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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.

TagPort Of Seattle(454)

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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
  • 2012-09-11

    Port Of Seattle Commission memorandum – Airport Sustainability Master Plan

    ★
    Port of Seattle memorandum requesting $6.0 million authorization to create an Airport Sustainability Master Plan for Seattle-Tacoma International Airport. The existing master plan is 15 years old and needs replacement due to 50% passenger growth since the last study was completed.
    CategoriesKey Documents TagsElizabeth Leavitt, Port Of Seattle, SAMP, Sustainable Airport Master Plan, Tay Yoshitani
  • 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.
    CategoriesCorrespondence, Key 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

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Upcoming Events

  • Port of Seattle Commission Audit Committee
    Add to CalendarMThursday Jun 4: 10:00am
    2711 Alaskan Way, Seattle, Washington 98134
    2026 06 04 am packet pdf

    Call to Order Approval of Minutes March 19, 2026 External Audits Baker Tilly – 2025 Financial Statement Audit Results Presentation and Report Anna Waldren, Senior Manager Fort Hill – Baggage Optimization Phase III Presentation and Report Doug Plyler, Principal Updates and Approval Glenn Fernandes, Director, Internal Audit Open Issue Status Update 2026 Audit Plan Approval

    [...]
  • 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

    [...]
  • Port of Seattle Regular Commission Meeting June 9, 2026
    Add to CalendarMTuesday Jun 9: 10:30am
    2711 Alaskan Way, Seattle, Washington
    2026 06 09 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 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 5. EXECUTIVE DIRECTOR’S REPORT 6. COMMITTEE REPORTS 7. PUBLIC COMMENT Public

    [...]

[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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