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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.

TagPart 150(262)

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  • 2003-02-06

    LBY-2002: Documents catalogued as published in 2002

    This is a library catalog (LBY-2002) listing 16 documents published in 2002 and held in an archive related to Sea-Tac Airport and regional aviation policy. The collection covers topics including airport noise studies, FAA forecasts, wetland mitigation, water quality permits, and legal proceedings involving Section 401 and 404 environmental certifications for the airport. Each entry provides the document title, author or agency, publication date, and the date it was added to the archive.
    TagsFAA, NPDES, Part 150, Pollution Control Hearings Board, RCAA, Sea-Tac AirportFolderRCAA
  • 2002-10-15

    King County Motion 11600 – FAA Part 150 Noise and Land Use Compatibility Study

    A King County motion to adopt the King County International Airport’s Federal Aviation Regulation Part 150 Noise and Land Use Compatibility Study and to accept federal grants for implementing recommended programs. The motion outlines the airport’s economic importance and various noise mitigation strategies including sound insulation programs, flight restrictions, and a Ground Run-up enclosure.
    TagsKCIA, King County Council, Part 150FolderKCIA (Boeing Field)
  • 2002-07-01

    Seattle-Tacoma International Airport FAR Part 150 Study Update: Technical Appendix One (Final Report, July 2002)

    This document is the Technical Appendix One of the Seattle-Tacoma International Airport FAR Part 150 Study Update Final Report, completed in July 2002. It compiles community and technical advisory committee records, public hearing transcripts, noise abatement recommendations, and land use findings gathered during the airport's noise compatibility study. The report was produced by the Barnard Dunkelberg & Company Team on behalf of the Port of Seattle's Noise Abatement Office.
    Tagscommunity engagement, Part 150, Port Of Seattle, Sea-Tac AirportFolder2002
  • 2002-07-01

    Seattle-Tacoma International Airport FAR Part 150 Study Update: Technical Appendix Two, Final Report, July 2002

    This document is the Final Report (July 2002) of the FAR Part 150 Study Update for Seattle-Tacoma International Airport, a federally guided process to assess and manage aircraft noise impacts on surrounding communities. Technical Appendix Two (Appendices 7–26) compiles key study materials including community advisory committee reports, land use recommendations, flight track analyses, public hearing transcripts, noise data, and Port of Seattle resolutions. The report represents the culmination of extensive community involvement and technical review aimed at updating the airport's noise abatement and sound attenuation programs.
    TagsFlight Tracks, Part 150, Port Of Seattle, Sea-Tac AirportFolder2002
  • 2002-06-03

    Record of approval: Federal Aviation Regulation Part 150 noise compatibility program, Seattle-Tacoma International Airport, Seattle, Washington

    This document is the FAR Part 150 Noise Compatibility Program Study Update for Seattle-Tacoma International Airport (Sea-Tac), approved by the FAA in June 2002. It outlines a series of measures aimed at reducing aircraft noise, including establishing a public oversight committee, exploring noise barriers and ground run-up enclosures, and encouraging the voluntary phase-out of older, louder Stage 2 jet aircraft. The FAA approved some measures outright, while others—such as revised maintenance run-up regulations and the voluntary aircraft phase-out—were disapproved pending submission of additional supporting information.
    TagsFAA, Noise Mitigation, Part 150, Sea-Tac AirportFolder2002
  • 2002-06-03

    Part 150: Records of Approval — Seattle-Tacoma International Airport, Washington

    This document outlines the FAA's approval decisions on the Noise Compatibility Plan (NCP) for Seattle-Tacoma International Airport (Sea-Tac), as reviewed in June 2002. It covers a range of proposed measures to reduce aircraft noise, including public oversight committees, noise barriers, runway use preferences, and a Fly Quiet Program, with some measures approved, others partially approved, and several disapproved pending additional information. The plan aims to balance noise reduction for surrounding communities with the safe and efficient operation of the airport.
    TagsFAA, Fly Quiet, Part 150, Sea-Tac AirportFolder1985
  • 2002-05-16

    SCAA draft comments to the King County International Airport proposed Part 150 noise study

    In May 2002, the Seattle Council on Airport Affairs (SCAA) urged King County Executive Ron Sims to advance the King County International Airport (Boeing Field) Part 150 Noise Study to the FAA for review, approval, and federal funding. The letter highlights years of unresolved noise complaints from nearby residents and outlines a draft review covering fiscal impacts, detailed comments, and prior noise reduction plans. The SCAA emphasized that implementing the study's recommendations would likely carry no negative fiscal implications for the county, but that progress depended on the county promptly forwarding its proposals to the FAA.
    TagsFAA, KCIA, King County, Part 150, RCAAFolderRCAA
  • 2002-02-12

    Resolution No. 3482: Authorizing Port staff to implement Section 3: Land Use Alternatives: (3) Mobile Homes prior to final FAA approval of the FAR Part 150 Study Update

    Resolution No. 3482, adopted by the Port of Seattle Commission on February 12, 2002, authorized the acquisition of two mobile home parks in Burien — Burien Gardens and Flora Vista — located within the 70 DNL aircraft noise contour near Seattle-Tacoma International Airport. Because noise-insulating mobile homes is not cost-effective, the resolution directed Port staff to develop a plan for purchasing both properties and relocating their approximately 102 tenants in accordance with federal guidelines. The resolution amended an earlier measure (Resolution No. 3443) and allowed the Port to proceed before receiving final FAA approval of the FAR Part 150 Study Update.
    TagsPart 150, Port Of SeattleFolderPart 150
  • 2002-01-01

    FAR Part 150 Study Table: Airport Noise Restrictions and FAR Part 161 Compliance Requirements

    A table from the Sea-Tac International Airport FAR Part 150 Study listing airport actions (such as limiting aircraft by noise level, time of day, type, and runway use) and indicating whether each action definitively requires FAR Part 161 compliance or may potentially trigger it. Actions including limiting training activities, restricting runway use, and lease provisions indirectly affecting noise are marked with '?' under 'Requires Part 161' but 'Yes' under 'May Trigger Part 161.'
    TagsNoise, Part 150, Part 161, Richard Kennedy, Sea-Tac AirportFolder2002
  • 2000-11-14

    Resolution No. 3443: Concluding the 2000 FAR Part 150 Study for Seattle-Tacoma International Airport

    Resolution No. 3443 is a Port of Seattle Commission decision that updates the Seattle-Tacoma International Airport's Noise Compatibility Program following a multi-year public review process. It adopts a range of measures to reduce aircraft noise impacts on surrounding communities, including restrictions on nighttime engine maintenance run-ups, exploration of a Ground Run-up Enclosure, noise barriers, and preferential nighttime runway use. The resolution also directs Port staff to submit these changes to the FAA for approval and to begin implementation once approved.
    TagsPart 150, Port Of SeattleFolderPart 150

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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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