2027 Powerplant Mechanic Test Guide

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 the test with knowledge that lasts.

Rely on the time-proven and dependable ASA Test Guides to prepare for the FAA Knowledge Tests. 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. Use this book to get familiar with the test contents, then take up to five practice tests with Prepware® (ASA’s online simulated testing program) at no additional cost!

The ASA Test Guides and Prepware® include the figures from the FAA Airman Knowledge Testing Supplement so you’ll be familiar with the information that is provided at the testing center. You can count on ASA to provide you with the latest changes in the FAA Knowledge Tests through a free email subscription service and updates.

ASA’s Test Guides are the aviation mechanic’s trusted resource for testing with confidence.

Features that help you prepare for the FAA Knowledge Test:

• Questions, answers, and explanations aligned with the Aviation Mechanic ACS to accelerate learning and support retention.
• ACS codes included with each question for remedial study and to prepare for the Oral & Practical Test.
• Quick cross-references for easy question-finding.
• Figures from the FAA Airman Knowledge Testing Supplement.
• Helpful hints for test taking.
• 5 free online practice tests.
• Free online updates and subscription service to stay informed of test changes.

Includes an Oral & Practical Study Guide

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

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) provides trusted training materials for pilots, flight instructors, aviation mechanics, aircraft dispatchers, and drone operators. As an industry leader in FAA Knowledge Test preparation for more than 85 years, ASA has helped millions of customers earn an FAA certification.

This book was written and edited by a team of experienced aviation professionals, including subject matter experts, instructors, and examiners who understand both the FAA requirements and the real-world applications. Each question, explanation, and reference is thoroughly reviewed to ensure accuracy, clarity, and alignment with current FAA testing standards. Throughout the year, ASA meticulously tracks FAA and industry sources to identify impacts on training and testing and keep you informed of test changes. With ASA, you build knowledge that lasts beyond the test.