Home › Part 107 Practice Tests › Airspace & Flight Restrictions Questions › Question 8
What are the dimensions of the shelf area of Class C airspace?
- A.A 10 NM radius extending from 1,200 feet to 4,000 feet AGL
- B.A 5 NM radius extending from the surface to 1,200 feet AGL
- C.A 20 NM radius extending from 700 feet to 4,000 feet AGL
Correct answer
A. A 10 NM radius extending from 1,200 feet to 4,000 feet AGL
Why
The Class C shelf is a 10 NM radius ring that begins at 1,200 feet AGL and extends up to 4,000 feet AGL. The inner 5 NM core, not the shelf, reaches down to the surface.
Source: FAA-G-8082-22 Ch. 2 · ACS knowledge area: Airspace Classification and Operating Requirements · From the Airspace & Flight Restrictions practice bank (AIR-008).