Class C airspace surrounds airports that have an operational control tower, are serviced by radar approach control, and have a certain number of IFR operations or passenger enplanements. Class C consists of:

  • A 5 NM radius surface area that extends from the surface to 4,000 ft. above the airport elevation.
  • A 10 NM radius shelf area that extends from 1,200 ft. to 4,000 ft. above the airport elevation.

Class C Operating Rules and Equipment Requirements (FAR 91.130)

  • Two-way radio communication must be established and maintained with ATC before entering and while operating in Class C airspace.

  • Mode C transponder is required within and above the lateral limits of Class C airspace.

Class C Airspace Depiction and Symolology

  • Class C airspace is depicted with solid magenta radials and arcs

  • The name of the Class C airspace is shown in magenta block letters, all capitalized 

  • The MSL ceiling and floor altitudes are shown in solid magenta figures 

  • Approach control frequencies for the Class C are shown in magenta boxes 

Class C airspace

Ready to learn?

{"email":"Email address invalid","url":"Website address invalid","required":"Required field missing"}