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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.

TagPort Of Seattle(2349)

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  • 2019-03-27

    Sustainable Airport Master Plan near-term projects environmental review update

    This March 2019 Port of Seattle presentation to the Highline Forum provides an update on the environmental review process for near-term construction projects outlined in Sea-Tac Airport's Sustainable Airport Master Plan. It covers background on the plan, scoping report findings, and next steps for the review. The presentation also highlights projected airport growth, with total passengers expected to rise from 46.9 million in 2017 to 66 million by 2034, alongside increasing air operations affecting surrounding communities.
    TagsEnvironmental Review, Highline Forum, Port Of Seattle, SAMP, Sustainable Airport Master PlanFolderHighline Forum 2017
  • 2019-03-19

    Sea-Tac Airport Capital Development Update

    A presentation by Port of Seattle staff to the Washington State Transportation Commission providing an update on Sea-Tac Airport capital development projects. The presentation covers regional economic growth driving airport demand and includes discussion of the Sustainable Airport Master Plan near-term projects and environmental review processes.
    TagsEnvironmental Review, Port Of Seattle, SAMP, Sea-Tac Airport, Sustainable Airport Master Plan, Washington State Transportation CommissionFolderSAMP
  • 2019-03-01

    Late Night Noise Limitation Program

    The Late-Night Noise Limitation Program is a voluntary Port of Seattle initiative that monitors aircraft noise at Sea-Tac Airport between 12 a.m. and 5 a.m., using four close-in noise monitors to track takeoffs and landings that exceed established thresholds. Airlines that violate these thresholds receive penalty scores under the Port's Fly Quiet Incentive Program, which has evaluated airline noise compliance since 2005. The program, developed in 2019 as an outcome of the Sea-Tac Stakeholder Advisory Round Table (StART), aims to encourage air carriers to schedule flights during less noise-sensitive hours or switch to quieter aircraft.
    CategoriesMeetings TagsFly Quiet, Port Of Seattle, Sea-Tac Airport, StARTFolderSP #1
  • 2019-02-28

    Combined Excise Tax Return: Seattle Tacoma International Airport, Port Of Seattle — February 2019

    This document is a Washington State Combined Excise Tax Return filed by the Port of Seattle for Seattle-Tacoma International Airport, covering the period ending February 28, 2019, with a due date of March 25, 2019. It details Business & Occupation taxes, state and local sales and use taxes, and public utility taxes across various classifications, totaling $995,857.83 in tax before a $46,219.67 Commute Trip Reduction Credit was applied. The final payment of $949,638.16 was submitted via ACH Debit on March 19, 2019, by Port of Seattle staff member Bonnie McArthur.
    TagsDepartment of Revenue, Port Of Seattle, Sea-Tac AirportFolderTaxes
  • 2019-02-27

    StART Sea-Tac Stakeholder Advisory Round Table draft February 27, 2019 recap

    The Sea-Tac Stakeholder Advisory Round Table (StART) met on February 27, 2019 to discuss ongoing airport noise reduction efforts, including updates to the Runway Use Agreement, late-night noise limits, and a recommendation to adjust Runway 34R's glideslope to reduce noise impacts on neighboring communities. The meeting also previewed the newly formed Federal Policy Working Group and introduced a concept for reducing taxiing noise by changing how arriving aircraft move to the terminal. Community members and city representatives from SeaTac, Burien, Des Moines, Normandy Park, Tukwila, and Federal Way participated in small group discussions to help set StART's priorities for 2019.
    CategoriesMeetings TagsGlide Slope, Port Of Seattle, Runway Use Agreement, StARTFolderSP #1
  • 2019-02-27

    StART Meeting Recap: February 27, 2019

    The Sea-Tac Stakeholder Advisory Round Table (StART) met on February 27, 2019 to discuss ongoing efforts to reduce aircraft noise around Seattle-Tacoma International Airport, including a recommended adjustment to Runway 34R's glideslope and a proposed new taxiing approach to minimize engine noise from arriving aircraft. The group also reviewed the status of the Late Night Noise Limitation Program, a draft updated Runway Use Agreement, and efforts to address the A-320 whistling noise issue. Members held small group discussions to identify StART's priorities for 2019, with the next public meeting scheduled for April 24 at the airport's Conference Center.
    CategoriesMeetings TagsPort Of Seattle, Runway Use Agreement, Stan Shepherd, StARTFolderStART
  • 2019-02-12

    Appendix N: SAMP Near-Term Projects DEIS Scoping Report

    This Scoping Report, published February 12, 2019, documents the public and agency scoping process conducted by the Port of Seattle for the Seattle-Tacoma International Airport Sustainable Airport Master Plan (SAMP) Near-Term Projects Environmental Review. It summarizes scoping meetings held with agencies and the public, common themes raised by commenters, and organizes the written comments received during the scoping period. The report serves as the foundation for determining which environmental topics—including noise impacts—will be analyzed in the subsequent environmental review.
    TagsEnvironmental Review, Port Of Seattle, SAMP, Scoping documents, SEPA, Sustainable Airport Master PlanFolderAppendices
  • 2019-02-12

    Seattle-Tacoma International Airport Sustainable Airport Master Plan Near-Term Projects Environmental Review Scoping Report

    This February 2019 Scoping Report summarizes the public and agency input process for the environmental review of Seattle-Tacoma International Airport's Sustainable Airport Master Plan (SAMP) Near-Term Projects, which are planned for construction by 2027. The Port of Seattle and the FAA conducted a 60-day scoping period from July 30 to September 28, 2018, gathering community feedback through public meetings, newspaper ads, direct mail, and social media in five languages. The report documents the scope of environmental issues to be studied, including potential noise and other impacts, under both federal (NEPA) and state (SEPA) environmental review requirements.
    TagsNEPA, Port Of Seattle, SAMP, Sea-Tac Airport, SEPAFolder2018 Scoping
  • 2019-01-31

    Combined Excise Tax Return: Seattle Tacoma International Airport, Port Of Seattle — January 2019

    This is a Washington State Combined Excise Tax Return filed by the Port of Seattle for Seattle-Tacoma International Airport, covering the period ending January 31, 2019, with a due date of February 25, 2019. The return reports Business & Occupation taxes, state and local sales and use taxes, and Public Utility taxes across multiple classifications, resulting in a total tax payment of $1,056,073.14. The filing was submitted on February 21, 2019, by Bonnie McArthur and paid via ACH debit effective February 25, 2019.
    TagsDepartment of Revenue, Port Of Seattle, Sea-Tac AirportFolderTaxes
  • The Briefing Project

    Steve Edmiston’s film
    TagsPort Of Seattle

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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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