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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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  • 2022-09-16

    FlightRadar24 Tracking map Chilliwack, BC

    A flight tracking application screenshot displays multiple aircraft (shown as yellow airplane icons) with green flight path trails over the Fraser Valley region, including the cities of Abbotsford and Chilliwack in British Columbia, Canada, and Lynden, Nooksack, and Bellingham in Washington State, USA. The dense looping green trails north of Abbotsford suggest aerial survey or crop-dusting flight patterns, while additional looping patterns are visible south of the US-Canada border near Nooksack.
    TagsAir Traffic Control, Flight Tracks, Map, Puget Sound, TRACON
  • Google Earth Aerial View: Sea-Tac Airport to Maury Island and Des Moines Beach Noise-Impact Study Area

    Google Earth aerial/satellite image showing Seattle-Tacoma International Airport (Sea-Tac) and surrounding communities including Des Moines, Normandy Park, Kent, Maury Island, and Portage, with Interstate 5, SR-509, SR-516, and SR-167 visible. The image includes a yellow pin marker at Sea-Tac Airport and covers the broader noise-impact study area west of Puget Sound to east of the airport corridor.
    TagsDes Moines, Map, Puget Sound, Sea-Tac Airport
  • 2022-09-12

    Sea-Tac area third runway construction map

    This map document illustrates the planned Third Runway expansion at Seattle-Tacoma International Airport, showing the proposed runway location, construction staging area, and fill 'borrow' areas in the Sea-Tac region. The map covers surrounding communities including Burien, Normandy Park, and Des Moines, and highlights nearby waterways such as Des Moines Creek, Miller Creek, and Walker Creek that could be affected by construction. Based on the 1996 Port of Seattle EIS Sea-Tac Airport Master Plan and 1997–1998 King County Wetlands Maps, the document provides geographic context for environmental and land-use planning related to the runway project.
    TagsEnvironmental Impact Statement, Map, Port Of Seattle, RCAA, Sea-Tac Airport, Third Runway
  • North Sea-Tac Park Master Plan (v51) hi-res

    A master plan map of North Sea-Tac Park showing proposed recreational facilities including baseball fields, soccer/football fields, tennis courts, a golf course, bicycle/motocross area, Sunset Complex, and an Aircraft Viewpoint. The map includes a legend distinguishing fences, limits of study, property lines/exempted parcels, and extended clear zones, with SR 518 bisecting the lower portion of the park.
    TagsMap, North Sea-Tac Park, NSTP
  • 2022-08-28

    Jackson International Airport noise remedy update overall program boundaries

    This document presents the Noise Remedy Update for Jackson International Airport (Sea-Tac), operated by the Port of Seattle, outlining the overall program boundaries for noise mitigation efforts in surrounding communities. It includes detailed maps showing three categories of noise remedy zones: Acquisition (properties purchased by the Port), Purchase Assurance (properties guaranteed a buyer), and Sound Insulation (properties eligible for noise-reduction improvements). The affected areas span multiple neighborhoods north and south of the airport, including White Center, Boulevard Park, Normandy Park, Des Moines, and parts of Kent and Renton.
    TagsMap, Noise Mitigation, Noise Remedy Update, Port Of Seattle, Sea-Tac Airport, Sound Insulation
  • 2022-08-27

    F.A.A. density guidelines: North Sea-Tac Park

    This map illustrates the F.A.A. density guidelines for the North Sea-Tac Park area, showing recommended population limits per acre across different airport safety zones. The Clear Zone nearest the runway allows the fewest people (approximately 1.5 per acre), while the Extended Clear Zone permits around 2 people per acre, and surrounding residential areas are guided toward densities of 20 to 40 people per acre. A gymnasium is specifically noted at 60 people during games, reflecting how land use intensity is regulated based on proximity to airport flight paths.
    TagsFAA, FAA Density Guidelines, Map, North Sea-Tac Park, NSTP
  • 2022-08-27

    Sea-Tac Airport Vicinity Map with Notes by Virginia Dana — HB1328 Boundaries

    TagsHB1328, Map, Sea-Tac Airport, Virginia Dana
  • Commercial Aircraft Noise Footprint Comparison-SimpleScanStation20220823204417

    Tagsaircraft, Map, Noise
  • 18-120 DailyFTMbyFlow_Page_16

    Port of Seattle flight track map showing aircraft operations at Seattle-Tacoma International Airport on March 10, 2018, depicting North Flow operations at 78% (756 operations) and South Flow at 22% (219 operations). Green lines indicate departures, red lines indicate arrivals, and blue/gray lines indicate overflights.
    TagsFlight Tracks, Map, Port Of Seattle, Sea-Tac Airport
  • 18-120 DailyFTMbyFlow_Page_18

    Port of Seattle flight track map depicting aircraft operations at Seattle-Tacoma International Airport on March 12, 2018, showing South Flow operations only. On that date, North Flow accounted for 45% of operations (530 flights) and South Flow accounted for 55% (641 flights); arrival tracks are shown in red and departure tracks in green.
    TagsFlight Tracks, Map, Port Of Seattle, Sea-Tac Airport

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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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