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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.

TagCapacity(18)

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  • Cawg agenda jul 08 26 pdf
    2026-07-08

    Commercial Aviation Work Group

    Commercial Aviation Work Group Meeting 10:00 a.m. – 10:10 a.m. | Welcome a. Introductions and Agenda Review b. Governance update; status of appointments and non-voting member invitations c. Other updates as necessary Presenter: Evan Nordby, Chair 10:10 a.m. – 10:20 a.m. | Review Work Group Role and Re-Cap April Meeting Presenter: Consultant Team 10:20 a.m.
    CategoriesEvents TagsCapacity, Commercial Aviation Work Group, PSRC, Puget Sound Regional Council, WSDOT
  • 2026-07-08

    Commercial Aviation Work Group meeting agenda – July 8, 2026

    Meeting agenda for the Commercial Aviation Work Group (CAWG) hybrid meeting held at Centralia College’s TransAlta Commons. The agenda covers discussions on the capacity gap including PSRC and state reports, YVR and PDX impacts, and planned capacity enhancements. Additional topics include annual report considerations, next work plan, and a post-meeting tour of CLS airport for
    TagsCapacity, Commercial Aviation Work Group, PSRC, Puget Sound Regional Council, WSDOT
  • Cawg agenda jul 08 26 pdf
    2026-07-08

    Commercial Aviation Work Group meeting agenda – July 8, 2026

    Meeting agenda for the Commercial Aviation Work Group (CAWG) hybrid meeting held at Centralia College’s TransAlta Commons. The agenda covers discussions on the capacity gap including PSRC and state reports, YVR and PDX impacts, and planned capacity enhancements. Additional topics include annual report considerations, next work plan, and a post-meeting tour of CLS airport for
    TagsCapacity, Commercial Aviation Work Group, PSRC, Puget Sound Regional Council, WSDOT
  • 2025-10-23

    ChatGPT: advice about Second Airport and Sea-Tac Capacity Issues

    ChatGPT: advice about Second Airport and Sea-Tac Capacity Issues A detailed conversation with ChatGPT on explaining to residents why a second airport won’t reduce operations at Sea-Tac Airport due to capacity and demand forecasting. Discusses communication strategies for conveying complex aviation planning concepts to community members who expect a new airport to provide relief from
    CategoriesChange The Culture TagsCapacity, community engagement, Second Airport
  • 2024-10-03

    Airlines look to cut time spent on the tarmac

    Finding the best gate for an aircraft is a surprisingly difficult taskNext time you’re running at full tilt towards your airport gate, spare a thought for the airline staff who made sure that that gate was actually available. Gate allocation is a surprisingly complex task. “With 15 gates and 10 airplanes, there are more than
    CategoriesFrom The Web TagsBBC, Capacity, Commercial Aviation
  • 2023-08-27

    RCAA information on air capacity issues

    A letter from the Regional Commission on Airport Affairs (RCAA) to Senator Skratek urges review of air capacity issues related to Sea-Tac Airport expansion, noting that the expansion could negatively affect many people. The letter encloses a book suggested by Jeff Newell containing executive summaries and charts covering air capacity issues, and requests 30 minutes of the Senator's time before the final Transportation Policy Board vote on March 4. The letter is endorsed by a wide range of community organizations, cities, and advocacy groups opposed to or concerned about Sea-Tac expansion.
    CategoriesCorrespondence TagsAirport Expansion, Capacity, letter, RCAA, Sea-Tac Airport
  • 2021-07-21

    Activity update & outlook: Highline Forum

    A July 2021 presentation to the Highline Forum reported that Seattle-Tacoma International Airport (SEA) was steadily recovering from pandemic-related declines, with passenger traffic reaching 71% and scheduled seat capacity reaching 83% of 2019 levels as of June 2021. By August 2021, the flight schedule had climbed to 85% of pre-pandemic capacity, with Alaska Airlines leading the recovery at 97% of its 2019 schedule, while United Airlines lagged at 66%. The document highlights that airlines had largely restored operations to meet rebounding traveler demand.
    TagsAlaska Airlines, Capacity, Highline Forum, Port Of Seattle, Sea-Tac Airport
  • SEA Airport Approaches Capacity and Faces Difficult Decisions

    Steinbrueck, Peter The Puget Sound Regional Council (PSRC) recently published preliminary findings of an air capacity study that shows what Port leadership and the traveling public have known for a while — the region is rapidly approaching a crisis. Seattle-Tacoma  International Airport (SEA) has one of the smallest footprints of any major airport in the
    CategoriesFrom The Web TagsCapacity, Peter Steinbreuck, Port Of Seattle, Sea-Tac Airport
  • 2019-06-27

    Regional Aviation Baseline Study

    The Regional Aviation Baseline Study, published by the Puget Sound Regional Council in June 2019, examines the roles and interactions of 29 airports across the central Puget Sound region, including Sea-Tac as the area's primary large hub. The study aims to provide a regional perspective on how aviation activities affect communities and the broader economy, while gathering stakeholder input on aviation and airspace constraints. Its findings are intended to identify future aviation needs and lay the groundwork for long-term regional planning.
    TagsCapacity, PSRC, Puget Sound Regional Council
  • 2005-06-24

    ESSB 5121 proposed project schedule, Phase I: Airport facility, air cargo, passenger, and air space capacity assessment

    This draft project schedule outlines the planned timeline for Phase I of Washington State's airport facility, air cargo, passenger, and airspace capacity assessment under ESSB 5121, running from May 2005 through August 2006. Key milestones include advertising for a consultant, developing a detailed scope of work, securing an FAA grant, and completing a final Phase I report by July 1, 2006. WSDOT Aviation was responsible for submitting the findings to legislative committees, the governor, transportation commission, and regional planning organizations.
    TagsAirspace Study, Capacity, FAA, RCAA, Washington State Legislature, WSDOT

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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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