AIRSPC

Question 1

What is the definition of Class A airspace?

Answer 1

Class A airspace
Controlled airspace, including airspace overlying waters within 12 nautical miles of the coast of the 48 contiguous States, from 18,000 feet MSL to and including FL600 excluding Alaska and Hawaii.

§71.33 Class A airspace areas.

Question 2

What is the definition of Class B airspace?

Answer 2

Class B airspace
Controlled airspace encompassing at least one primary airport around which the airspace is designated, from the surface to typically 10,000’ MSL.

§71.41 Class B airspace.

Question 3

What is the definition of Class C airspace?

Answer 3

Class C airspace
Controlled encompassing at least one primary airport around which the airspace is designated. Surface to 4,000’ AGL with a core area 4-5 NM diam, a shelf floor at 1,200’ AGL, and shelf 10 NM diam.

§71.51 Class C airspace.

Question 4

What is the definition of Class D airspace?

Answer 4

Class D airspace
Controlled airspace encompassing at least one primary airport around which the airspace is designated. 4-5 NM diam surface to 2,500’ AGL

§71.61 Class D airspace.

Question 5

What is the definition of Class E airspace?

Answer 5

Class E airspace
Controlled airspace, including airspace overlying the waters within 12 nautical miles of the coast of the 48 contiguous states and Alaska, extending upward from either 700 feet AGL or 1,200 feet AGL up to, but not including FL180, and airspace above FL600.

§71.71 Class E airspace.

Question 6

What is RVSM?

Answer 6

Reduced Vertical Separation Minimums (RVSM) is special aircrew, aircraft, and operator certification airspace at and above FL290 to and including FL410.