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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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  • 2020-08-11

    Miller Creek Culvert Replacement, Fish Passage and Stream Restoration

    ★
    Port of Seattle Commission agenda memorandum requesting authorization for the Executive Director to execute an Interlocal Agreement with the City of Burien, contributing $800,000 toward a $3.5 million project to divert Miller Creek, abandon a failing stream culvert, and construct fish-passable culverts along 450 linear feet of restored stream habitat on Port property to protect
    CategoriesKey Documents TagsAirport, Clean Water Act, Port Of Seattle, Third Runway
  • 2020 01 28 SM 8A 1 Pdf
    2020-01-28

    Commission Agenda Memorandum – Flight Corridor Safety Program 2019 contracts, agreements, and real property interests

    ★
    Port of Seattle commission agenda item requesting authorization for the Executive Director to execute contracts and agreements related to the Flight Corridor Safety Program 2019, including removal of flight path obstructions, tree replanting, and property rights acquisition. The total cost estimate is $5,895,000 for a total project cost of $8,500,000.
    CategoriesKey Documents TagsAir Rights, Airport, airport issues, Airport Layout Plans, Port Of Seattle
  • Port Of Seattle – Resolution No 3212

    ★ 32
    Update to Master Plan passed to enable the Third Runway construction to commence. The Commission finds that the EIS for Proposed Master Plan Update Development Actions (including the PSRC-issued EIS Addendum) is adequate and meets the requirements of the State Environmental Policy Act, Ch. 43.21C RCW. Section 2. The Comnission hereby adopts the Airport Master
    CategoriesKey Documents TagsPort Of Seattle, Puget Sound Regional Council, SEPA, Third Runway
  • 2003-05-20

    Aviation Mitigation Zones – HB 2276 Striking Amendment (H-3175.2/03)

    ★ 32
    Legislative memorandum analyzing a striking amendment to HB 2276 that establishes aviation mitigation zones for large regional airports. The amendment requires qualifying port districts to levy $10 million annually for four years (2004-2007) for mitigation purposes and creates an advisory board to assist with grant distribution.
    CategoriesKey Documents, Legislation TagsAirport, Airport Communities Coalition, Airport Noise Law, Aviation Impacted Communities Alliance, Port Of Seattle
  • 2003-05-20

    Aviation Mitigation Zones – HB 2276 Striking Amendment (H-3175.2/03)

    ★
    Legislative memorandum analyzing a striking amendment to HB 2276 that establishes aviation mitigation zones for large regional airports. The amendment requires qualifying port districts to levy $10 million annually for four years (2004-2007) for mitigation purposes and creates an advisory board to assist with grant distribution.
    CategoriesKey Documents, Legislation TagsAirport, Airport Communities Coalition, Airport Noise Law, Aviation Impacted Communities Alliance, Port Of Seattle
  • 2002-06-03

    Des Moines Beach Park Legal Analysis and Department of Ecology Letter on Third Runway Fill Material

    ★
    Legal memorandum analyzing King County’s role in proposed Des Moines Beach Park conveyor belt operation, including property rights and park use restrictions. Includes Department of Ecology letter clarifying fill material certification requirements for Port of Seattle’s third runway construction.
    CategoriesKey Documents, Litigation TagsAirport Expansion, Airport Law, Port Of Seattle
  • 2002-01-01

    Final Staff Evaluation for SEPA Environmental Checklist – Des Moines Creek Basin Restoration Projects

    ★
    City of SeaTac’s final staff evaluation for environmental checklist regarding Des Moines Creek Basin Restoration Projects. The proposal involves construction of coordinated surface water management facilities to improve water quality and reduce flooding conditions, including detention facilities, high flow bypass pipes, and fish habitat improvements.
    CategoriesKey Documents TagsCity Of Des Moines, City Of SeaTac, Des Moines Creek Basin Plan, Port Of Seattle
  • SR 509 Corridor Completion/I-5/South Access Road Revised Draft EIS Section 4(f) Evaluation

    ★ 32
    CategoriesHistory, Key Documents TagsPort Of Seattle, SR509, WSDOT
  • 1996-03-27

    Final Decision on Noise Issues – Expert Arbitration Panel’s Review of Sea-Tac International Airport

    ★
    Expert Arbitration Panel’s final decision finding that the Port of Seattle had not shown sufficient reduction in real on-the-ground noise impacts to satisfy noise reduction conditions required for approval of a third runway at Sea-Tac International Airport. The majority decision concluded the Port’s noise abatement programs were insufficient despite being impressive in scope.
    CategoriesHistory, Key Documents, Litigation TagsAircraft Maintenance, Airport Communities Coalition, Airport Expansion, airport issues, Airport Noise Law, Port Of Seattle, PSRC
  • 1996-03-27

    Final Decision on Noise Issues – Expert Arbitration Panel’s Review of Noise and Demand/System Management Issues at Sea-Tac International Airport

    ★
    This is the final decision by the Expert Arbitration Panel on Noise and Demand/System Management Issues regarding Sea-Tac International Airport. The majority of the panel concluded that while the Port of Seattle has implemented noise abatement and mitigation programs, they have not shown sufficient reduction in real on-the-ground noise impacts to satisfy the requirements of
    CategoriesKey Documents, Litigation TagsPort Of Seattle, PSRC, Puget Sound Regional Council, Sea-Tac Airport, Third Runway

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Upcoming Events

  • PSCAA Advisory Council Meeting
    Add to CalendarMThursday May 14, 9:00am - 12:00pm
    1904 3rd Avenue, Suite 105, Seattle, WA 98101
    May 14 2026 advisory council meeting agenda and materials pdf

    Call to Order – Land Acknowledgement 9:00 – 9:05 Land acknowledgement recognizing Coast Salish people and traditional lands I. Early Morning: Alignment & Assessment A. Approval of March 11, 2026 Minutes 9:05 – 9:30 B. Introductions and Setting Goals and Norms for Retreat 9:05 – 9:30 II. New Business A. Strategic Plan Third Annual Report

    [...]
  • KCIA Vision 2045 Open House
    Add to CalendarMThursday May 14, 5:30pm - 7:30pm
    KCIA Flight Service Station, 6526 Ellis Ave. S. Seattle, WA 98108
    Kcia Boeing Field Beautyshotkcia

    King County International Airport-Boeing Field is at a pivotal moment, developing comprehensive plans that will determine its operations through 2045. The airport's Vision 2045 Airport Plan and Part 150 Study represent crucial strategic initiatives to balance safe, efficient operations with evolving aviation demands and community needs.

    Join airport officials on Thursday, May 14 (5:30-7:30 p.m.) at the KCIA Flight Service Station to discover the preferred alternative for the airport's future development. This isn't just another planning meeting—it's your opportunity to understand how proposed projects and improvements will directly impact aviation services, local operations, and surrounding communities.

    The Vision 2045 plan incorporates extensive stakeholder feedback and addresses critical infrastructure needs for future demand. Meanwhile, the Part 150 Study focuses on noise compatibility programs, ensuring community concerns remain central to planning decisions.

    With environmental analysis nearing completion and submissions to King County Council and the FAA approaching, this open house offers essential insights into decisions that will shape regional aviation for decades.

    Visit KCIAplanning.com for updates.

    [...]

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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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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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