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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.

TagRunways(153)

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  • Runway Diagram

    Aerial photograph of an airport runway with labeled markings including Threshold, Centerline, Aiming Point, Landing Designator, Touchdown Zone Markings, Edge Markings, and Blast Pad. The runway designator visible is '13R', but the specific airport is not confirmed from visible text alone.
    TagsFAA, Runways, Sea-Tac Airport
  • 2023-08-22

    Seattle-Tacoma International Airport map

    This document is an airport diagram of Seattle-Tacoma International Airport showing runways, taxiways, run-up areas, and terminal facilities. Handwritten annotations in red ink reference noise abatement procedures, including a note about 'General Aviation' operations and restrictions on runways, specifying limits such as '650 landings' and directions (East/West). Additional handwritten notes at the bottom outline runway use prohibitions from 10 PM to 6 AM, with exceptions for 50% power run-ups and full-power checks limited to 2 minutes.
    TagsAirport Layout Plans, General Aviation, Map, Runways, Sea-Tac Airport
  • 2023-07-18

    Paine Field Aerial View

    Aerial photograph looking north showing Paine Field (KAWO/PAE) with runway 34 threshold markings visible in the foreground, and the Boeing Everett production facility — the world's largest building by volume — visible in the background with characteristic blue-roofed structures. Puget Sound and the city of Everett are visible in the upper background. This facility is distinct from Sea-Tac Airport.
    Tagsaircraft, Airport, Airport Expansion, Runways
  • 2023-06-07

    Highline Forum: Are arrivals lower now than they were a couple of years ago?

    A Highline Forum presentation examining whether aircraft arrival numbers at Seattle-Tacoma International Airport have decreased compared to a few years earlier. The analysis uses one month of arrival flight track data from June 2013, June 2015, and June 2017 across Sea-Tac's three parallel runways (16L/34R, 16C/34C, and 16R/34L). June was chosen as a representative month because it typically features a balanced mix of north and south flow operations, Instrument Landing System (ILS) and visual approaches, and an average volume of aircraft traffic.
    TagsFlight Tracks, Highline Forum, Port Of Seattle, Runways, Sea-Tac Airport
  • MSE wall cross-section, Miller Creek buffer — Third Runway embankment

    Engineering cross-section drawing labeled 'Exhibit 2: Aircraft Adjacent to 179 Drop From Third Runway,' produced by the Port of Seattle / Sea-Tac International Airport for the Miller Creek Instream and Buffer Enhancements project. The drawing (sheet 291Z81C17, detail S11A-XXXI-C11) shows the embankment profile with an MSE retaining wall, replacement channel, silt fence, security road, rock underdrain, and a minimum 50-foot creek buffer for Miller Creek, with elevation and horizontal scales and a wide-body aircraft silhouette for scale reference.
    TagsMechanically Stabilized Earth, Miller Creek, Port Of Seattle, Runways, Sea-Tac Airport, Third Runway
  • Aging, unreliable runway safety device leaves U.S. airports vulnerable

    By Alan Levin  A crucial safety system that’s relied on to avoid potentially fatal collisions at major U.S. airports is aging and plagued by outages that have left travelers unprotected for months at a time. At some airports, it hasn’t ever been installed. The technology — which tracks vehicles on or near runways to alert
    CategoriesFrom The Web TagsAirport Surface Detection Equipment, ASDE, Bloomberg, FAA, Runways, Safety, Seattle Times
  • Sea-Tac Airport Satellite Overview — Three Parallel Runways and Terminal Complex

    Google Earth satellite image of Seattle-Tacoma International Airport (Sea-Tac), showing the airport's three parallel runway system, terminal complex, concourses, and surrounding communities in SeaTac, Washington. The airport name label and Google Earth watermark are both visible in the image.
    TagsMap, Runways, Sea-Tac Airport
  • Future Sea-Tac Airport Expansion — Independent Runway Plans East (Runway B, 1 Mile) and West (Runway A, 4,300 ft) of 34R

    Architectural/planning drawing titled 'Future Sea/Tac Airport Expansion with an Independent Runway One Mile East of 34R,' showing Plan A layout with an independent runway 4,300 feet west of runway 34R. The drawing, credited to Don Getsick, depicts proposed runways (East Runway B, West Runway A), taxiways, satellite terminals, tramway, underground tram, off-site parking/hotel/business core, and surrounding streets including International Blvd, Des Moines Way S, and 1st Ave South, with Angle Lake and Bow Lake visible.
    CategoriesHistory TagsAirport Expansion, Airport Layout Plans, Fourth Runway, Map, Runways, Sea-Tac Airport
  • Detroit Metro Airport (DTW)

    Overhead aerial photograph showing a large commercial airport with multiple parallel runways, terminal complexes, and taxiway systems embedded within a flat, densely developed suburban landscape. No visible text, watermarks, or captions are present to confirm the specific airport identity, though the runway configuration and surrounding grid pattern are consistent with a major Midwestern U.S. hub airport.
    TagsAirports, Detroit, Detroit Metro Airport, DTW, Runways
  • 2022-12-02

    Future Sea-Tac Airport Expansion — Independent Runway Plans East (Runway B, 1 Mile) and West (Runway A, 4,300 ft) of 34R

    This document presents two conceptual expansion plans for Seattle-Tacoma (Sea-Tac) Airport, showing proposed future runway configurations including an independent runway located one mile east of runway 34R (Plan A shows an alternative 4,300 feet west of 34R). The drawings detail proposed taxiways, satellite terminals, a future commuter runway, an underground tram system, and associated ground infrastructure such as off-site parking and hotel/business core areas. These plans were likely developed as part of noise and capacity planning studies to evaluate how additional independent runways could affect surrounding communities, including areas near Angle Lake, Bow Lake, and along key corridors such as International Boulevard and Des Moines Way South.
    TagsMap, Runways

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  • StART SEA Stakeholder Advisory Round Table
    Add to CalendarMWednesday Aug 26, 5:00pm - 7:00pm
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    START meetingagenda 2026826 final 0 pdf

    Meeting Objectives Introduce the primary feedback themes identified by StART members regarding StART’s Operating Procedures and determine areas that may warrant future discussion. 5:00 PM – Welcome Meeting Management Welcome Lead: Andrés Mantilla, Facilitator, Uncommon Bridges; Wendy Reiter, Airport Managing Director, POS 5:15 PM – Dinner: All participants eat. 5:30 PM – StART Operating Procedures

    [...]
  • Commercial Aviation Work Group
    Add to CalendarMThursday Sep 3, 10:00am - 1:30pm
    Virtual Meeting (Zoom)
    Cawg agenda sep 3 26 virtual pdf

    Meeting Agenda 10:00 a.m. – 10:15 a.m. | Welcome – Evan Nordby, Chair a. Introductions and Agenda Reviewb. Status of appointments and non-voting member invitationsc. Other updates as necessary 10:15 a.m. – 11:00 a.m. | Is it practical and legal to operate the western Washington [Puget Sound] airports as a single airport system? – Consultant

    [...]

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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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