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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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  • 2025-08-12

    Passenger Growth – Port of Seattle Commission Regular Meeting P69

    ★
    A chart showing passenger growth at the Port of Seattle from 2021-2025, displaying actual passenger numbers from 2021-2024 (36.2M to 52.6M), 2025 budget of 53.5M, and forecast of 53.1M. The forecast shows 9% growth compared to 2024 actual but is 0.7% lower than the 2025 budget.
    CategoriesKey Documents, Meetings TagsAirport, Airport Committees, Port Of Seattle
  • 2025-08-12

    Airport Development Fund Balance

    ★
    A chart showing the Airport Development Fund balance with beginning balance of $739,774, forecast ending balance of $830,000, and budget of $829,833. The ending balance forecast of $830M represents the target of 18 months of operations and maintenance for 2025.
    CategoriesKey Documents TagsAirport, Airport Committees, Airport Development Fund, Port Of Seattle
  • 2025-02-11

    House Bill 1948 – Environmental Justice for Large Port Districts

    ★
    Washington State House Bill 1948 introduced in the 2025 legislative session, relating to reducing environmental and health disparities and improving the health of Washington state residents in large port districts. The bill requires qualifying port districts to include environmental justice implementation plans and community engagement plans in their strategic planning.
    CategoriesKey Documents, Legislation Tags2026 legislative session, Aircraft Maintenance, Airport, community engagement, Environmental Justice, Port Of Seattle
  • 2025-01-28

    Port of Seattle Commission Regular Meeting

    ★
    Agenda for the Port of Seattle Commission Regular Meeting scheduled for January 28, 2025. The meeting includes unfinished business regarding a joint marketing agreement with Washington State Tourism, consent agenda items covering various contracts and claims approvals, and multiple collective bargaining agreements with different labor unions.
    CategoriesKey Documents, Meetings, Regular Events TagsAirport, Airport Committees, Port Of Seattle
  • 2024-10-08

    Port of Seattle Order No. 2024-12 – North SeaTac Park for Recreational Use

    ★
    Port of Seattle Commission order directing the Executive Director to prepare documentation and establish a timeline for permanently designating North SeaTac Park for recreational uses under the 2024 Federal Aviation Administration Reauthorization Act. The order includes budget allocation for park improvements and requires legally binding frameworks to ensure permanent protection.
    CategoriesKey Documents, Legislation TagsAirport, Airport Committees, Airport Impacted Communities Act, Airport Layout Plans, Legislation, Port Of Seattle
  • Gao 24 107001 Pdf
    2024-09-01

    AIR TRAFFIC CONTROL – FAA Actions Are Urgently Needed to Modernize Aging Systems

    ★
    GAO report to Congressional committees identifying that 76% of FAA’s air traffic control systems are unsustainable or potentially unsustainable, with 58 systems having critical operational impacts on safety and efficiency. The report highlights urgent need for modernization following a 2023 national airspace shutdown due to aging system outage.
    CategoriesFrom The Web, Key Documents TagsAir Traffic Control, Airport, airport issues, Airport Noise Law, ATC, Aviation International News
  • 2024-01-01

    Flight Corridor Safety Program 2024 – Category III Selection Summary

    ★
    Selection summary for the Flight Corridor Safety Program at Seattle-Tacoma International Airport, evaluating four firms (AECOM, HNTB, Jacobs Engineering, RS&H) for a $2M contract to manage obstructions consisting of trees and vegetation around the airport. HNTB was awarded the contract after receiving outstanding ratings across all criteria.
    CategoriesKey Documents TagsAirport, Airport Expansion, Aviation Committees, Port Of Seattle
  • 2023-11-15

    Federal Register Policy on Definition of Aeronautical Activities

    ★ 32
    FAA proposes to update its definition of ‘aeronautical activity’ to include unmanned aircraft systems (UAS), advanced air mobility (AAM), and commercial space launch operations. The revised definition affects airport operators’ obligations under Federal grants to maintain airports for public aviation use.
    CategoriesKey Documents, Legislation TagsAdvanced Air Mobility, AIP, Airport, Airport Improvement Program, Airports, Federal Aviation Administration
  • 2023-01-01

    AC-13 Disposition of Property – Accounting and Financial Reporting Policy

    ★
    Port of Seattle accounting policy establishing standards for disposing of Port property, including authorization requirements, property definitions, and procedures to achieve cost savings while maintaining audit trails and maximizing return on investment.
    CategoriesKey Documents TagsAirport, Port Of Seattle
  • 2022-08-20

    The Effect of Occupational Exposures to Aircraft Ultrafine Particles on Acute Cardiorespiratory Health, and Control Using Personal Protective Equipment

    ★
    A University of Washington thesis presentation by Mariah Dittmore examining the short-term cardiorespiratory health effects of exposure to aircraft-related ultrafine pollution in communities. The research builds on previous studies showing increased inflammatory markers from aircraft pollution exposure.
    CategoriesKey Documents TagsAcademic Journals, Air Quality Monitors, aircraft, Airport, Atmosphere, Aviation Emissions

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  • Joint Des Moines and Burien Airport Committee Meeting
    Add to CalendarMMonday Jul 13: 4:00pm
    21630 11th Avenue S, Suite C,
    July 13 2026 joint des moines and burien airport committee meeting agenda packet pdf

    Agenda Item: 2026 Aviation Noise & Emissions Symposium Summary Document Link

    [...]
  • Rep. Adam Smith Aviation Forum
    Add to CalendarMSaturday Jul 18, 1:00pm - 2:00pm
    2400 S. 240th St,
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    From the Office of Congressman Adam Smith: Highline College (Building 8, Mt. Townsend Room)Des Moines, WA Saturday, July 18 • 1 PM – 2 PM Join Rep. Adam Smith for an Aviation Forum. Attendees will have questions and concerns about aviation noise and emissions. RSVP today! Representative Adam Smith is hosting an aviation forum with

    [...]

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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!

A report examining the barriers to implementing sustainable aviation fuel (SAF) in Massachusetts, authored by Neil Rasmussen and Chuck Collins from the Institute for Policy Studies. The report analyzes challenges and obstacles facing SAF adoption in the state.
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