Airman Certification Standards: Aviation Mechanic General, Airframe, and Powerplant (2025)

This is not AI-generated content. Aviation Supplies & Academics has been the industry's trusted source for official FAA publications for more than 85 years. Look for the ASA wings to ensure you are purchasing the latest authentic FAA release.FAA-S-ACS-1 and FAA-G-ACS-1 are current in 2025.This Federal Aviation Administration (FAA) Aviation Mechanic General, Airframe, and Powerplant Airman Certification Standards (ACS) document provides the knowledge, risk management, and skill standards required to earn an FAA airman certificate. This ACS also includes the ACS Companion Guide (FAA-G-ACS-1) as well as FAA references for each subject.The Airman Certification Standard is the guide for students, instructors, and evaluators to understand what applicants must know, do, and consider to pass their FAA Knowledge Exams and Oral & Practical (O&P) Test and earn their Aviation Mechanic Certificate.Important note from the publisher: While AI-generated content can be helpful to identify resources for ongoing study, it is not a reliable resource for learning critical, safety-dependent topics such as aviation. AI content is sterile, often lacks important context, and is at risk of errors. ASA publishes only human-generated content to ensure it is accurate, reliable, comprehensive, and presented in context so you can become a safe and effective aviator.