CLASS B Airspace

Class B (Bravo) airspace surrounds the busiest airports in the nation, such as:

  • LAX​ (Los Angeles)

  • San Diego

  • DFW (Dallas Fort Worth)

  • Miami

  • Chicago​

These airports have an Air Traffic Control Tower, which makes Class B controlled airspace.

  • Bravo airspace is shown by solid blue line's on VFR sectional charts. ​ ​​

NOTE: Don’t get confused with the light blue lines of victory airways with the blue lines of Class B airspace.

LAX Class B airspace

Class B airports are the same as Class C and Class D, when referring to ATC. The only difference with Class B is that, after takeoff the Tower hands you over to Departure Control. Departure and Approach control are the same, we just call the ATC controller departure when we are leaving the airport and approach for arrival to land.

Airspace Dimensions:

Bravo airspace is from the Surface (SFC) up to 10,000 feet MSL. The altitude of the airspace is shown in MSL (measured sea level) on the VFR sectional charts.

  • Customizable shape airspace that resembles an "upside down wedding cake".

Entry Requirements:

  • Student pilots must have an endorsement in there logbook from a CFI.

  • Establish and maintain 2 way radio communication with approach control is required before entering the airspace.

  • A clearance is required from approach control to enter the Bravo airspace.

  • MUST HEAR the words from ATC "Cessna RHA123 Cleared into Class Bravo airspace".

  • If you do not here the words from ATC, you CAN NOT enter Class Bravo airspace.

  • If ATC responds back with "RHA123, Standby". You CAN NOT enter Class Bravo airspace, even though 2-way communication has been established with ATC.

  • Mode C Transponder is required within the Mode C veil 30NM radius

Class B Weather Minimums:

  • 3 SM (Statute Miles) of visibility

  • Remain Clear of Clouds


Private Pilot ACS PA.I.E.K1 - PA.I.E.K3

AIM Sec. 3-2-2, 3-2-3, 3-2-4, 3-2-5, 3-2-6, 3-3-1

FAR Part 91.225

Airspace - Study Guide
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