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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.

TagEconomic Impacts(25)

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  • 2018-01-01

    Sea-Tac International Airport economic impacts

    ★ 32
    This January 2018 report from the Port of Seattle examines the economic impact of Seattle-Tacoma International Airport, which handled an estimated 46.8 million passengers and roughly 425,860 metric tons of air cargo in 2017. The airport directly supported 19,100 on-site jobs and $5.6 billion in economic activity, while generating nearly $22.5 billion in total economic output and 151,400 jobs across Washington state when multiplier effects are included. The report also highlights the airport's role as a critical trade gateway, including the export of Washington-grown cherries to international markets.
    CategoriesKey Documents TagsCargo, Commerce Impacts Study 2018, Economic Impacts, Port Of Seattle, Sea-Tac AirportFolderFinance
  • Two versions of Appendix K: NEPA/SEPA 2018 vs 2023

    The CAI Economic Impacts Studies The Port of Seattle’s 2025 SAMP NEPA EA Appendix K presents an economic impact study from Community Attributes, Inc, using 2018 data. In the analogous 2026 SAMP SEPA Draft EIS, the Port includes an updated version of the study, using 2025 data, and also conducted by CAI. The 2018 version
    TagsEconomic Impacts, SAMP Draft EA, SAMP Draft SEPA EIS, Socioeconomic Impacts
  • Boeing Field/King County International Airport (BFI) airport profile

    This airport profile for Boeing Field/King County International Airport (BFI) was produced as part of the Washington State Department of Transportation Aviation Economic Impact Study of Washington’s 134 public-use airports. It details the airport’s characteristics, key aviation activities, and 2018 economic impacts, including 18,679 jobs supported and $3.04 billion in total business revenues. The profile
    TagsBoeing Field, Economic Impacts, General Aviation, King County International Airport, WSDOTFolderKCIA (Boeing Field)
  • Stcp chapter unk pg 4 distribution of employment central puget sound region and united states 1965 and 1972

    STCP Employment Distribution: Central Puget Sound Region and United States, 1965 and 1972

    Two bar charts (document POS 605, page 4.1.2) compare employment distribution between 1965 and 1972 for the Central Puget Sound Region (King, Kitsap, Pierce, and Snohomish Counties) and the United States. The upper chart shows agricultural vs. non-agricultural employment shares, while the lower chart breaks non-agricultural employment into non-manufacturing (60.1% to 65.9%), manufacturing (25.4% to 23.1%), and others (8.3% to 6.7%).
    TagsEconomic Impacts, Puget Sound, STCPFoldermaps
  • Stcp chapter 412 pg 5 per capita personal income constant 1967 dollars central puget sound region selected years 1959 1971

    Per Capita Personal Income in Constant 1967 Dollars: Central Puget Sound Region vs. United States, 1959–1971 (STCP Figure 4.1.2)

    A dual-panel chart showing per capita personal income in constant 1967 dollars for the Central Puget Sound Region compared to the United States for selected years 1959–1971. The lower bar chart expresses Puget Sound income as a percentage of the U.S. figure, peaking at 127% in 1962 and declining to 108% by 1971, labeled as figure 4.1.2.
    TagsEconomic Impacts, Puget Sound, Statistics, STCPFoldermaps
  • 2026-01-29

    UECNA Webinar: Does aviation growth lead to economic growth?

    UECNA seminar on the economics of aviation. John Steward (moderator): Good evening ladies and gentlemen. We are here tonight because Dr. Alex Chapman, a senior economist at New Economics Foundation, is with us. Dr. Chapman focuses on the economics of climate change, nature recovery and inequality. He supports New Economics Foundation’s just transition and nature
    CategoriesTranscripts TagsEconomic Impacts, Transcript, UECNA
  • 2025-09-01

    Appendix K: Children’s Environmental Health and Safety Risks, Socioeconomics, and Environmental Justice (NEPA Final EA and SEPA)

