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Controlled Airspace

- Class A From 18,000 feet to 60,000 feet, all over the US.
- Class B Surrounding major airports, 0-10,000 feet. Consists of multiple layers, like an upside-down wedding cake. Most restricted. (Must get ATC authorization)
- Class C Surrounding airports with a control tower, radar, and over a specific amount of traffic. Usually 5 NM (nautical mile) radius from 0-4,000 feet, and a 10 NM radius from 1,200-4,000 feet. (Must get ATC authorization)
- Class D Surrounding airports with a control tower. 0-2,500 feet, no specific radius, just shaped around flight patterns. Outside control tower hours, Class D airspace is Class G. (Must get ATC authorization)
- Class E Usually it starts at 1,200 feet and goes up to 18,000 feet. Least restricted
- Class G Uncontrolled airspace (below class E airspace).
Created by: rrgreenphoto