Aviation Maintenance Technician Handbook—General (2025)

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This handbook FAA-H-8083-30B is current in 2025.

The FAA Aviation Maintenance Technician Handbook—General is designed for use by instructors and applicants preparing for the FAA Knowledge Exam and Oral & Practical (O&P) Exams required to obtain an Aviation Mechanic Certificate with Airframe and/or Powerplant Ratings (also called an A&P license). Developed as one in a series of handbooks for this purpose, this is an effective text for both students and instructors and will also serve as an invaluable reference guide for current technicians who wish to improve their knowledge.

This general handbook provides the basic information on principles, fundamentals, and technical procedures in the subject matter areas relating to the aviation mechanic general curriculum. Subjects covered include: safety, ground operations, and servicing; regulations, maintenance forms, records, and publications; mathematics in aviation maintenance; aircraft drawings; physics for aviation; aircraft weight and balance; aircraft materials, hardware, and processes; cleaning and corrosion control; fluid lines and fittings; inspection concepts and techniques; hand tools and measuring devices; fundamentals of electricity and electronics; mechanic privileges and limitations; and human factors.

Reflecting current technologies, equipment and procedures, the 2023 edition provides the guidance to support the FAA Aviation Mechanic Airman Certification Standards (ACS) and 14 CFR Part 147 Aviation Maintenance Technician Schools. Illustrated throughout with detailed, full-color drawings and photographs, the handbook also offers a comprehensive glossary and index.