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The Pilots Desk
US-FAA14 CFR 91.131

Operations in Class B airspace

Read the official rule

In plain English

To operate in Class B airspace you must receive an ATC clearance ("cleared into the Bravo") before entering, and the aircraft needs a Mode C transponder and ADS-B Out. A private (or higher) certificate is required to land at the busiest Class B primary airports; student pilots need specific training/endorsements and some airports are off-limits to them.

Key points

  • Explicit clearance to enter required — comms alone is not enough.
  • Mode C transponder + ADS-B Out required in and above Class B.
  • Student/recreational pilots have endorsement requirements and some airport restrictions.

Common pitfalls

  • Entering on "radar contact" without the words "cleared into Class Bravo".

*This is a plain-English summary for study only. The official 14 CFR text on this page is controlling — always read the current regulation.*

This is an original plain-English explanation for training and reference, not legal advice and not for navigation. Always rely on the current official rule linked above. Last reviewed June 7, 2026.