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Sea-Tac Communities Plan: North Reinforcement Area Program Application
A planning map from the Sea-Tac Communities Plan showing the north reinforcement area program application, sponsored by the Port of Seattle and King County. The map uses color coding to indicate different program designations including acquisition, purchase guarantee, cost-sharing insulation, and limited cost-sharing insulation across a grid of residential cells. Key landmarks shown include Cedarhurst -
Map of Sea-Tac and KCIA DNL contours with Port of Seattle Noise Monitors
A map of the greater Seattle-Tacoma area showing Seattle-Tacoma International Airport (SEA) 1991 and 2032 DNL65 noise contours alongside King County International Airport (KCIA) DNL65 and DNL70 contours. Port of Seattle permanent and portable noise monitors (2020-2022) are plotted across the region. Runway geometry markers for KCIA and COTKU are also shown. -
2026-04-23Upgrade SEA Airport Improvement Map
An aerial view map of Sea-Tac Airport showing various infrastructure improvement projects including baggage optimization, concourse expansions, terminal improvements, runway underground controls replacement, and other modernization initiatives. The map displays the airport layout with labeled improvement areas and the “Upgrade SEA” branding. -
2026-04-212024 South Flow Noise Abatement Procedures graphic
An aviation chart showing noise abatement procedures for south flow operations for Sea-Tac Airport, depicting aircraft flight paths, arrival and departure corridors, and specific locations including the 520 bridge area. The chart includes reference points at 5 nautical miles and 3,000 feet altitude. -
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 -
2026-02-19When Federal environmental maps go dark
The benefits and consequences for airport communities In January 2025, the Trump administration began removing content from federal websites following Executive Order 14151. The order directed all government agencies to terminate DEI and environmental justice–related programs. These include environmental justice and climate mapping using a nationally consistent dataset for evaluating the socioeconomic impacts of airports. -
EJScreen Environmental Justice Screening and Mapping Tool (Version 2.3)
This is an 1unofficial copy of EJScreen hosted by the Public Environmental Data Partners. Some links and text may incorrectly suggest that this site is affiliated with the US Government. The EJScreen Tool was an EPA web application taken down in January of 2025 as part of Executive Order 14151. It was described as “an -
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