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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.

Category : Explainers(50)

Almost everything about every airport is complicated. And Sea-Tac Airport is more challenging than most. These short-form articles try to make things as simple as possible. Use them to branch off into deeper dives.

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  • 2025-05-17

    PFOA in Fire-Fighting Foams

    EPA guidance leaflet explaining the problems with PFAS chemicals in fire-fighting foams, including PFOA and PFOS, which are harmful persistent chemicals. Details restrictions and controls on PFOA-containing AFFF (Aqueous Film Forming Foam) with timeline from 2020-2025 for phasing out use.
    CategoriesExplainers, Resources TagsAirport
  • SAF

    A Dangerous illusion masquerading as a climate solution Sustainable Aviation Fuel (SAF) is being promoted as a climate-friendly alternative to traditional jet fuel. The term itself sounds promising—who wouldn’t support making aviation more “sustainable”? But beneath the marketing gloss lies a troubling truth: SAF is, at best, a distraction, and at worst, a calculated maneuver
  • The Hidden Economics Behind Those $29 Flights

    The perverse incentives for communities under the flight path The Seattle Times recently reported that Frontier Airlines will begin offering three new routes from Paine Field in Everett, Washington starting June 2. The budget airline will connect Everett to Denver, Las Vegas, and Phoenix with flights operating three times weekly. What caught many readers’ attention
    CategoriesExplainers
  • 2025-02-14

    Washington State Air Pollution Map – Airport Communities

    Map of Washington State showing cumulative levels of criteria air pollution with numbered markers indicating 16 airport-impacted communities. The map uses green shading to represent pollution levels from highest to lowest, with communities like Ellensburg, Everett, South King County, and others marked with red numbered circles.
    CategoriesExplainers, Resources TagsAir Quality Monitors, Airport Communities Coalition, Airport Impacted Communities Act, airport issues, Airports, Aviation Emissions
  • The SAMP Draft EA Public Comment Explainer

    A presentation on the Sustainable Airport Master Plan (SAMP) Draft EA Comment Period. How to write an effective comment and why that really matters. Remember: you have until December 13, 2024 to send in your public comment to the FAA.
    CategoriesExplainers TagsSAMP Draft EA
  • SAMP Draft EA: How to provide a great public comment

    1How to provide effective public comment by December 13, 2024 Because new ways for you to participate will likely become available, this article may be subject to updates. Introduction This is the second of a two-part article concerning the Sustainable Airport Master Plan Draft Environmental Assessment (SAMP Draft EA). If you’re looking for the short
    CategoriesExplainers TagsEIS, Environmental Impact Statement, SAMP, Sustainable Airport Master Plan
  • The SAMP Comment Period Explainer (Intro)

    Preparing for the October 21st Comment Period This is the first of a two-part article concerning the SAMP comment period. We’re including a few paragraphs of background because the process has been so lengthy–with many years of delay. The feedback we’ve received thus far has been confusion, partly because the information on the Port’s official
    CategoriesExplainers TagsEIS, Environmental Impact Statement, SAMP, Sustainable Airport Master Plan
  • The Factory

    A two minute presentation on how the Sustainable Airport Master Plan (SAMP) will increase flight operations at Sea-Tac Airport as much as a new runway. Without a new runway.
    CategoriesExplainers TagsSAMP, Sustainable Airport Master Plan
  • 2024-07-29

    Materials used in 787 body

    Technical diagram showing the composition of materials used in Boeing 787 aircraft construction, including fiberglass, aluminum, carbon composites, and titanium components. Includes pie chart comparing material usage by weight between 787 and 777 aircraft models.
    CategoriesExplainers Tags777, aircraft, Airline Industry
  • 2024-07-29

    Boeing 777 Aircraft Materials Diagram

    Technical diagram showing the different materials used in Boeing 777 aircraft construction, including toughened graphite, graphite, hybrid materials, and fiberglass components highlighted in different colors across the aircraft structure.
    CategoriesExplainers Tags777, aircraft, Aviation Week, Boeing

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Upcoming Events

  • 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,
    Event image 1

    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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Help study childhood asthma. Get free HEPA filter!

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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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