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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.

TagDNL65(16)

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  • HR 5874 – Decrease Noise Levels Act

    [Congressional Bills 116th Congress] [From the U.S. Government Publishing Office] [H.R. 5874 Introduced in House (IH)] 116th CONGRESS 2d Session H. R. 5874 To require the Administrator of the Federal Aviation Administration to amend regulations concerning the day-night average sound level, and for other purposes. _______________________________________________________________________ IN THE HOUSE OF REPRESENTATIVES February 12, 2020 Ms.
    TagsAdam Smith, DNL65, Grace Meng, Legislation, Noise Mitigation
  • The Port Package Explainer

    Does your home have a Port Package of noise mitigation windows and insulation? Having problems with your windows? Mold? You're not alone. Help us help you.
    TagsAvigation Easement, DNL65, Mold, Part 150, Port Packages
  • DNL65 For Dummies

    There is a geographic area around every large airport where, according to a formula developed by the Federal Aviation Administration (FAA), the ‘noise’ level is equal to or greater than 65 decibels DNL (Day Night Level). That area is depicted on a noise exposure map (NEM) and referred to as the Noise Boundary or just
    TagsCurfew, DNL65, Noise Boundary, Noise Countour
  • 2010-04-01

    From Whence Came Ldn / DNL 65?

    by Nick Miller With FAA developing a research roadmap, and fears (hopes?) expressed by many in our airport noise community that the compatibility guideline might change, I became “curiouser and curiouser” about the real origin of 65 DNL as various claims were made about its origin, its immutability, its arbitrariness, and its scientific basis or
    CategoriesFrom The Web TagsDNL65, History, HMMH
  • Seattle Community Council Federation v. FAA 961 F.2d 929

    961 F.2d 829 SEATTLE COMMUNITY COUNCIL FEDERATION, a Washington nonprofit corporation, Petitioner, v. FEDERAL AVIATION ADMINISTRATION; Samuel Skinner, Respondents. No. 90-70253. United States Court of Appeals, Ninth Circuit. Argued and Submitted Jan. 8, 1991. Decided April 9, 1992. Peter J. Eglick and Henryk J. Hiller, Seattle, Washington, for petitioner. Peter R. Steenland, Jr., and J.
    CategoriesLitigation TagsDNL65, FAA, Four Post Plan, SCCF, Seattle Community Council Federation
  • Forecasted Noise Contour Map 1980, 1985,1990, 2000

    From the 1981 Noise Exposure Update
    TagsDNL65, Map, Noise Boundary

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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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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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