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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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  • 2025-11-18

    Port of Seattle Resolution No. 3840 – Property Tax Levy Authorization

    ★
    Port of Seattle Resolution No. 3840 authorizing a property tax levy of $90,180,054 for calendar year 2026, representing a 2.0 percent increase from 2025. The resolution was adopted following public hearings and consideration of the Port’s budget requirements.
    CategoriesKey Documents TagsAirport Development Fund, Port Of Seattle
  • 2025-11-18

    Port of Seattle Regular Commission Meeting November 18, 2025

    ★
    This document is the agenda for the Port of Seattle Regular Commission Meeting held on November 18, 2025, covering routine administrative and operational matters such as claims approvals, lease amendments, and salary resolutions. The meeting was held both in person at Seattle-Tacoma International Airport and virtually via Microsoft Teams. No noise policy items are specifically addressed in this agenda; the document primarily concerns Port facility management, budget authorizations, and employee compensation.
    CategoriesKey Documents, Meetings TagsAirbus, Airport, Airport Committees, Airport Development Fund, Airport Layout Plans, Port Of Seattle
  • 2025-11-18

    Port of Seattle Resolution No. 3840 – Property Tax Levy Authorization

    ★
    Port of Seattle Commission resolution authorizing a property tax levy of $90,180,054 for calendar year 2026, representing a 2.0% increase from the previous year’s budgeted amount of $88,389,944. The resolution specifies the levy rate of approximately $0.0998 per thousand of assessed value.
    CategoriesKey Documents TagsAirport Development Fund, Port Of Seattle
  • 2025 11 18 RM Packet Pdf
    2025-11-18

    Port of Seattle Regular Commission Meeting November 18, 2025

    ★
    Port of Seattle Commission meeting agenda for November 18, 2025, including executive session, public comment procedures, consent agenda items covering various airport and port operations including baggage control services, lease amendments, elevator modernization, and salary resolutions.
    CategoriesKey Documents, Meetings, Regular Events TagsAirbus, Airport, Airport Committees, Airport Development Fund, Airport Layout Plans, Port Of Seattle
  • 2025-11-11

    Introduction & Public Hearing of the Preliminary 2026 Budget

    ★
    Port of Seattle presentation introducing the preliminary 2026 budget for public hearing. The document outlines changes made after the preliminary budget publication, including Aviation Division expense and revenue adjustments related to STAC & TSA contracts and Amazon lease agreements. It covers operating budget highlights, commission priorities, capital planning, and equity considerations.
    CategoriesKey Documents, Regular Events TagsAirport, Airport Committees, Amazon, Aviation International News, Port Of Seattle
  • 2025-11-11

    2026 – 2030 Environmental Remediation Liability Program for Cleanup and Investigation of Historical Contamination

    ★
    Port of Seattle Commission agenda memorandum requesting $30 million for 2026 environmental remediation and approval of a $259 million five-year spending plan for cleanup of historical contamination at maritime and aviation properties. The program addresses contamination from past industrial operations including Lower Duwamish Waterway Superfund Site and various terminal locations.
    CategoriesKey Documents TagsAirport, Port Of Seattle
  • 2025-10-28

    O’Hare Airport Snow Storage Expansion Diagram (SAMP Comparison Exhibit)

    ★
    Aerial satellite map of O'Hare International Airport showing two annotated snow storage areas: 'Completed Snow Storage Expansion Phase I' along the south airfield and 'Snow Storage Expansion Phase II by Lagoon 3' on the west side, with green arrows indicating access routes between locations.
    CategoriesKey Documents TagsAirport Expansion, Airport Layout Plans, Map, Port Of Seattle, SAMP, Sea-Tac Airport
  • 2025-10-28

    Port of Seattle Regular Commission Meeting

    ★
    The Port of Seattle held a Regular Commission Meeting on October 28, 2025, covering routine business such as approval of meeting minutes, claims totaling over $156 million, and several construction and lease authorizations related to Seattle-Tacoma International Airport facilities. Agenda items included contracts for snow storage expansion, a building renovation at Sea-Tac, and a cruise terminal lease agreement. The commission also considered a resolution reaffirming the Port's Welcoming Port Policy in support of immigrants, refugees, and international visitors.
    CategoriesKey Documents, Meetings TagsAirport, Airport Committees, Airport Development Fund, Airport Expansion, Port Of Seattle
  • 2025-10-22

    Programmatic Environmental Checklist – Seattle-Tacoma International Airport Flight Corridor Management Program

    ★
    Environmental checklist for SEA’s Flight Corridor Management Program, which identifies and removes tree obstructions from airport flight corridors every five years to comply with FAA regulations. The document outlines the program’s background, implementation cycles, and environmental review process.
    CategoriesKey Documents TagsAirport, Airport Expansion, FAA, Port Of Seattle, SEPA
  • SEPA Flight Corridor Mgmt Program Checklist November 6, 2025 REV Signed 1 Pdf
    2025-10-22

    Programmatic Environmental Checklist – Seattle-Tacoma International Airport (SEA) Flight Corridor Management Program

    ★
    Environmental checklist for the Port of Seattle’s Flight Corridor Management Program at SEA, which involves regular identification and removal of tree obstructions to maintain compliance with FAA flight corridor regulations. The program operates on approximately five-year implementation cycles.
    CategoriesKey Documents TagsAir Traffic Control, Airport, Airport Improvement Program, Airport Layout Plans, Airspace Study, Port Of Seattle

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Upcoming Events

  • KCIA 2026 FOD Walk
    Add to CalendarMSaturday Aug 15, 7:30am - 10:00am
    9404 East Marginal Way South, Seattle, WA 98108
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    Museum of FlightSeattle, WA Saturday, August 15  •  7:30 AM – 10 AM Overview Join us for the KCIA 2026 FOD Walk—let’s keep the runway clean and have some fun together! Join Us for the KCIA 2026 FOD Walk! Get ready to step out and enjoy an awesome in-person event all about keeping our spaces

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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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