Powerplant Mechanic Test Guide 2025: Study and prepare for your aviation mechanic FAA Knowledge Exam (ASA Test Prep Series)

This is not AI-generated content. The contents were written and verified by subject matter experts from Aviation Supplies & Academics, an 85-year-old aviation company. Look for the ASA wings to ensure you are purchasing a reliable publication.

Pass your test and know what is essential to become a safe, competent aviation mechanic―from the most trusted source in aviation training.

Rely on the time-proven and dependable ASA Test Guides to prepare for your FAA Knowledge Exams. Test questions are expertly organized to align with the Aviation Mechanic Airman Certification Standards (FAA-S-ACS-1) subjects and are supported with answers, explanations, and references for further study. This topical study promotes understanding and aids recall to provide an efficient study guide. When you’re done studying, take practice tests with ASA’s online simulated testing program at no additional cost!

The ASA Test Guides include the figures from the FAA Airman Knowledge Testing Supplement so you’ll be familiar with the information you’ll be issued at the testing center. You can count on ASA to provide you with the latest changes in the FAA Knowledge Exams through a free email subscription service and updates. ASA’s Test Guides are the aviation mechanic’s best resource for successful test-taking.

• Questions, answers, and explanations aligned with the Aviation Mechanic ACS to accelerate learning and encourage retention.
• ACS codes included with each question for remedial study and to prepare for the Oral & Practical.
• Figures from the FAA Airman Knowledge Testing Supplement.
• FAA Aviation Mechanic Certificate requirements.
• 5 free online practice tests.
• Quick cross-references for easy question-finding.
• Free online updates and subscription service to stay informed of test changes.
• Includes test tips and instructions, and an Oral & Practical Study Guide.

Use the Airframe Test Guide for the AMP Aviation Mechanic―Powerplant Knowledge Exam.

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.

Aviation Supplies & Academics, Inc. (ASA) is an industry leader in the development and sale of aviation supplies and publications for pilots, flight instructors, flight engineers, air traffic controllers, flight attendants, aviation maintenance technicians, and drone operators. We manufacture and publish more than 1,000 products, and have been providing trusted and reliable training materials to the aviation industry for 80 years.