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handbook

Pilot’s Handbook of Aeronautical Knowledge

FAA-H-8083-25C Version October 20, 2025

Major Enhancements

This revision of the handbook has only been updated to include the following:

  • Pilot’s Handbook of Aeronautical Knowledge Addendum A, dated February 2021
  • Pilot’s Handbook of Aeronautical Knowledge Addendum B, dated January 2022
  • Pilot’s Handbook of Aeronautical Knowledge Addendum C, dated March 2023
  • Included language to answer National Transportation Safety Board (NTSB) Safety Recommendation (SR) A-21-020

This revision is considered a minor revision. A major revision is underway and is planned for release June 2024.