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STNI
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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.

TagSea-Tac Airport(146)

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  • 2024 SF NAP JPG 1
    2026-04-21

    2024 South Flow Noise Abatement Procedures graphic

    An aviation chart showing noise abatement procedures for south flow operations for Sea-Tac Airport, depicting aircraft flight paths, arrival and departure corridors, and specific locations including the 520 bridge area. The chart includes reference points at 5 nautical miles and 3,000 feet altitude.
    TagsFlight Tracks, Map, Noise Abatement Procedures, Sea-Tac Airport
  • D7Ca0Ab1 A6Fd 49E9 8A56 Ed422B3A8F8D 1920X1080
    2026-04-16

    Chinese government issues travel warning for SEA Airport after CBP denied entry to scholars with visas

    The Chinese Consular Department of the Ministry of Foreign Affairs said 20 Chinese scholars with valid visas were denied entry by Customs and Border Protection. SEATAC, Wash. — The Chinese government issued a travel warning for Seattle-Tacoma International Airport on Thursday after about 20 Chinese academics with valid visas were questioned and denied entry, according
    CategoriesFrom The Web TagsKing5, Sea-Tac Airport, TSA
  • Wendy Reiter Sea Tac Airport Director in Office
    2026-04-14

    Sea-Tac’s second terminal still 15 years away, new director says

    Seattle-Tacoma International Airport’s new managing director Wendy Reiter, pictured at her office in SeaTac on Thursday. (Ivy Ceballo / The Seattle Times) By Lauren Rosenblatt Seattle Times business reporter Seattle-Tacoma International Airport needs a second terminal to accommodate more planeloads of travelers coming practically every year. The new terminal is one of several projects the
    CategoriesFrom The Web, News Stories TagsPort Of Seattle, SAMP, Sea-Tac Airport
  • Aircraft Wreckage in Water
    2026-04-14

    Congress advances aviation bill requiring cockpit alert technology

    By Anumita Kaur and Lauren Rosenblatt Seattle Times staff reporters WASHINGTON — Efforts to mandate new aviation safety standards regained momentum in Congress on Tuesday as the House passed a sweeping reform bill, months after an earlier version of the legislation drew sharp backlash from plane crash victims’ families, commercial airline pilots and federal investigators.
    CategoriesFrom The Web TagsAirport, Port Of Seattle, Sea-Tac Airport
  • Alaska Lounge Lng061923Sea D Lounge Reopening018V1
    2026-04-11

    New Alaska Airlines lounge at Sea-Tac will be among the nation’s largest

    Alaska Airlines’ D Concourse lounge at Seattle-Tacoma International Airport. The airline is planning a new 40,000-square-foot lounge in the airport’s expanded C Concourse. Alaska Airlines By Nick Pasion – Reporter, Puget Sound Business Journal Mar 11, 2026 Story Highlights What’s This? Alaska Air Group will build a 40,000-square-foot lounge at Seattle-Tacoma International Airport. The lounge
    CategoriesFrom The Web TagsAlaska Airlines, Puget Sound Business Journal, Sea-Tac Airport, Terminal
  • 2026-03-27

    How Seattle flight prices from Sea-Tac Airport may be impacted by war

    By Angela Lim Seattle Times features reporter The cost of jet fuel in the United States has ballooned due to the U.S.-Israel war with Iran and a resultant oil crisis. And though airfare prices have not skyrocketed yet for Seattle travelers, experts say airlines will soon be forced to raise prices to offset fuel costs.
    CategoriesFrom The Web TagsAviation Fuel, Sea-Tac Airport, Seattle Times
  • 2026-03-24

    Port of Seattle Regular Commission Meeting March 24, 2026

    The Commission will hear two very important presentations for us: First, $1,000,000 in new fees for Landrum & Brown to continue as SAMP consultants, a job they have had since the Third Runway process. Second, reorganizing the Port's bond authorization system, key to financing the SAMP both NTP today and LTP in 2032.
    CategoriesEvents TagsPort Of Seattle, Port Of Seattle Commission, Sea-Tac Airport
  • 2026-03-17

