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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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  • Desm letter in response to port 091219 pdf
    2019-09-12

    City of Des Moines Letter to Executive Director Metruck in Response to Port Of Seattle

    In a September 12, 2019 letter to Port of Seattle Executive Director Steve Metruck, Des Moines Mayor Matt Pina outlines the city's concerns about Sea-Tac Airport's decision to allocate $10 million for Sustainable Airport Master Plan design work without environmental review or stakeholder notice, which prompted Des Moines to temporarily suspend its participation in the StART Committee. The letter demands specific, verifiable data on six noise-mitigation measures the Port claimed to have accomplished, including late-night flight reductions, runway glide slope adjustments, and third-runway usage limits, arguing these initiatives have been overstated as completed achievements. While expressing willingness to re-engage and noting several positive Port-city partnerships, Des Moines calls for greater transparency and accountability in the airport's community engagement process.
    TagsCity Of Des Moines, SAMP, SEPA, StART, Stephen MetruckFolderPDR26-042 Burien
  • 2019-08-13

    City of Des Moines Letter to Lance Lyttle Suspending StART Participation

    In August 2019, the City of Des Moines formally notified Sea-Tac Airport's Director of Aviation that it was suspending its participation in the Stakeholder Advisory Roundtable (StART) Committee. The decision followed the Port of Seattle's approval of $10 million for Near-Term Airport Master Plan design work at an off-site meeting held without prior notice to affected communities, which Des Moines argued violated state environmental review requirements and broke the trust the StART process was built upon. The letter also highlights ongoing concerns about the disproportionate noise and health impacts experienced by Des Moines residents due to the city's proximity to Sea-Tac Airport.
    TagsCity Of Des Moines, Lance Lyttle, SAMP, SEPA, StARTFolderPDR26-042 Burien
  • Des moines lance lyttle letter START 8.13.2019 pdf
    2019-08-13

    City of Des Moines Letter to Lance Lyttle Suspending StART Participation

    In August 2019, the City of Des Moines formally notified Sea-Tac Airport's Director of Aviation that it was suspending its participation in the Stakeholder Advisory Roundtable (StART) Committee. The decision followed the Port of Seattle's approval of $10 million for Near-Term Airport Master Plan design work at an off-site meeting held without prior notice to affected communities, which Des Moines argued violated state environmental review requirements and broke the trust the StART process was built upon. The letter also highlights ongoing concerns about the disproportionate noise and health impacts experienced by Des Moines residents due to the city's proximity to Sea-Tac Airport.
    TagsCity Of Des Moines, Lance Lyttle, SAMP, SEPA, StARTFolderPDR26-042 Burien
  • 2019-07-31

    City of Burien Invoice #832: Interlocal Agreement #18-A101 SAMP — Invoice #6 June 2019

    The City of Burien billed the City of Normandy Park $294.70 for services rendered in June 2019 under Interlocal Agreement #18-A101, related to the Shore Acres Master Plan (SAMP), a noise and land-use planning initiative. This is the sixth invoice issued under that agreement, dated July 31, 2019, with payment due by September 12, 2019. The invoice was directed to Ryan Harriman at Normandy Park's SEPA Office, reflecting ongoing intergovernmental cooperation on environmental and noise policy in the Sea-Tac Airport area.
    TagsCity of Burien, City of Normandy Park, Interlocal Agreement, SAMP, SEPAFolderPDR26-042 Burien
  • 832 pdf
    2019-07-31

    City of Burien Invoice #832: Interlocal Agreement #18-A101 SAMP — Invoice #6 June 2019

    The City of Burien billed the City of Normandy Park $294.70 for services rendered in June 2019 under Interlocal Agreement #18-A101, related to the Shore Acres Master Plan (SAMP), a noise and land-use planning initiative. This is the sixth invoice issued under that agreement, dated July 31, 2019, with payment due by September 12, 2019. The invoice was directed to Ryan Harriman at Normandy Park's SEPA Office, reflecting ongoing intergovernmental cooperation on environmental and noise policy in the Sea-Tac Airport area.
    TagsCity of Burien, City of Normandy Park, Interlocal Agreement, SAMP, SEPAFolderPDR26-042 Burien
  • 2019-07-24