    Appendix K of this environmental review examines socioeconomic conditions, environmental justice, and children's health and safety risks in the area surrounding the proposed project. It finds that 23.3% of the population in the study area is under 18—higher than both King County and statewide averages—and identifies two schools within the project boundary that could expose children to environmental health risks. The appendix also includes an economic impact analysis for the Northwest Seaport Alliance and a separate environmental justice memorandum prepared under Washington State's environmental review process.
    TagsEconomic Impacts, Environmental Justice, NEPA, SAMP, SEPA, Socioeconomic Impacts, Studies, Sustainable Airport Master PlanFolderAppendicesStudy TopicsEconomics, Socioeconomics
  • 2025-07-02

    CAI Economic Impact Analysis: The Northwest Seaport Alliance, Port of Tacoma, and Port Of Seattle

    A July 2025 economic impact analysis by Community Attributes Inc. examines the economic contributions of the Northwest Seaport Alliance, Port of Tacoma, and Port of Seattle to Washington State. In 2023, NWSA operations alone supported an estimated 52,100 jobs, $4.4 billion in total compensation, and nearly $14 billion in total business output across Washington. The report also highlights more than $130 million in state fiscal impacts generated by NWSA activities that year.
    TagsEconomic Impacts, Maritime, Northwest Seaport Alliance, Port Of Seattle, Port of Tacoma, SAMP Draft SEPA EIS, Socioeconomic Impacts, StudiesFolderFinanceStudy TopicsEconomics
  • 2025-04-08

    Port Commission approves $1.9M in Economic Development Grants

    But are Airport Communities really being served? At today’s Port of Seattle Commission meeting, the Port approved the 2025–2026 Economic Development Partnership Program — allocating up to $1.9 million in funding for economic initiatives in cities throughout King County. Agenda Packet   While the Port frames this as a generous regional investment, a closer look
    CategoriesNews Stories TagsEconomic Impacts, Port Of Seattle Commission, Property Tax Levy
  • 2023-11-15

    Port Of Seattle Economic Development Partnerships

    The Port of Seattle drives the regional economy through its airport, maritime trade, and other operations, generating $22.5 billion in economic activity at SEA Airport, $16.3 billion through Maritime International Trade, and supporting over 121,200 area jobs. The presentation emphasizes that economic development requires collaboration across a broad ecosystem of partners, including ports, government agencies, financial institutions, educational institutions, and community organizations. It outlines how the Port builds and operates facilities while supporting business lines such as aviation, cruise, cargo, fishing, and real estate.
    TagsEconomic Development Partnership Program, Economic Impacts, Highline Forum, Port Of SeattleFolderCity Grants

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Upcoming Events

  • Stay Grounded Event: Night trains, not night planes!
    Add to CalendarMSunday Sep 13: 12:00am
    Ntnnp social media3

    For the past two years, more than 220 initiatives from 15 countries have declared September 13th as the International day for the ban of night flights at airports. In parallel, activists across Europe have been gathering for pyjama parties for night trains – coordinated in 2024 and 2025 by Back on Track and Stay Grounded.

    [...]
  • Burien Airport Committee Meeting September 15, 2026
    Add to CalendarMTuesday Sep 15: 6:00pm
    400 SW 152nd St, Burien, WA 98166
    Burien airport committee 15 sep 2026 agenda pdf pdf

    a) Part 150 Noise Study (Emily Inlow-Hood) — 15 minutes
    b) SAMP Update and Next Steps (Brian Davis and Sarah Moore) — 15 minutes
    c) Legislative Updates — 10 minutes
       • SCA (Sarah Moore)
       • Work with Sen. Orwall (Brian Davis)
    d) StART Reorganization (Jeff Harbaugh and Karen Veloria) — 10 minutes

    [...]

[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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Read This!

As the source for federal transportation grants, the Puget Sound Regional Council was charged with developing a system to meet the growing need for commercial aviation. When the search for a second airport failed, they authorized the Port of Seattle to build the Third Runway, with a mandate to develop a noise abatement and mitigation program. In their effort to stop the Third Runway, the ACC argued over every detail of the Port's efforts--including property buyouts and sound insulation. The dispute was meant to be settled by a three member Expert Arbitration Panel. This is their final report. It finds 2-1, that the Port's program was insufficient in several respects. Despite that, funding for the Third Runway was approved by the PSRC, and the 'Port Package' program, proceeded largely unchanged. 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.
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