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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.

TagThird Runway(1067)

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  • 2008-01-07

    Highline combatants say critical port audit only revealed tip of the iceberg

    A Port of Seattle worker points out the 17-inch paving thickness of the third runway at Sea-Tac International Airport. Photo by Brett Fish Mon, 01/07/2008 Battle scarred Highline veterans of the war against construction of the third runway at Sea-Tac International Airport are not surprised by an audit critical of the Port of Seattle. The
    CategoriesFrom The Web TagsBrett Fish, Port Of Seattle Commission, Third Runway, Westside Seattle
  • 2007-09-13

    Pouring concrete for Sea-Tac’s Third Runway, 13 September 2007.

    Construction crew operates heavy paving equipment to lay fresh concrete on a wide airfield surface, consistent with runway or taxiway construction or rehabilitation. A worker in an orange hard hat is visible at right; no visible text, logos, or watermarks to identify the specific location, date, or contractor.
    TagsConstruction, Runways, Sea-Tac Airport, Third RunwayFolderRunways
  • 2007-09-10

    Aerials of Sea-Tac Airport’s Third Runway construction, 10 September 2007.

    Aerial photograph showing the construction of Seattle-Tacoma International Airport's third runway (16C/34C) under development. The image shows the new runway under construction to the east of the existing parallel runways, with surrounding residential and forested areas of the SeaTac/Des Moines area visible.
    TagsAirport Expansion, Construction, Runways, Sea-Tac Airport, Third RunwayFolderRunways
  • Runway embankment completed

    Port of Seattle Commission president Pat Davis waves a construction flag to signal the dumping of the last load of fill dirt for the third runway at Seattle International Airport. Television cameras record the moment. Photo by Amber Trillo Tue, 11/07/2006 Port of Seattle staff celebrated on Oct. 30 the completion of the embankment for
    CategoriesFrom The Web, History TagsFill Dirt, Mechanically Stabilized Earth, Mic Dinsmore, Pat Davis, Third Runway, Westside Seattle
  • The Pits

    Maury Island has the gravel Sea-Tac’s runway needs. It also has arsenic-laden soil, a vulnerable aquifer, and some very worried islanders. By Eric Scigliano • October 9, 2006 12:00 am IF THIS STORY HAD APPEAREDtwo weeks ago, you might have thought it an April Fool’s hoax. Consider: A Japanese-owned sand-and-gravel company plans (in stages) to strip-mine 235
    CategoriesFrom The Web, History TagsThird Runway
  • Risky Runway

    The Port’s new mega-project at Sea-Tac rests on a shaky foundation. With serious questions raised about its environmental impacts, its costs, and even its structural feasibility, it looks like a near-billion-dollar boondoggle in the making. by Roger Downey Robert Olander, Des Moines city manager, is a longtime opponent of the third runway. He believes the
    TagsDes Moines, Robert Olander, Roger Downey, Seattle Weekly, Third Runway
  • 2006-02-27

    PSRC General chronology: Regional commercial airport capacity decisions in the Central Puget Sound Region

    This document traces the history of commercial airport capacity and noise policy decisions in the Central Puget Sound region from 1973 to 2006, focusing on Sea-Tac Airport. It covers key milestones such as the Port of Seattle's various noise mitigation programs, agreements with the Highline School District, and debates over building a third runway and expanding Boeing Field. The chronology highlights the ongoing tension between meeting growing air travel demand and addressing the noise impacts on surrounding communities and schools.
    TagsAlaska Air, Boeing Field, KCIA, King County, King County International Airport, PSRC, Puget Sound Regional Council, Southwest Airlines, Third Runway, TimelineFolderPuget Sound Regional Council
  • 2006-01-12

    State rebukes Port of Seattle for 3rd-runway water pollution – Runoff from construction Millions of gallons flow into nearby streams

    By Warren Cornwall January 12, 2006 Publication: Seattle Times, The (WA) Page: A1 Word Count: 865 For years, the Port of Seattle has promised that construction of a massive third runway at Seattle-Tacoma International Airport wouldn’t hurt surrounding streams and would actually be a boon to the environment. But since October, a string of oversights, accidents and intentional
    CategoriesFrom The Web TagsBrett Fish, Ecology, Greg Wingard, Port Of Seattle, RCAA, Seattle Times, Third Runway
  • 2005-06-25

    State PDC seeks suit on election violations – 2001 Des Moines races: Business group accused of hiding donations to pro-runway candidates

    In 2005, Washington State's Public Disclosure Commission asked Attorney General Rob McKenna to sue a group of investors connected to TME Capital Group for allegedly hiding $60,000 in illegal campaign contributions used to influence 2001 Des Moines City Council elections. The investors were backing a business venture tied to the controversial third runway at Seattle-Tacoma International Airport and sought to elect council candidates favorable to the project. The scheme involved funneling money through shell entities and converting it to anonymous cashier's checks to conceal the donors' identities, part of a broader pattern of campaign finance violations in Des Moines linked to the Sea-Tac runway fight.
    TagsConveyor, Des Moines, Don Wasson, Seattle Times, Third RunwayFolderConveyor
  • 2005-03-01

    Third Runway Construction Traffic: Fill Dirt Complaints and Data Report, March 2005

    During March 2005, construction of Seattle-Tacoma International Airport's third runway was approximately 60% complete, with trucks making over 28,000 trips and hauling nearly 859,000 tons of fill material from multiple pits in the region. Community concerns arose in late 2004 about construction truck traffic on SR 518 and SR 509, including complaints of speed-limit violations, uncovered loads, spilled materials, and possible overweight vehicles, prompting a state legislator to contact the Washington State Patrol about enforcement. The project also generated 119 damage claims from the public since hauling began in June 2004, with 44 claims settled between the contractor and the Port.
    TagsDave Upthegrove, Fill Dirt, RCAA, Sea-Tac Airport, Third RunwayFolderConstruction

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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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