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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.

TagHighline Forum(225)

https://www.portseattle.org/page/highline-forum

The Highline Forum provides Southwest King County municipalities, educational governing bodies, and the Port of Seattle with the opportunity to share information, interact with outside speakers and other governmental organizations, and work in partnership on initiatives that benefit the residents of Southwest King County.

One elected representative and one senior administrator from the following jurisdictions or institutions make up the membership of the Highline Forum:

  • City of Burien — Councilmember Alex Andrade and City Manager Adolfo Bailon
  • City of Des Moines — Mayor Yoshiko Grace Matsui and City Manager Katherine Caffrey
  • City of Federal Way — Mayor Jim Ferrell and Councilmember Lydia Assefa-Dawson
  • City of Normandy Park — Councilmember Jack Lamanna and City Manager Amy Arrington
  • City of SeaTac — Councilmember Joe Vinson and City Manager Jonathan Young
  • City of Tukwila — Councilmember Armen Papyan and Policy Analyst Laurel Humphrey
  • Highline College — Vice President for Institutional Advancement Josh Gerstman and External Relations Shakira Ericksen
  • Highline School District — School Board Member Angelica Alvarez and Superintendent Dr. Ivan Duran
  • Port of Seattle — Commissioner Hamdi Mohamed and Aviation Managing Director Wendy Reiter

An elected representative from the Port of Seattle (Commissioner Hamdi Mohamed) and a jurisdiction or institution co-chair (shared by Tukwila Council President Armen Papyan and SeaTac Councilmember Joe Vinson) moderate the meetings.

Learn more about the Highline Forum and what’s ahead this year.

Sign up to receive Highline Forum updates by email, including meeting agendas and summ

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  • 2024-05-22

    Sound Insulation Repair and Replacement Pilot Program Update

    Seattle-Tacoma International Airport launched a Sound Insulation Repair and Replacement Pilot Program following Commission Order 2024-04, approved on February 27, 2024, with a total budget of $6.5 million — including $5 million reserved for design and construction. The program, funded by tax levy, aims to assess and repair aging sound insulation in nearby homes, incorporating equity guidelines for participation. The 2024 assessment timeline includes resident surveys, acoustic testing, and a final report, with design and construction work planned for 2025.
    TagsHighline Forum, Port Of Seattle, SIRRPP, Sound Insulation, Tax LevyFolderHighline Forum 2024
  • 2024-05-22

    SAMP NTP Environmental Review Overview — Aircraft Operations Forecast Chart (Page 4), May 2024

    A line graph comparing historical aircraft operations data (2011–2022) with forecast scenarios through 2037, including an unconstrained 2022 forecast, a No Action constrained scenario, and a Proposed Action constrained scenario. The chart shows operations declining sharply in 2020 (likely due to COVID-19) and recovering, with the Proposed Action scenario reaching approximately 520,000 operations and the No Action scenario capping near 485,000 operations by 2037.
    TagsEnvironmental Review, Forecast, Highline Forum, SAMP, Sea-Tac AirportFolderHighline Forum 2024
  • 2024-05-22

    SEA Stakeholder Advisory Round Table 2023 Annual Report

    The SEA Stakeholder Advisory Round Table (StART) 2023 Annual Report, presented by Port of Seattle staff Marco Milanese and Nate Caminos, summarizes the group's work addressing aviation noise and federal policy issues around Seattle-Tacoma International Airport. The report highlights efforts from two key working groups: the Aviation Noise Working Group and the Federal Policy Working Group, which engage community stakeholders in shaping airport noise mitigation strategies. The presentation also includes a Q&A section to allow stakeholder input and discussion.
    TagsAviation Committees, Highline Forum, Port Of Seattle, StARTFolderHighline Forum 2024
  • 2024-05-22

    SAMP Near-Term Projects Environmental Review Overview — Highline Forum, May 22, 2024 (Page 1)

    Title slide for a Port of Seattle presentation on the Sustainable Airport Master Plan Near-Term Projects Environmental Review, delivered by Steve Rybolt, Senior Environmental Program Manager, at the Highline Forum on May 22, 2024.
    TagsEnvironmental Review, Highline Forum, SAMP, Sea-Tac Airport, Sustainable Airport Master PlanFolderHighline Forum 2024
  • 2024-05-22

