• DNL65 overlay Area of Potential Effect (APE)

    Google Earth satellite image showing the Seattle-Tacoma International Airport (Sea-Tac) area with a red shaded overlay indicating a noise impact or flight path zone, and a blue outline delineating the airport property boundary. Visible highway labels include I-5, SR-509, SR-518, SR-516, and SR-99, placing the map in the SeaTac/Burien/Des Moines area of King County, Washington.
  • SAMP Draft EA: Our running list of questions

    The one thing we hear over and over from community members re. the SAMP Draft EA is “What do I say?” “How do I get started?” We get it. One way we want to help is to provide some of our questions, which we’ll be updating frequently before submitting our full comment before the December
  • Sea-Tac Aircraft Operations Historical Data and Future Projections 2010–2037

    A line chart comparing historical aircraft operations at Seattle-Tacoma International Airport from 2010–2021 with projected operations through 2037 under three scenarios: a 2022 Unconstrained Forecast, a No Action alternative, and a Proposed Action alternative. The chart shows operations peaking near 450,000 in 2019, dropping sharply in 2020 due to the COVID-19 pandemic, then recovering, with the Unconstrained Forecast reaching approximately 560,000 operations by 2037 while the Proposed Action caps near 510,000 and No Action near 475,000.
  • 2024-11-04

    The Cost/Benefit Analysis

    Beyond the usual suspects in the SAMP Draft EA Comment Period During the Sustainable Airport Master Plan Draft EA Comment Period (SAMP) we know most people will focus on the noise and pollution. However, we also hope that readers, and especially cities, will focus on other areas which may prove just as useful in obtaining
  • Public Meeting Attendance Summary Table

    A summary table showing total attendance figures for a public meeting, recording 304 attendees, 133 comment sheets submitted, and 43 people speaking to a court reporter. The presence of a court reporter suggests a formal public hearing or scoping process.
  • 2024-10-31

    As Sea-Tac traffic grows, so does airport communities’ need for relief

    By Brian Davis Special to The Seattle Times The Port of Seattle has unveiled a new Sustainable Airport Master Plan for Seattle-Tacoma International Airport. The plan will enable a huge surge in passenger and cargo traffic over the next decade. Great for the Puget Sound economy. Terrible for thousands of people who live under the
  • SAMP Draft EA Open House Flyer_0002

    A presorted standard mail postcard from the Port of Seattle / SEA Airport (17801 International Blvd., SeaTac, WA 98158) announcing a public comment period from October 21 through December 5, 2024 for the National Environmental Policy Act (NEPA) Environmental Assessment of projects identified in the Sustainable Airport Master Plan (SAMP). The mailer directs recipients to www.sampntpenvironmentalreview.org and notes comments can be submitted at four public meetings, online, by email, or regular mail.
  • SAMP Draft EA Open House Flyer_0001

    A multilingual public notice flyer from Seattle-Tacoma International Airport (SEA) and the Port of Seattle announcing the Sustainable Airport Master Plan (SAMP) public comment period opening October 21, with four public meetings scheduled November 12–16, 2019 at locations including Wildwood Elementary (Federal Way), Mt. Rainier HS (Des Moines), Highline HS (Burien), and McMicken Heights Elementary (SeaTac). The flyer directs the public to www.sampntpenvironmentalreview.org and is printed in English, Spanish, Chinese, Korean, Amharic, Somali, and Vietnamese.
  • No-Significant-Impacts-Montage-2024 10 22 SM Packet Supplemental-(11a-SAMP-EA-Presentation)

    This document summarizes environmental resource categories (Air Quality, Climate, Noise and Noise-Compatible Land Use) with less than significant impacts under three alternatives for Seattle-Tacoma International Airport (SEA), comparing No Action, Proposed Action, and Hybrid Terminal Option. It also outlines cumulative impacts definitions, noting no significant impacts, with past projects defined as 2017–2021, present projects as 2022–2025, and reasonably foreseeable future projects as 2026–2032 per SEA's Capital Improvement Plan (CIP).
  • Cover Table of Contents and Acronyms_1

    Cover page of the Draft Environmental Assessment for the Sustainable Airport Master Plan Near-Term Projects at Seattle-Tacoma International Airport, Seattle, Washington, dated October 2024. Prepared by Landrum & Brown, Incorporated for the Port of Seattle and the U.S. Department of Transportation Federal Aviation Administration as lead Federal Agency under the National Environmental Policy Act of 1969.