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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.

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  • Biggest difference between 2 Seattle Port Commission candidates may be who’s backing them

    By Katherine Khashimova Long Seattle Times business reporter The four candidates vying for two open seats on Seattle’s Port Commission have a lot in common. All describe themselves as ardent conservationists, anxious to reduce the Port’s carbon footprint, especially around cruising. They hope to tackle long lines and traffic at the airport. They want to
    CategoriesFrom The Web TagsGrant Degginger, Port Of Seattle, Sam Cho, Seattle Times
  • 2019-10-18

    Port Of Seattle Response Letter to Mayor Jimmy Matta, City of Burien, Regarding Sea-Tac Airport Noise and Impacts

    In this October 2019 letter, Port of Seattle Executive Director Stephen Metruck responds to Burien Mayor Jimmy Matta's questions about noise and other impacts from Seattle-Tacoma International Airport (Sea-Tac). Metruck emphasizes the Port's commitment to working with surrounding communities on economic opportunity, environmental sustainability, and quality of life, while noting that detailed responses addressing and correcting certain misperceptions about airport activities are attached. He highlights ongoing collaborative forums such as the StART and Highline Forum as key venues for identifying solutions to community concerns.
    TagsCity of Burien, Jimmy Matta, Port Of Seattle, StART, Stephen MetruckFolderPDR26-042 Burien
  • 2019-10-18

    Detailed responses to City of Burien questions

    The Port of Seattle responded in October 2019 to detailed questions from the City of Burien about aircraft noise management at Sea-Tac Airport, addressing concerns about noise studies, abatement procedures, sound insulation programs, and community engagement. The Port defended its 2014 Part 150 noise study as covering all three runways and argued that improved aircraft technology has actually reduced the noise-impacted area since the previous study. It also outlined ongoing mitigation efforts, including a Late-Night Noise Limitation Program, over $300 million spent on sound insulation for thousands of homes, and the upcoming Sustainable Airport Master Plan environmental review, which will reassess noise impacts across all runways.
    TagsNoise Abatement Procedures, Part 150, Port Of Seattle, SAMP, StARTFolderSP #1
  • 1port response ltr 101819 pdf
    2019-10-18

    Port Of Seattle Response Letter to Mayor Jimmy Matta, City of Burien, Regarding Sea-Tac Airport Noise and Impacts

    In this October 2019 letter, Port of Seattle Executive Director Stephen Metruck responds to Burien Mayor Jimmy Matta's questions about noise and other impacts from Seattle-Tacoma International Airport (Sea-Tac). Metruck emphasizes the Port's commitment to working with surrounding communities on economic opportunity, environmental sustainability, and quality of life, while noting that detailed responses addressing and correcting certain misperceptions about airport activities are attached. He highlights ongoing collaborative forums such as the StART and Highline Forum as key venues for identifying solutions to community concerns.
    TagsCity of Burien, Jimmy Matta, Port Of Seattle, StART, Stephen MetruckFolderPDR26-042 Burien
  • 2019-10-18

    Detailed Responses to City of Burien Questions

    The Port of Seattle responds to questions from the City of Burien about aircraft noise studies, noise abatement procedures, and community mitigation programs at Seattle-Tacoma International Airport. The Port clarifies that its 2014 Part 150 noise study covered all three runways and actually showed a smaller noise-impacted area due to quieter aircraft technology, and that the upcoming Sustainable Airport Master Plan environmental review will further assess noise impacts. The document also addresses concerns about the pace of sound insulation programs, the transparency of the StART community advisory process, and the legal and regulatory constraints that limit the Port's ability to mandate certain noise reduction measures.
    TagsCity of Burien, Noise Abatement Procedures, Part 150, Port Of Seattle, StARTFolderPDR26-042 Burien
  • 1port response enclosure 101819 pdf
    2019-10-18

    Detailed Responses to City of Burien Questions

    The Port of Seattle responds to questions from the City of Burien about aircraft noise studies, noise abatement procedures, and community mitigation programs at Seattle-Tacoma International Airport. The Port clarifies that its 2014 Part 150 noise study covered all three runways and actually showed a smaller noise-impacted area due to quieter aircraft technology, and that the upcoming Sustainable Airport Master Plan environmental review will further assess noise impacts. The document also addresses concerns about the pace of sound insulation programs, the transparency of the StART community advisory process, and the legal and regulatory constraints that limit the Port's ability to mandate certain noise reduction measures.
    TagsCity of Burien, Noise Abatement Procedures, Part 150, Port Of Seattle, StARTFolderPDR26-042 Burien
  • 2019-10-17

    Washington State Department of Revenue Leasehold Tax Return: Port Of Seattle, Q3 2019

    The Port of Seattle filed a quarterly Leasehold Tax Return with the Washington State Department of Revenue for the period ending September 30, 2019, reporting a total tax due of $4,497,137.10. The largest portion of taxable rent—$21,852,656.75—was attributed to SeaTac leases (Location Code 1733), generating $2,805,881.13 in tax at a rate of 12.84%. Payment was made via ACH debit from a Wells Fargo account on October 31, 2019.
    TagsBurien, Department of Revenue, Port Of Seattle, Sea-Tac AirportFolderTaxes
  • 2019-10-14

    Seattle-Tacoma International Airport Flight Corridor Safety Program Implementation Plan

    This October 2019 draft Implementation Plan, prepared by Anchor QEA for the Port of Seattle, outlines a program to identify and remove trees and other obstructions from the flight corridors around Seattle-Tacoma International Airport. The plan covers properties owned by the Port, public agencies (including WSDOT and the cities of SeaTac and Des Moines), and private landowners in Burien and SeaTac, detailing removal schedules, revegetation strategies, and best management practices. Its primary goal is to improve aviation safety by ensuring that vegetation and structures do not encroach on protected airspace around the airport.
    TagsAnchor QEA, FCSP, Flight Corridor Safety Program, Port Of Seattle, TreesFolderFlight Corridor Safety Program
  • 2019-09-30

    Combined Excise Tax Return: Seattle Tacoma Intl Airport, Port Of Seattle — September 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 September 30, 2019. It details Business & Occupation taxes, state and local sales and use taxes, and public utility taxes across multiple classifications, resulting in a total tax liability of $1,439,820.52. The return was prepared by Bonnie McArthur and submitted on October 14, 2019, with payment scheduled via ACH debit on October 25, 2019.
    TagsDepartment of Revenue, Port Of Seattle, Sea-Tac Airport, State of WashingtonFolderTaxes
  • A Letter To Commissioner Stephanie Bowman Re. Noise Program Audits

    Ms. Bowman is currently President of the Port Of Seattle Commission. This letter is in reply to a request she made concerning my Public Comment at the 24 September General Meeting. (See video starting @ 33:30). Well this is a pleasant surprise. :DI am actually working up a (short) summary on the practicalities which I’ll
    CategoriesCorrespondence TagsNoise Mitigation, Port Of Seattle, Port Packages, Stephanie Bowman

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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

    [...]

[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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