    Sea-Tac again refuses to show video blaming Democrats for airport delays

    By Kai Uyehara Seattle Times breaking news reporter Seattle-Tacoma International Airport will not be playing a video from President Donald Trump’s administration blaming Democrats for airport delays resulting from the ongoing partial government shutdown. This is the second time the airport has declined to play such a video in the last six months. During the
    CategoriesFrom The Web TagsPort Of Seattle, Sea-Tac Airport, Seattle Times, TSA
  • 2026-02-26

    Paccar to vacate Sea-Tac Airport hangar 5 years early

    Paccar is negotiating a lease with Boeing Field, above, ahead of its departure from Sea-Tac Airport. King County | Ned Ahrens By Nick Pasion – Reporter, Puget Sound Business Journal Feb 26, 2026 Story Highlights What’s This? Paccar Inc. will vacate its Seattle-Tacoma International Airport hangar five years early. The Port of Seattle waived about $2 million
    CategoriesFrom The Web TagsKCIA, Port Of Seattle, Puget Sound Business Journal, Sea-Tac Airport
  • 2026-02-25

    Aviation group raises possibility of high-speed rail link to SEA Airport

    WSDOT reportedly has had ongoing discussions about incorporating air mobility into the state’s high-speed rail planning, including the possibility of serving SEA. Credit: AP A high-speed train travels along rail tracks in Beijing, China, Tuesday, Feb. 10, 2026. SEATAC, Wash. — State transportation planners are in early discussions about whether a future high-speed rail line
    CategoriesFrom The Web TagsCAWG, Fake News, King5, Sea-Tac Airport, WSDOT

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Upcoming Events

  • Port of Seattle Commission Meeting – Resolution No. 3848
    Add to CalendarMTuesday Apr 28: 12:00am
    Port of Seattle

    Agenda Item 10b Resolution No. 3848: Port of Seattle Participation in City of Bellevue Tax Increment Area Approval of the Port’s participation in the city of Bellevue’s tax increment area, as authorized under RCW 39.114.020. Key Points: Authorization for City of Bellevue to enact increment area up to $500,000,000 in combined assessed valuation if connected

    [...]
  • Port of Seattle Regular Commission Meeting April 28, 2026
    Add to CalendarMTuesday Apr 28: 12:00pm
    17801 International Blvd, Seattle, WA 98158
    2026 04 28 RM Packet Pdf 1

    # New Business Items
    **Order No. 2026-04:** Directs Executive Director to explore a program facilitating secure area access for union business requirements at Seattle-Tacoma International Airport.

    **Resolution No. 3848:** Approves Port's participation in City of Bellevue's Tax Increment Area.

    **Fishermen's Terminal C-15 Building Improvements:** Authorization for Executive Director to approve funding to advertise and execute a major public works construction contract for project completion.

    [...]
  • StART (SEA Stakeholder Advisory Round Table) Meeting
    Add to CalendarMWednesday Apr 29, 5:00pm - 7:00pm
    Zoom Webinar
    Start Meetingagenda 2026429 Pdf 1

    - **SAMP Environmental Review**: Detailed comparison between SEPA Environmental Impact Statement and NEPA Environmental Assessment processes for Near-Term Projects
    - **Community Roundtable Updates**: Progress report on airport stakeholder engagement initiatives
    - **Next Steps**: Implementation timeline for environmental review findings

    **Notable Action Item:**
    Public comment period opened for stakeholder input on airport development plans.

    [...]

[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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This is the first study to combine a one-year mobile monitoring campaign with PMF (Positive Matrix Factorization) analysis to simultaneously estimate source-specific air pollution exposures and emission factors of different vehicle types. This methodology can be extended to other metropolitan areas.
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