02 · Airspace Classification
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Every Layer Carries Intent

N 38° 54' — W 077° 03'

Magenta marks the open sky

Class E surface areas and 700-ft transitions in non-towered airspace, drawn where pilots need the most situational awareness.

Blue rings demand clearance

Towered airports from Class D through Class B — each boundary is a standing instruction to contact approach control.

Yellow means people below

Urban and populated areas tinted to show exactly where controlled airspace density clusters around population centers.

Tan reads the earth itself

Hypsometric terrain bands from sea level to 12,000 ft provide instant elevation awareness without a single contour number.

This is the Aeronautical Chart design system, applied by Curio Design — a design-style library for AI agents. Full Aeronautical Chart guide → designbycurio.com/learn/aeronautical-sectional-chart