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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.

TagSAMP(654)

Articles tagged with the Sustainable Airport Master Plan.

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  • Highline forum agenda final 23sept2026 pdf
    2026-09-23

    Highline Forum Agenda – September 23, 2026

    Highline Forum Agenda Theme: Part 150 Update and PortJobs Overview 2:30pm – Convene Meeting/Introductions Port Co-Chair, Commissioner Mohamed 2:35pm – Public Comments Audience The meeting will be held in person and virtually. Those wishing to provide public comment may: 1) Deliver public comment via email; 2) Deliver public comment via Microsoft Teams; or 3) Deliver
    CategoriesEvents TagsHighline Forum, Part 150, Port Of Seattle, SAMP, StART
  • 2026-09-23

    Highline Forum Agenda – September 23, 2026

    Highline Forum meeting agenda for September 23, 2026, hosted by the City of Des Moines at the Police Training Room (hybrid via MS Teams), co-chaired by Port of Seattle Commissioner Hamdi Mohamed. Agenda includes: SAMP NTP SEPA DEIS Update by Steve Rybolt (AV Environment/Port of Seattle); Part 150 Noise Study Update by Tom Fagerstrom (AV
    TagsHighline Forum, Part 150, Port Of Seattle, SAMP, StARTFolderHighline Forum 2026
  • Highline forum agenda final 23sept2026 pdf
    2026-09-23

    Highline Forum Agenda – September 23, 2026

    Highline Forum meeting agenda for September 23, 2026, hosted by the City of Des Moines at the Police Training Room (hybrid via MS Teams), co-chaired by Port of Seattle Commissioner Hamdi Mohamed. Agenda includes: SAMP NTP SEPA DEIS Update by Steve Rybolt (AV Environment/Port of Seattle); Part 150 Noise Study Update by Tom Fagerstrom (AV
    TagsHighline Forum, Part 150, Port Of Seattle, SAMP, StARTFolderHighline Forum 2026
  • Burien airport committee 15 sep 2026 agenda pdf pdf
    2026-09-15

    Burien Airport Committee Meeting September 15, 2026

    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
    CategoriesEvents TagsBurien Airport Committee, Part 150, SAMP, SCA, StART
  • 2026-09-15

    Burien Airport Committee Meeting Agenda — September 15, 2026

    Agenda and draft minutes for the Burien Airport Committee (BAC) meeting held September 15, 2026, at Burien City Hall (400 SW 152nd St, 3rd Floor) and via Zoom. Members include Chair Councilmember Sarah Moore, Vice Chair Brian Davis, Alejandra Cordoba Perez, Jeff Harbaugh, Emily Inlow-Hood, Louis Troisi, Karen Veloria, and Ex-Officio Member Interim City Manager
    TagsBurien Airport Committee, Part 150, SAMP, SCA, StARTFolder2026
  • Burien airport committee 15 sep 2026 agenda pdf pdf
    2026-09-15

    Burien Airport Committee Meeting Agenda — September 15, 2026

    Agenda and draft minutes for the Burien Airport Committee (BAC) meeting held September 15, 2026, at Burien City Hall (400 SW 152nd St, 3rd Floor) and via Zoom. Members include Chair Councilmember Sarah Moore, Vice Chair Brian Davis, Alejandra Cordoba Perez, Jeff Harbaugh, Emily Inlow-Hood, Louis Troisi, Karen Veloria, and Ex-Officio Member Interim City Manager
    TagsBurien Airport Committee, Part 150, SAMP, SCA, StARTFolder2026
  • 2026-08-30

    First Amendment to the Interlocal Agreement Between the Cities of Burien, Des Moines, Normandy Park and Sea-Tac for Environmental Review of the Sea-Tac Airport Sustainable Airport Master Plan

