• The Airport Law Cheat Sheet

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    It’s complicated I. Noise & Land Use Compatibility Aviation Safety & Noise Abatement Act (ASNA, 1979 / effective 1980) Foundation for standardized aircraft-noise metrics and land-use guidance; statutory basis for Part 150 NEM/NCP. faa.gov 49 U.S.C. §§ 47501–47510 — Airport Noise & Capacity Act (ANCA, 1990) National noise policy; authority for airport noise programs and
  • Third Runway Decision Process (PSRC)

    You can’t follow the game without a program Financing the Third Runway was unlike any other airport expansion–including the SAMP. In order to obtain federal funding, the Port was required to obtain an elaborate set of approvals from a regional agency most people are unfamiliar with–the Puget Sound Regional Council. In the broadest possible strokes,
  • Minutes of Quiet by Noise Monitor

    I need a break We all know that the noise is bad for human health–not merely ‘annoying’. We know that nighttime flights are especially bad due to sleep disruption. And we know that the gap between flights keeps shrinking as the number of operations increases. This report show you the amount of time between flights
  • 2026-07-04

    SAMP NTP: 31 projects by the numbers

    It’s all about construction permits The Sustainable Airport Master Plan Near Term Projects Draft Environmental Impact Statement is a description of the effects of the largest expansion in airport history. But at bottom, it consists of thirty-one construction projects. What we find striking is the absence of detail on most of those projects. In most
  • Everything you ever wanted to know about Flight Paths

    You can think of any major airport as the most extravagant short-term parking lot imaginable, with an equally extravagant quickie-mart. Both are connected to a 1super-highway. But instead of one on and off ramp, there are many known as Standard Instrument Departures (SIDs) and Standard Terminal Arrival Routes (STARs). SIDs are the flight procedures that
  • The Grant Explainer

    The current Port of Seattle grant programs began in 2016 with a proposal by Commissioner John Creighton–responding to the uproar over the Flight Corridor Safety Program. As the name implies, the Airport Community Ecology (ACE) Fund (2016–2020) was meant as an environmental grants program. In late 2018 the Port created a separate, much broader South
  • Studies

    The most requested documents–and all related-content
  • Port Properties and Trees mapped

    Properties, trees and the environment around the airport As the icon indicates, this is a beta project, one of a series of visual representations on community impacts. This indicates Port-owned properties around the airport, most purchased with FAA grants. It also displays the status of trees that are subject to removal and/or replacement via the