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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.
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  • 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
  • 2019-02-12

    Seattle-Tacoma International Airport Sustainable Airport Master Plan near-term projects environmental review scoping report

    The Port of Seattle and the Federal Aviation Administration (FAA) conducted a public scoping process in 2018 to gather input on the environmental impacts of near-term construction projects planned at Seattle-Tacoma International Airport (Sea-Tac) as part of the Sustainable Airport Master Plan (SAMP). The 60-day scoping period, which ran from July 30 to September 28, 2018, invited comments from the public and agencies through meetings, mailings, and an online open house advertised in five languages. This report summarizes the scoping process, public feedback received, and outlines next steps for the full environmental review under both federal (NEPA) and state (SEPA) environmental policy laws.
    TagsEnvironmental Review, NEPA, SAMP, Sea-Tac Airport, SEPA, Sustainable Airport Master PlanFolderAppendices
  • 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
  • 2019-01-28

    Resolution No. 405: A resolution of the City of Burien, Washington, amending Resolution No. 384 establishing a committee to address issues related to Seattle Tacoma International Airport

    The City of Burien, Washington adopted Resolution No. 405 on January 28, 2019, amending an earlier resolution to update the structure of the Burien Airport Committee, an advisory body focused on issues related to Seattle-Tacoma International Airport. Key changes included consolidating community membership into up to six resident and business representatives appointed by the City Council, adding the City Manager as an Ex-Officio member, and expanding the committee's purposes to include coordinating information sharing among city representatives on airport-related bodies and staying informed on regional airport studies. The committee advises the City Council on matters such as noise and traffic impacts, land use, mitigation measures, and ways to protect residents and businesses from negative airport effects.
    TagsAdvisory Committees, Burien Airport Committee, City of Burien, Jimmy Matta, Sea-Tac AirportFolderBurien Airport Committee
  • 2019-01-25

    City of Burien Billing Backup for City Shares of Lockridge Grindal Nauen Invoices for Sea-Tac Airport SAMP Review

    The City of Burien, Washington entered into an Interlocal Agreement with Des Moines, Normandy Park, and SeaTac to jointly review the Sea-Tac Airport Sustainable Airport Master Plan (SAMP), hiring law firm Lockridge Grindal Nauen PLLP for environmental review consulting at a total contract value of $175,000. Each city's share of costs was calculated at approximately $1.50 per capita, with Burien responsible for the largest share at 42.97%. As of the second invoice dated January 25, 2019, covering services through December 31, 2018, a total of $64,916.83 had been billed, with $110,083.17 remaining on the contract.
    TagsCity of Burien, Interlocal Agreement, Lockridge Grindal Nauen, SAMP, Sea-Tac AirportFolderPDR26-042 Burien
  • Scannedimage 13.tiff pdf
    2019-01-25

    City of Burien Billing Backup for City Shares of Lockridge Grindal Nauen Invoices for Sea-Tac Airport SAMP Review

    The City of Burien, Washington entered into an Interlocal Agreement with Des Moines, Normandy Park, and SeaTac to jointly review the Sea-Tac Airport Sustainable Airport Master Plan (SAMP), hiring law firm Lockridge Grindal Nauen PLLP for environmental review consulting at a total contract value of $175,000. Each city's share of costs was calculated at approximately $1.50 per capita, with Burien responsible for the largest share at 42.97%. As of the second invoice dated January 25, 2019, covering services through December 31, 2018, a total of $64,916.83 had been billed, with $110,083.17 remaining on the contract.
    TagsCity of Burien, Interlocal Agreement, Lockridge Grindal Nauen, SAMP, Sea-Tac AirportFolderPDR26-042 Burien
  • 2019-01-25

    Billing Backup for City Shares of Lockridge Grindal Nauen Invoices for Sea-Tac Airport SAMP Review

    In 2018, the cities of Burien, Des Moines, Normandy Park, and SeaTac entered an Interlocal Agreement to jointly hire the law firm Lockridge Grindal Nauen PLLP for $175,000 to review the Sea-Tac Airport Sustainable Airport Master Plan (SAMP), with each city's share based on a per-capita funding rate of approximately $1.50. Two invoices totaling roughly $64,917 had been billed by January 2019, covering legal research into airport noise programs, Part 150 noise studies, and community engagement strategies. The remaining contract balance of approximately $110,083 was still outstanding as of that date.
    TagsCity of Burien, Interlocal Agreement, Lockridge Grindal Nauen, SAMP, Sea-Tac AirportFolderPDR26-042 Burien
  • Scannedimage 12.tiff pdf
    2019-01-25

    Billing Backup for City Shares of Lockridge Grindal Nauen Invoices for Sea-Tac Airport SAMP Review

    In 2018, the cities of Burien, Des Moines, Normandy Park, and SeaTac entered an Interlocal Agreement to jointly hire the law firm Lockridge Grindal Nauen PLLP for $175,000 to review the Sea-Tac Airport Sustainable Airport Master Plan (SAMP), with each city's share based on a per-capita funding rate of approximately $1.50. Two invoices totaling roughly $64,917 had been billed by January 2019, covering legal research into airport noise programs, Part 150 noise studies, and community engagement strategies. The remaining contract balance of approximately $110,083 was still outstanding as of that date.
    TagsCity of Burien, Interlocal Agreement, Lockridge Grindal Nauen, SAMP, Sea-Tac AirportFolderPDR26-042 Burien
  • 2019-01-24

    Regional Aviation Baseline Study: PSRC Executive Board Presentation

    A January 2019 report to the Puget Sound Regional Council examines aviation demand in the Central Puget Sound region, where the population grew from 3.7 million to 4.1 million people and jobs increased from 1.9 million to 2.3 million between 2010 and 2018. Over roughly the same period, passenger traffic at Seattle-Tacoma International Airport rose 43% to 46.9 million passengers, while aircraft operations increased 32% to 416,000 annually. The study establishes a baseline for understanding how this rapid regional growth is driving increased aviation activity, with implications for noise and capacity planning.
    TagsPSRC, Puget Sound Regional Council, Regional Aviation Baseline Study, Sea-Tac AirportFolderRegional Aviation Baseline Study
  • 2019-01-23

    Mobile ObserVations of Ultrafine Particles (MOV-UP) advisory

    The MOV-UP (Mobile ObserVations of Ultrafine Particles) study, presented at the Highline Forum in January 2019, was commissioned under a Washington State proviso to investigate air quality impacts from Sea-Tac Airport traffic. Researchers from the University of Washington measured ultrafine particle (UFP) concentrations in communities surrounding the airport, aiming to distinguish aircraft-related pollution from other sources. A final study report was due to local governments and the community by December 1, 2019.
    TagsHighline Forum, MOV-UP, Sea-Tac Airport, UFP, Ultrafine ParticulatesFolderHighline Forum 2017

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Upcoming Events

  • 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

    [...]

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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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