August 1, 2024

2025 Aviation Mechanic Test Guides Shipping NOW!

The ASA 2025 Test Guide books and Test Guide Plus for aviation mechanics are shipping now. These new editions prepare applicants for the General, Airframe, and Powerplant FAA Knowledge Exams and align with the Aviation Mechanic Airman Certification Standards (FAA-S-ACS-1) and Part 147. Each Test Guide includes a code for 5 FREE practice tests at Prepware.com.


Tests are hard. Studying doesn’t need to be. Millions of pilots and mechanics chose ASA and passed their tests the first time using the most trusted resource in FAA test preparation.

Test Guide books (AMG-25, AMA-25, and AMP-25) include questions, answer choices, explanations, references, ACS codes, FAA figures and illustrations (from the FAA-CT-8080-4G) and a guide to the Oral and Practical tests. A code to redeem five online practice tests at Prepware.com is also included.


Test Guide Plus (TPP-AMG-25, TPP-AMA-25, and TPP-AMP-25) products include a book plus the most current Prepware software and a two-year subscription to Prepware Online. This money-saving deal has the most flexibility, offering study from a book, on a desktop or laptop computer, tablet or smartphone.

Cover Return Procedures:



  • Download the Return Authorization Request Form, fill it out, and email it to sales@asa2fly.com to request your RMA approval. Write the RMA number you received from your request on the form and include it in the box you send back to ASA.
  • Cover returns for unsold, unused, obsolete 2024 test guides, will be accepted from distributors only through September 30, 2024, for full credit. 
  • Email greg@asa2fly.com with questions.

Shipping NOW!

Contact your distributor

Product Information

Suggested List Price

Test Guide Books for Mechanics

2025 General Test Guide

AMG-25

ISBN 978-1-64425-423-3

$19.95

2025 Airframe Test Guide

AMA-25

ISBN 978-1-64425-421-9

$19.95

2025 Powerplant Test Guide

AMP-25

ISBN 978-1-64425-425-7

$19.95

Test Guide Plus for Mechanics

2025 General Test Guide Plus

TPP-AMG-25

ISBN 978-1-64425-439-4

$49.95

2025 Airframe Test Guide Plus

TPP-AMA-25

ISBN 978-1-64425-438-7

$49.95

2025 Powerplant Test Guide Plus

TPP-AMP-25

ISBN 978-1-64425-440-0

$49.95

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Notes of a Seaplane Instructor and Notes on the Tailwheel Checkout and an Introduction to Ski Flying.