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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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  • 2009-07-01

    Washington Aviation System Plan: Long-Term Air Transportation Study

    The Washington Aviation System Plan is a Long-Term Air Transportation Study published in July 2009 by the Washington State Department of Transportation (WSDOT Aviation), partially funded by an FAA planning grant and Washington State grants. It was developed in collaboration with a consulting team including SH&E, WHPacific, URS Corp., PRR, and Cambridge Systematics, with input from airport sponsors and a Technical Advisory Committee. The plan examines Washington State's aviation system needs and future development, though its contents do not represent official FAA policy or commitments to specific development projects.
    TagsAIP, FAA, Washington Aviation System Plan, WASP, WSDOTFolder2009
  • 2009-01-01

    Compilation of noise programs in areas outside DNL 65

    This 2009 report from the Airport Cooperative Research Program (ACRP) examines how airports across the country manage aircraft noise in communities that fall outside the standard DNL 65 decibel threshold typically used in federal noise policy. Compiled by consultants from Harris Miller Miller & Hanson, Inc., the synthesis documents real-world airport practices for addressing noise concerns in lower-noise areas that are nonetheless affected by flight operations. The findings are intended to help airport operators, planners, and policymakers develop more responsive and comprehensive noise mitigation strategies beyond federally mandated boundaries.
    TagsAirport Cooperative Research Program, DNL65, FAA, Noise Mitigation, Transportation Research BoardFolderStudies
  • 2008-11-10

    Federal Aviation Administration record of approval 14 CFR Part 150 Noise compatibility program ronald reagan washington national airport

    FAA record of approval for Ronald Reagan Washington National Airport’s Noise Compatibility Program under 14 CFR Part 150. The document evaluates eight noise abatement measures and six noise mitigation measures, with the FAA providing approvals and disapprovals for various proposed actions.
    TagsAirport Noise Law, FAA, Part 150, Reagan National AirportFolderReagan D.C.
  • 2006-05-24

    Sea-Tac Airport Flight Track Map: South Flow Jet Deviations Due to Weather, May 24, 2006

    This Port of Seattle document shows a flight-track map of Seattle-Tacoma (Sea-Tac) Airport activity on May 24, 2006, between 5:45 p.m. and 8:30 p.m. During this period, south-flow jet aircraft deviated from their standard routes due to weather conditions, as confirmed by the FAA. The map distinguishes arrivals, departures, fly-overs, training flights, and overshoots by color, illustrating how unusual flight paths spread noise impacts across a wider area of the surrounding region.
    TagsFAA, Flight Tracks, Map, Port Of Seattle, Sea-Tac AirportFolderFlight Tracks
  • 2006-04-28

    National Environmental Policy Act (NEPA) implementing instructions for airport actions

    ★
    FAA Order 5050.4B, effective April 28, 2006, provides the Federal Aviation Administration's Office of Airports with instructions for evaluating the environmental impacts of major federal actions at public-use airports, in compliance with the National Environmental Policy Act (NEPA). It updates and replaces the previous Order 5050.4A ('Airports Environmental Handbook'), which had been in use for over 20 years. The order covers processes for analyzing environmental effects, including noise impacts, associated with airport development actions such as runway extensions and other airport improvements.
    CategoriesKey Documents TagsFAA, NEPAFolderFAA
  • 2006-03-30

    Sea-Tac International Airport acoustical insulation AIP project no. 3-53-0062-77 financial statement

    The Federal Aviation Administration approved a total grant payment of $4,935,000 to the Port of Seattle for AIP Project Number 3-53-0062-77, covering acoustical insulation work at Seattle-Tacoma International Airport. Out of $6,476,538.99 in claimed costs, $6,168,750.00 was deemed allowable after disallowing $307,788.99, with the federal share set at 80%. The Port of Seattle submitted closeout documentation in March 2006, though a Circular A-133 audit by Deloitte & Touche and final acoustic test results for Seawind Condominiums were still pending completion at the time of closure.
    TagsAIP, FAA, Port Of Seattle, Sea-Tac Airport, Sound InsulationFolderSP #1
  • 2005-10-21