    City of Tukwila Update: Highline Forum, May 22, 2024

    The City of Tukwila presented a municipal update at the Highline Forum on May 22, 2024, introducing newly elected Mayor Thomas McLeod, who took office in November 2023 after serving on the City Council from 2016 to 2023 and the Planning Commission from 2010 to 2016. The presentation also featured the current Tukwila City Council members. Note: this document does not contain specific Sea-Tac Airport noise policy content.
    Tagscity council, Highline Forum, local government, TukwilaFolderHighline Forum 2024
  • 2024-05-22

    SAMP Environmental Review — Near-Term Capital Projects Aerial Map (Page 3)

    This aerial map, from the Seattle-Tacoma International Airport Sustainable Airport Master Plan (SAMP) Environmental Review prepared by the Port of Seattle and LPA Group, depicts near-term capital projects across the airport campus. Projects are color-coded by category including Second Terminal Projects (blue), Cargo Expansion Projects (tan/gold), Airfield Operational Projects (yellow), Airfield Safety/Standards Projects (red), and Sustainable Aviation Fuel Projects (green), with individual project codes labeled (e.g., A01–A09, S01–S10, C01–C03, L01–L07, T01–T02).
    TagsEnvironmental Review, Highline Forum, SAMP, Sea-Tac Airport, Sustainable Airport Master PlanFolderHighline Forum 2024
  • 2024-05-22

    Part 150 Noise and Land Use Compatibility Study Update: Highline Forum Presentation

    The Port of Seattle presented an update on the Part 150 Noise and Land Use Compatibility Study to the Highline Forum in May 2024. This federally required study, governed by FAA guidelines, maps aircraft noise contours around Seattle-Tacoma International Airport and identifies areas where noise levels exceed 65 decibels, helping determine which properties qualify for sound insulation and other mitigation measures. Airports that complete an FAA-approved Part 150 Study become eligible to receive federal Airport Improvement Program grants covering 80% of qualifying noise reduction projects.
    TagsDNL65, Highline Forum, Part 150, Port Of SeattleFolderHighline Forum 2024
  • 2024-05-22

    Highline Forum SAMP NTP Environmental Review Overview — SEPA Elements of the Environment, Slide 6 (May 2024)

    A presentation slide titled 'SEPA Elements of the Environment' listing the environmental review categories required under Washington State's State Environmental Policy Act (SEPA), including Earth, Air, Water, Plants and Animals, Energy, Environmental Health, Land and Shoreline Use, Transportation, Public Services and Utilities, and Sewer/Solid Waste. A footer note states: 'Port is the lead agency for the SEPA and the document will cover an extensive set of environmental elements,' indicating this is part of a Port (likely Port of Seattle/Sea-Tac) environmental review presentation, slide 6.
    TagsEnvironmental Review, Highline Forum, Port Of Seattle, SAMP, SEPAFolderHighline Forum 2024
  • 2024-05-22

    Highline Forum SAMP NTP Environmental Review Overview — Project Schedule Slide (Page 7, May 2024)

    A project schedule slide showing key milestones for NEPA Environmental Assessment (EA) and SEPA Environmental Impact Statement (EIS) processes, spanning August 2023 through 2026. Milestones include Impact Analysis Draft Sections (June 2024), NEPA EA Draft Document Agency and Public Comment Period (Q4 2024), NEPA EA Final Document and Decision (Early Q2 2025), SEPA EIS Draft Document Agency and Public Comment Period (Late Q2 2025), SEPA EIS Agency and Public Review Complete (Mid Q3 2025), SEPA EIS Final Document and Decision (Q4 2025), and Commission consideration/approval of project(s) in 2026.
    TagsEIS, Highline Forum, NEPA, SAMP, SEPAFolderHighline Forum 2024
  • 2024-05-22

    Highline Forum SAMP NTP EnvrReview Overview – 22may2024 Page 3

    Slide 3 from a Port of Seattle presentation on the Seattle-Tacoma International Airport (Sea-Tac) Sustainable Airport Master Plan (SAMP) Environmental Review, showing an aerial map of near-term projects categorized by type: Second Terminal Projects (blue), Cargo Expansion Projects (orange/brown), Airfield Operational Projects (yellow), Airfield Safety/Standards Projects (red), and Sustainable Aviation Fuel Projects (green). The map is branded with the Port of Seattle and ZLB logos.
    TagsEnvironmental Review, Highline Forum, SAMP, Sea-Tac Airport, Sustainable Airport Master PlanFolderHighline Forum 2024

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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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