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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.
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TagPart 150(40)

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  • 2014-05-29

    FAA Record of Approval Noise Compatibility Program Part 150 2013

    ★
    CategoriesKey Documents TagsPart 150
  • 2013-10-15

    Informal Runway Use Agreement (Appendix I 2013 Part 150 Study)

    ★ 32
    Appendix I from the 2013 Part 150 Study by Landrum & Brown. A Letter Of Agreement (LOA) where the Port Of Seattle agrees to using the Third Runway primarily for overflows and bad weather. Note the very official looking signature of the Port CEO, Tay Yoshitani. Also note that it is described as an ‘informal
    CategoriesKey Documents TagsLandrum & Brown, Part 150, Runway Use Agreement, Tay Yoshitani, Third Runway
  • 2002-10-15

    King County Motion 11600 – FAA Part 150 Noise and Land Use Compatibility Study

    ★ 32
    A King County motion to adopt the King County International Airport’s Federal Aviation Regulation Part 150 Noise and Land Use Compatibility Study and to accept federal grants for implementing recommended programs. The motion outlines the airport’s economic importance and various noise mitigation strategies including sound insulation programs, flight restrictions, and a Ground Run-up enclosure.
    CategoriesKey Documents TagsKCIA, King County Council, Part 150
  • Minnie O. Brasher: Port Of Seattle in violation of Federal Grant Assurance C.6

    ★ 32
    CategoriesKey Documents TagsFAA, Federal Grant Assurance C.6, Minnie O Brasher, Part 150, Port Package Program Updates, Port Packages, RCW 53.54.020
  • End of Block Seapart150.Com

    End of Block example from 2032 Part 150

    TagsPart 150
  • Trc Mtg4 Part150 081125 1

    TagsPart 150
  • NDAA Section 8801
    2025-12-12

    Pilot program for sound insulation repair and replacement passes in Defense bill

    Smith/Murray provide funding. And so many loopholes. The House of Representatives has passed its mandated National Defense Authorization Act for Fiscal Year 2026. Near the end of the bill is Section 8801, language previously put forward by Congressman Adam Smith WA-9 to allow the FAA to provide grant funding for updates to existing sound insulation
    CategoriesNews Stories TagsAdam Smith, FAA, National Defense Authorization Act, Part 150, Sound Insulation
  • 2025-12-08

    SEA Part 150 Technical Review Committee TRC meeting #5 summary

    Summary of the fifth Technical Review Committee meeting for Seattle-Tacoma International Airport’s Part 150 Noise Study. The meeting covered updates on public workshops, outreach to community organizations, Noise Compatibility Program overview, and a working session on potential noise abatement measures.
    CategoriesMeetings TagsPart 150, Port Of Seattle
  • 2025-11-15

    Sea-Tac Airport Part 150 Study Virtual Public Workshop Transcript

    Hello and welcome to the virtual public workshop for the Part 150 study for Seattle-Tacoma International Airport. We appreciate you attending this workshop today and your participation and input is a key component of this study. This series of workshops is a continuation of the in-person workshops that were held starting on September 30th. Today
    CategoriesTranscripts TagsESA, FAA, Part 150
  • 2025-10-15

    Sea-Tac Airport Part 150 Full NEM Virtual Workshop Recording

    JENNY THACKER (PRR, Virtual Meeting Facilitator): All right, welcome everybody to the Part 150 study for Seattle Tacoma International Airport virtual public workshop. I’m Jenny Thacker from PRR and I’ll be your virtual meeting facilitator this evening. All participants are automatically muted upon arrival and will remain muted through the entire meeting and those who
    CategoriesMeetings TagsESA, FAA, Part 150, Sea-Tac Airport

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Upcoming Events

  • Des Moines City Council – SAMP Update
    Add to CalendarMThursday Jun 4: 5:00pm
    21630 11th Ave S,
    Item report 1 pdf

    Purpose and Recommendation To provide the Council with an update on the status of the Sustainable Airport Master Plan (SAMP) environmental review. Background Federal Aviation Administration (FAA) Approval On September 26, 2025, the FAA completed their National Environmental Policy Act review and approved a Final Environmental Assessment and Finding of No Significant Impact/Record of Decision

    [...]
  • SAMP/SEPA Draft EIS Town Hall SeaTac
    Add to CalendarMMonday Jun 22, 6:00pm - 8:00pm
    2450 S 142nd St SeaTac, WA 98168
    SAMP logo t

    The Port of Seattle is sponsoring four open houses to answer your questions about the SAMP/SEPA Draft EIS. There will be a reporter to take your comments in-person. Monday, June 22: 6–8pm Glacier Middle School Entrance lobby/commons 2450 S 142nd St SeaTac, WA 98168

    [...]
  • SAMP/SEPA Draft EIS Town Hall Des Moines
    Add to CalendarMTuesday Jun 23, 6:00pm - 8:00pm
    22450 19th Ave S
    SAMP logo t

    The Port of Seattle is sponsoring four open houses to answer your questions about the SAMP/SEPA Draft EIS. There will be a reporter to take your comments in-person. Tuesday, June 23: 6–8pm Mount Rainier High School Cafeteria space 22450 19th Ave S Des Moines, WA 98198

    [...]

[See all...]


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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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