    This document is a First Amendment to an Interlocal Agreement between the cities of Burien, Des Moines, Normandy Park, and SeaTac for the environmental review of the Sea-Tac Airport Sustainable Airport Master Plan (SAMP), originally dated March 6, 2018. The amendment updates Paragraph 7 to clarify that contract management responsibilities — including consultant oversight, invoice coordination, and meeting arrangements — shall be administered by the City of Des Moines. All other terms of the original agreement remain unchanged, and the amendment was signed by authorized representatives of all four cities in 2020.
    TagsCity of Burien, City Of Des Moines, City of Normandy Park, Interlocal Agreement, SAMPFolderPDR26-042 Burien
  • SAMP review ILA 1st amendment pdf
    2026-08-30

    First Amendment to the Interlocal Agreement Between the Cities of Burien, Des Moines, Normandy Park and Sea-Tac for Environmental Review of the Sea-Tac Airport Sustainable Airport Master Plan

    This document is a First Amendment to an Interlocal Agreement between the cities of Burien, Des Moines, Normandy Park, and SeaTac for the environmental review of the Sea-Tac Airport Sustainable Airport Master Plan (SAMP), originally dated March 6, 2018. The amendment updates Paragraph 7 to clarify that contract management responsibilities — including consultant oversight, invoice coordination, and meeting arrangements — shall be administered by the City of Des Moines. All other terms of the original agreement remain unchanged, and the amendment was signed by authorized representatives of all four cities in 2020.
    TagsCity of Burien, City Of Des Moines, City of Normandy Park, Interlocal Agreement, SAMPFolderPDR26-042 Burien
  • 2026-08-30

    Appendix C Aircraft Noise

    This document explains the fundamentals of aircraft noise at Seattle-Tacoma International Airport, covering how sound is measured in decibels and A-weighted decibels (dBA) to reflect human hearing sensitivity. It describes how outdoor sound levels decrease with distance due to wave spreading and atmospheric absorption, with noise typically dropping 6 dB each time the distance from the source doubles. A comparative chart of common indoor and outdoor noise levels is included to help put aircraft noise levels in everyday context.
    TagsESA, Noise, SAMP, Sea-Tac AirportFolderNEM
  • Appendix c aircraft noise ada final pdf
    2026-08-30

    Appendix C Aircraft Noise

    This document explains the fundamentals of aircraft noise at Seattle-Tacoma International Airport, covering how sound is measured in decibels and A-weighted decibels (dBA) to reflect human hearing sensitivity. It describes how outdoor sound levels decrease with distance due to wave spreading and atmospheric absorption, with noise typically dropping 6 dB each time the distance from the source doubles. A comparative chart of common indoor and outdoor noise levels is included to help put aircraft noise levels in everyday context.
    TagsESA, Noise, SAMP, Sea-Tac AirportFolderNEM

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Upcoming Events

  • Port of Seattle Regular Commission Meeting September 22, 2026
    Add to CalendarMTuesday Sep 22: 12:00pm
    17801 International Blvd, Seattle, WA 98158
    2026 09 22 rm packet pdf

    Order of Business 10:30 a.m. 1. Call to Order 2. Executive Session – if necessary, pursuant to RCW 42.30.110 (executive sessions are not open to the public) 12:00 p.m. – Public Session Reconvene or Call to Order and Pledge of Allegiance 3. Approval of the Agenda 4. Special Orders of the Day 4a. Presentation of

    [...]
  • Highline Forum Agenda – September 23, 2026
    Add to CalendarMWednesday Sep 23, 2:30pm - 4:30pm
    City of Des Moines, Police Services Building,
    Highline forum agenda final 23sept2026 pdf

    Highline Forum Agenda Theme: Part 150 Update and PortJobs Overview 2:30pm – Convene Meeting/Introductions Port Co-Chair, Commissioner Mohamed 2:35pm – Public Comments Audience The meeting will be held in person and virtually. Those wishing to provide public comment may: 1) Deliver public comment via email; 2) Deliver public comment via Microsoft Teams; or 3) Deliver

    [...]

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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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