Council document summarizes the decision-making process behind adding a third runway at Seattle-Tacoma International Airport, tracing planning efforts from the late 1980s through 1996. It outlines how regional studies, including the Flight Plan Project and an Expert Panel evaluation, concluded that no feasible alternative airport sites existed and that options like high-speed rail or congestion pricing could not replace the need for the new runway. The amendment to the Metropolitan Transportation Plan was approved subject to conditions requiring noise reduction measures and demand management actions.
    TagsEnvironmental Impact Statement, Flight Plan Project, Puget Sound Regional Council, RASP, Third RunwayFolder07-Executive Board-General Assembly-Amendment MTP
  • 8099 third runway decision process pdf
    1996-06-20

    Summary of the Regional Council’s Decision Process Relating to Amending the Metropolitan Transportation Plan to Include a Third Runway at Sea-Tac International Airport with Additional Noise Reduction Measures

    Title page of a Puget Sound Regional Council document dated June 20, 1996, summarizing the Regional Council's decision process relating to amending the Metropolitan Transportation Plan to include a third runway at Sea-Tac International Airport with additional noise reduction measures.
    TagsEnvironmental Impact Statement, Flight Plan Project, Puget Sound Regional Council, RASP, Third RunwayFolder07-Executive Board-General Assembly-Amendment MTP
  • 1996-06-20

    Summary of the Regional Council’s decision process relating to amending the Metropolitan Transportation Plan to include a third runway at Sea-Tac International Airport with additional noise reduction measures

    This document summarizes the Puget Sound Regional Council’s planning process for amending the Metropolitan Transportation Plan to include a third runway at Sea-Tac International Airport. It covers the history of regional aviation planning from the 1988 Regional Airport System Plan through the Flight Plan Project, Sea-Tac Master Plan, and Expert Arbitration Panel findings on noise
    TagsExpert Arbitration Panel, Flight Plan Project, Puget Sound Regional Council, RASP, Third RunwayFolderThird Runway
  • 1993-04-29

    Resolution A-93-03: A resolution of the General Assembly of the Puget Sound Regional Council amending the 1988 Interim Regional Airport System Plan (RASP) for long-term commercial air transportation capacity needs of the region

    In April 1993, the Puget Sound Regional Council adopted Resolution A-93-03, amending its 1988 Regional Airport System Plan to address long-term commercial air transportation needs in the central Puget Sound region. The resolution established a preferred strategy of pursuing both a major supplemental airport within the four-county area and a third runway at Sea-Tac Airport, with the third runway to be authorized by April 1, 1996 subject to conditions including noise reduction performance objectives and demand management efforts. The resolution also eliminated small supplemental airports such as Paine Field as a preferred alternative and called for site-specific environmental impact studies on the proposed Sea-Tac third runway.
    TagsFlight Plan Project, Puget Sound Regional Council, RASP, Sea-Tac Airport, Third RunwayFolderPuget Sound Regional Council
  • 1993-04-29

    Resolution A-93-03: A resolution of the General Assembly of the Puget Sound Regional Council amending the 1988 Interim Regional Airport System Plan (RASP) for long-term commercial air transportation capacity needs of the region

    In April 1993, the Puget Sound Regional Council adopted Resolution A-93-03, amending its Regional Airport System Plan to address long-term commercial air transportation needs for the central Puget Sound region. The resolution established a dual-track strategy of pursuing both a major supplemental airport within the four-county area and a third runway at Sea-Tac Airport, with the third runway to be authorized by April 1, 1996 unless a viable supplemental site could eliminate that need. Key conditions attached to the third runway approval included independent evaluation of demand management programs and measurable noise reduction performance objectives, while small supplemental airports such as Paine Field were eliminated as preferred alternatives.
    TagsPSRC, Puget Sound Regional Council, RASP, Regional Airport System Plan, Sea-Tac Airport, Third RunwayFolderPuget Sound Regional Council
  • 1993-04-29

    EXH AR037723: Puget Sound Regional Council Resolution A-93-03 Amending the 1988 Interim Regional Airport System Plan (RASP)

    Resolution A-93-03 adopted by the Puget Sound Regional Council General Assembly on April 29, 1993, amending the 1988 Interim Regional Airport System Plan (RASP) for long-term commercial air transportation capacity needs of the central Puget Sound region (King, Kitsap, Pierce, Snohomish counties). Establishes as preferred alternative a major supplemental airport in the four-county area plus
    TagsACC, Four Post Plan, Paine Field, Pollution Control Hearings Board, Puget Sound Regional Council, RASP, Third RunwayFolderBox 15

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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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