    ESSB 5121, Statewide air transportation capacity study summary brief

    In 2005, Washington State passed ESSB 5121, directing the Washington State Department of Transportation (WSDOT) to conduct a multi-phase statewide air transportation capacity study covering both commercial and general aviation airports. The study required an assessment of existing airport facilities and capacity (Phase 1, due July 2006), followed by a 25-year demand and market forecast analysis with focused attention on the Puget Sound region (Phase 2, due July 2007). A 10-member Governor-appointed aviation planning council would then review the findings and make recommendations on how to meet the state's long-term aviation capacity needs, including identifying sites for future airport facilities.
    TagsFAA, General Aviation, RCAA, Washington Aviation System Plan, Washington State Legislature, WSDOTFolderRCAA
  • 2005-08-18

    Part 161 Summit agenda

    This document is an agenda and discussion outline from the Part 161 Summit held on August 18, 2005, in Denver, Colorado, focused on airport noise use restrictions. It covers topics including the Naples Municipal Airport's experience with a noise ban, the legal and factual requirements needed to justify aircraft use restrictions, and alternative paths to noise relief such as grandfathering, Part 150 programs, and federal legislation. Key criteria for imposing Stage 3 noise restrictions under the Noise Act and FAR Part 161 are outlined, including ensuring restrictions are reasonable, non-discriminatory, and do not unduly burden interstate commerce or the national aviation system.
    TagsAirport Noise Law, FAA, Naples, Part 161FolderSP #2
  • 2005-06-24

    ESSB 5121 proposed project schedule, Phase I: Airport facility, air cargo, passenger, and air space capacity assessment

    This draft project schedule outlines the planned timeline for Phase I of Washington State's airport facility, air cargo, passenger, and airspace capacity assessment under ESSB 5121, running from May 2005 through August 2006. Key milestones include advertising for a consultant, developing a detailed scope of work, securing an FAA grant, and completing a final Phase I report by July 1, 2006. WSDOT Aviation was responsible for submitting the findings to legislative committees, the governor, transportation commission, and regional planning organizations.
    TagsAirspace Study, Capacity, FAA, RCAA, Washington State Legislature, WSDOTFolderRCAA
  • 2004-09-01

    FAR Part 150 advisory committee’s final recommendations to the Metropolitan Washington airports authority

    Final recommendations from the FAR Part 150 Advisory Committee to update the Federal Aviation Regulations Part 150 Noise Compatibility Program for Ronald Reagan Washington National Airport. The document outlines 14 measures for noise abatement and mitigation, including advanced navigation procedures and air traffic control training for flights along the Potomac River corridor.
    TagsFAA, Part 150, Reagan National AirportFolderReagan D.C.

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Upcoming Events

  • Part 150 NCP Workshop — Burien
    Add to CalendarMSaturday Oct 17: 10:00am

    Attend a Port of Seattle open house on the Part 150 Study Noise Compatibility Program (NCP). The Part 150 program determines the noise boundary around the airport and opportunities for noise mitigation such as sound insulation.

    [...]
  • Part 150 NCP Workshop — SeaTac
    Add to CalendarMMonday Oct 19: 6:00pm

    Attend a Port of Seattle open house on the Part 150 Study Noise Compatibility Program (NCP). The Part 150 program determines the noise boundary around the airport and opportunities for noise mitigation such as sound insulation.

    [...]
  • Part 150 NCP Workshop — Des Moines
    Add to CalendarMTuesday Oct 20: 6:00pm

    Attend a Port of Seattle open house on the Part 150 Study Noise Compatibility Program (NCP). The Part 150 program determines the noise boundary around the airport and opportunities for noise mitigation such as sound insulation.

    [...]

[See all...]


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.
read more...

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.
continue...

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