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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.
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  • Everything you think you know about the airport is wrong.

TagSea-Tac Airport(2025)

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  • 2024-09-07

    Commercial Aircraft On Approach Near Pedestrian Crossing Sign

    A commercial jet aircraft is visible on low final approach over an undeveloped, overgrown lot adjacent to a road. A yellow pedestrian crossing warning sign and a secondary yellow caution sign are mounted on a pole in the foreground, consistent with infrastructure near a major airport flight path.
    Tagsaircraft, Des Moines, Sea-Tac Airport
  • 2024-09-07

    Aircraft On Approach Over Undeveloped Scrubland Near Airport

    A commercial aircraft is visible on final approach in the hazy sky above an overgrown, undeveloped parcel with gravel ground cover and scattered shrubs and trees. The proximity of the low-flying aircraft and the disturbed, vacant land character are consistent with property in the flight path corridor near a major airport.
    Tagsaircraft, Des Moines, Land, Sea-Tac Airport
  • 2024-09-07

    Commercial Aircraft On Approach Over Vegetated Area Near Sea-Tac Airport

    A commercial passenger aircraft, appearing to display red livery consistent with an Alaska Airlines or Delta Air Lines livery, is captured on final approach descent above a dense tree line and overgrown vegetation. A guardrail is visible in the foreground, suggesting the photo was taken from a roadside or elevated embankment in the airport vicinity.
    Tagsaircraft, Des Moines, Noise, Sea-Tac Airport
  • 2024-09-07

    S 211th Street intersection near Sea-Tac Airport industrial area

    View from a pedestrian path at the intersection of S 211th Street and an avenue (partially visible street sign), showing a chain-link fence, undeveloped vegetated land, and a commercial/industrial building with a FedEx vehicle visible in the background. The area is consistent with the industrial zone near Seattle-Tacoma International Airport.
    TagsDes Moines, FedEx, Sea-Tac Airport
  • 2024-09-05

    HAWKZ Eight Arrival (RNAV) — Transition Routes, Seattle-Tacoma International Airport

    The HAWKZ Eight Arrival (HAWKZ8) is a standard terminal arrival route (STAR) used to guide aircraft into Seattle-Tacoma International Airport (SEA) from multiple directions, including transitions from waypoints such as Battle Ground, Klamath Falls, and Lakeview. The procedure requires RNAV 1 capability (DME/DME/IRU or GPS) and radar, and directs jet aircraft to descend via Mach number until intercepting 280 knots. Aircraft follow a series of waypoints and altitude restrictions, ultimately converging at the HAWKZ fix at 12,000 feet and 270 knots before continuing to the airport.
    TagsATC, FAA, Map, Sea-Tac Airport
  • 2024-09-05

    HAWKZ Eight Arrival (RNAV) — Transition Routes, Seattle-Tacoma International Airport

    FAA instrument procedure chart AL-582 for the HAWKZ EIGHT ARRIVAL (RNAV) STAR (Standard Terminal Arrival Route) serving Seattle-Tacoma International Airport (KSEA/SEA), Seattle, Washington. Published NW-1, effective 20 FEB 2025 to 20 MAR 2025, amended 05SEP24. Depicts transition routes from LATAY, KRIEG, KNGDM, BLYTZ, LKV (Lakeview), LMT (Klamath Falls), and BTG (Battle Ground) fixes to the
    TagsATC, FAA, Map, Sea-Tac Airport
  • 2024-09-04

    Resolution 24-9-4C: Settlement Agreement and Release — Highline Water District and Port Of Seattle Regarding Tyee Well PFAS Contamination

    Highline Water District reached a settlement with the Port of Seattle after PFAS chemicals, likely originating from Seattle-Tacoma International Airport operations, were found to have contaminated the District's Tyee Well, forcing the District to suspend well operations in June 2022. The contamination required the District to purchase more expensive replacement water from Seattle Public Utilities, and new EPA regulations finalized in 2024 further prohibited resuming well use without installing costly treatment facilities. The two parties negotiated a mutual release of claims to resolve the District's operational and financial losses resulting from the contamination.
    TagsHighline Water District, PFAS, Port Of Seattle, Sea-Tac Airport, Washington State Department Of Health, Water Quality
  • 2024-08-26

    Port of Seattle Updates (outage)

    Currently the Port of Seattle/Seattle-Tacoma International Airport (SEA) website is down as part of the system outages that began Saturday, August 24. Until the website is fully restored, please check this page for official statements and updates. The Port of Seattle is experiencing certain system outages, indicating a possible cyberattack. The Port isolated critical systems
    CategoriesFrom The Web TagsPort Of Seattle, Sea-Tac Airport
  • 2024-08-25

    Sea-Tac Airport officials confirm cyberattack disrupted service, websites

    By  Caitlyn Freeman  and  Rebecca Moss Seattle Times staff reporters Seattle-Tacoma International Airport officials confirmed Sunday that an apparent cyberattack took down websites, email and phone services at the airport and Port of Seattle this weekend, disrupting travel plans. The outages were first reported Saturday morning and stretched into Sunday afternoon, with officials offering no
    CategoriesFrom The Web TagsPort Of Seattle, Sea-Tac Airport, Seattle Times
  • 2024-07-11

    SEATTLE-TACOMA INTERNATIONAL (KSEA) Runway Information Seattle, WA

    Runway Information for SEATTLE-TACOMA INTERNATIONAL Airport (SEA) 16L/34R 16C/34C 16R/34L ID Dimensions Surface Weight Bearing Capacity 16L/34R 11901 ft x 150 ft / 3627.4 m x 45.7 m Bituminous Concrete (grooved), Excellent Condition Single Wheel 120.0 Double Wheel 250.0 Double Tandem 550.0 Dual Double Tandem 1120.0 16L/34R Details Title 16L 34R Latitude 47-27-49.6628N 47-25-52.2202N Longitude
    CategoriesFrom The Web TagsGlide Slope, GlobalAir.com, KSEA, Sea-Tac Airport

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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
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    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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