    City of Burien Invoice #825: Interlocal Agreement #18-A101 SAMP Billing to City of Normandy Park

    The City of Burien invoiced the City of Normandy Park $154.00 on July 24, 2019, under Interlocal Agreement #18-A101 for services related to the Shoreline and Airport Master Plan (SAMP), marked as Invoice #5 for May 2019. The invoice, assigned number 825 and directed to Ryan Harriman at Normandy Park's SEPA Office, carried a due date of August 23, 2019. This document reflects ongoing cost-sharing arrangements between the two cities in connection with regional airport noise and land-use planning efforts near Sea-Tac Airport.
    TagsCity of Burien, City of Normandy Park, Interlocal Agreement, SAMP, SEPAFolderPDR26-042 Burien
  • 825 pdf
    2019-07-24

    City of Burien Invoice #825: Interlocal Agreement #18-A101 SAMP Billing to City of Normandy Park

    The City of Burien invoiced the City of Normandy Park $154.00 on July 24, 2019, under Interlocal Agreement #18-A101 for services related to the Shoreline and Airport Master Plan (SAMP), marked as Invoice #5 for May 2019. The invoice, assigned number 825 and directed to Ryan Harriman at Normandy Park's SEPA Office, carried a due date of August 23, 2019. This document reflects ongoing cost-sharing arrangements between the two cities in connection with regional airport noise and land-use planning efforts near Sea-Tac Airport.
    TagsCity of Burien, City of Normandy Park, Interlocal Agreement, SAMP, SEPAFolderPDR26-042 Burien
  • 2019-05-31

    Invoice 703: City of Burien to City of Normandy Park — Interlocal Agreement #18-A101 SAMP Invoice #4 April 2019

    The City of Burien issued Invoice #703 (dated May 31, 2019) to the City of Normandy Park for $91.00, due by July 5, 2019, under Interlocal Agreement #18-A101 related to the 'SAMP' (Sustainable Airport Master Plan) program. This represents the fourth monthly billing installment for April 2019, reflecting cooperative regional participation in airport-related environmental and land-use planning efforts near Sea-Tac Airport. Payment was to be remitted to the City of Burien Finance Department in Burien, WA.
    TagsCity of Burien, City of Normandy Park, Interlocal Agreement, SAMP, SEPAFolderPDR26-042 Burien
  • 703 pdf
    2019-05-31

    Invoice 703: City of Burien to City of Normandy Park — Interlocal Agreement #18-A101 SAMP Invoice #4 April 2019

    The City of Burien issued Invoice #703 (dated May 31, 2019) to the City of Normandy Park for $91.00, due by July 5, 2019, under Interlocal Agreement #18-A101 related to the 'SAMP' (Sustainable Airport Master Plan) program. This represents the fourth monthly billing installment for April 2019, reflecting cooperative regional participation in airport-related environmental and land-use planning efforts near Sea-Tac Airport. Payment was to be remitted to the City of Burien Finance Department in Burien, WA.
    TagsCity of Burien, City of Normandy Park, Interlocal Agreement, SAMP, SEPAFolderPDR26-042 Burien
  • Arlyn Purcell

    Currently, Arlyn Purcell is the SEPA contact for the Sea-Tac Airport SAMP program. The Port of Seattle Selected Arlyn Purcell, AICP, as New Director, Aviation Environment and Sustainability SEATTLE, WA– Following a nationwide search, thePort of Seattle has selectedArlyn Purcell, AICP to be the new Director, Aviation Environment and Sustainability at the Port of Seattle.
    CategoriesPeople TagsNEPA, Port Of Seattle, SAMP, SEPA

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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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