
This document presents FAA density guidelines for the North Sea-Tac Park area near Seattle-Tacoma International Airport, showing recommended population limits per acre across different zones. Areas closest to the runway are designated as a 'Clear Zone' allowing only 1.5 people per acre, while an 'Extended Clear Zone' permits 2 people per acre, and surrounding residential areas are limited to 20–40 people per acre. A gymnasium on the map is noted as accommodating 60 people during games, illustrating how the guidelines account for concentrated gatherings near airport flight paths.Open full document
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A map showing FAA density guidelines for the North Sea-Tac Park area, depicting population density limits in people per acre across different zones. The map identifies a Clear Zone (1.5 people per acre), Extended Clear Zone (2 people per acre), and surrounding areas with 20-40 people per acre density limits, along with a gymnasium noted as accommodating 60 people at games.