Airspace and Flight Restrictions

Front

What is Class B Airspace?

Back

'Big City' airports marked by solid blue lines, requires airspace authorization.

Front

What is Class C Airspace?

Back

'City' airports marked by solid magenta lines, requires airspace authorization.

Front

What does 110/SFC mean?

Back

Controlled airspace from the surface up to 11,000 ft. MSL.

Front

What does 110/20 mean?

Back

Controlled airspace from 2,000 ft. MSL up to 11,000 ft. MSL.

Front

What is Class D Airspace?

Back

"Diminutive" or "Dime-Sized" airports marked by dashed blue circles or sets of lines, requires airspace authorization.

Front

What does [25] mean in Class D Airspace?

Back

Class D controlled airspace from the surface up to 2,500 ft. MSL.

Front

What does [-25] mean in Class D Airspace?

Back

Class D controlled airspace from the surface up to (but not including) 2,500 ft. MSL.

Front

What happens when a Class D airport tower is not in operation?

Back

One of the following becomes applicable: a) Class E surface area rules or; b) a combination of Class E rules to 700 feet AGL and Class G rules to the surface.

Front

What is Class E Airspace?

Back

"Elemental" or "Everywhere," is controlled airspace.

Front

How is Class E Airspace at the surface marked?

Back

Marked by a magenta-dashed circle or set of lines. Authorization needed if surrounded by a closed off circle or circle with enclosed extensions.