Controlled Airspace

Question 1

Class A

Answer 1

From 18,000 feet to 60,000 feet, all over the US.

Question 2

Class B

Answer 2

0 to 10,000 feet, surrounding major airports.

Consists of multiple layers, like an upside-down wedding cake.

Question 3

Class C

Answer 3

Surrounding airports with a control tower, radar, and over a specific amount of traffic. Usually 5NM (nautical mile) radius from 0 to 4,000 feet, and a 10NM radius from 12,000 to 4,000 feet.

Question 4

Class D

Answer 4

Surrounding airports with a control tower. 0 to 2,500 feet, no specific radius, just shaped around flight patterns. Outside control tower hours, Class D airspace is Class G.

Question 5

Class E

Answer 5

From 1,200 feet to 18,000 feet.

Question 6

Class G

Answer 6

Uncontrolled airspace

(below class E airspace)

Question 7

Which airspace is the most restricted?

Answer 7

Class B

Question 8

Which airspace is the least restricted?

Answer 8

Class E

Question 9

Which airspace requires authorization from ATC

(air traffic control)

Answer 9

Class B, C, D