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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(52)

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  • 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
  • The PFC Explainer

    Every time you fly out of Sea-Tac, $4.50 of your ticket price goes directly to the airport. That charge, called a Passenger Facility Charge (PFC), is a multi-billion dollar fund, and one of the biggest single revenue sources for airport expansion. In the past it was used for noise-mitigation programs. Today? Not so much.
    TagsFAA, Part 150, PFC
  • 2025-10-01

    NEM_Wkshp_Boards_8

    A presentation introducing the Part 150 Study process for Seattle-Tacoma International Airport. The document explains the federal regulatory framework for preparing Noise Exposure Maps and Noise Compatibility Programs, outlines the phases of the study process, and provides historical context of previous Part 150 studies conducted at SEA from 1985 to 2014.
    Tagscommunity engagement, Noise, Part 150, Port Of Seattle, Sea-Tac Airport
  • Nem wkshp boards 8.5x11 web rfs pdf
    2025-10-01

    Welcome to the public workshop for the seattle-tacoma international airport part 150 study

    A presentation introducing the Part 150 Study process for Seattle-Tacoma International Airport. The document explains the federal regulatory framework for preparing Noise Exposure Maps and Noise Compatibility Programs, outlines the phases of the study process, and provides historical context of previous Part 150 studies conducted at SEA from 1985 to 2014.
    Tagscommunity engagement, Noise, Part 150, Port Of Seattle, Sea-Tac Airport
  • 2025-09-25

    KCIA Public Workshop Part 150, Vision 2045

    Please join us and participate in the Vision 2045 Airport Plan Open House for the King County International Airport-Boeing Field (KCIA). This is the fourth open house for the Vision 2045 Airport Plan and Part 150 Study. Register at the link below to receive reminders and updates about this open house and the Vision 2045 Airport Plan. Registration is optional and not required to attend the open house. When: Thursday, Sept. 25, 2025, 5:30-7:30 p.m. Where: KCIA Flight Service Station, 6526 Ellis Avenue South, Seattle, WA, USA
    CategoriesEvents TagsKCIA, Part 150
  • Part 150 for Dummies

    Read this, including the recent update, and then attend the upcoming Port of Seattle Part 150 workshops.
    TagsDNL65, FAA, FAA Density Guidelines, Part 150
  • King County International Airport is planning for the future Vision 2045

    Parallel planning studies will have impacts for everyone living under the flight path The Vision 2045 Airport Plan will evaluate how KCIA can evolve and adapt to meet future aviation demand and become a world-class airport. This airport planning process will result in an airport plan that will serve airport users and surrounding community members
    CategoriesFrom The Web, News Stories TagsKCIA, Part 150

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Upcoming Events

  • 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

    [...]
  • Port of Seattle Commission Meeting June 23, 2026
    Add to CalendarMTuesday Jun 23: 10:30am
    2711 Alaskan Way, Seattle, WA 98121
    2026 06 23 rm packet pdf

    Order of Business 10:30 a.m. 1. Call to Order 2. Executive Session (if necessary, pursuant to RCW 42.30.110 – not open to the public) 12:00 p.m. – Public Session Reconvene or Call to Order and Pledge of Allegiance 3. Approval of the Agenda 4. Special Orders of the Day 4a. Proclamation Recognizing June 2026 as

    [...]
  • 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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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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