Aviation Maintenance Technician General, Airframe, and Power-Plant Knowledge Test Guide: The general qualifications for an aviation maintenance technician certificate require you to have a combination of experience, knowledge, and skill. If you are pursuing an aviation maintenance technician certificate with airframe and powerplant ratings, you should review the appropriate sections of Title 14 of the Code of Federal Regulations (14 CFR) part 65 for detailed information pertaining to eligibility requirements. This book provides information for preparing you to take one or all of the following knowledge tests. This document supersedes FAA-G-8082-3, Aviation Mechanic General, Airframe, and Powerplant Knowledge Test Guide, dated 19 TEST NAME TEST CODE Aviation Maintenance Technician—General AMG Aviation Maintenance Technician—Airframe AMA Aviation Maintenance Technician—Powerplant AMP The minimum passing score is 70 percent. Federal Aviation Administration (FAA) airman knowledge tests are effective instruments for aviation safety and regulation measurement. However, these tests can only sample the vast amount of knowledge every aviation maintenance technician needs.