AND PRACTICAL STUDY GUIDE 2025-2026 FAA
MECHANIC O&P EXAM PREP
SECTION 1: GENERAL (ORAL – 25 QUESTIONS)
Regulations (14 CFR Part 65 Focus)
1. What are the privileges of an A&P mechanic under Part 65?
2. What records must be kept after maintenance?
3. Define “airworthy aircraft.”
4. When is an IA required?
5. What is the difference between minor and major repair?
Basic Electricity & Electronics
6. Define Ohm’s Law.
7. Difference between AC and DC?
8. What causes resistance?
9. What is capacitance?
10. How do you test a circuit for continuity?
Weight & Balance
11. Define empty weight.
12. What is CG range?
13. What happens if CG is too far aft?
14. How do you compute moment?
Materials & Processes
15. Identify aluminum alloys used in aircraft.
16. What is heat treatment?
17. What is corrosion and types?
18. How do you treat corrosion?
, Maintenance Practices
19. Proper torque procedures?
20. What is safety wiring?
21. What publications are approved?
Drawings & Documentation
22. How do you read aircraft blueprints?
23. What is a parts catalog used for?
Misc / Physics
24. Define pressure vs force.
25. What is Bernoulli’s principle?
GENERAL PRACTICAL TASKS (EXAMPLES)
• Perform safety wiring on a bolt
• Calculate weight & balance
• Identify corrosion and apply treatment
• Use a multimeter to troubleshoot a circuit
• Interpret a maintenance manual procedure
SECTION 2: AIRFRAME (ORAL – 30 QUESTIONS)
Structures
1. Types of aircraft structures?
2. Monocoque vs semi-monocoque?
3. Stress types (tension, compression, shear)?
Sheet Metal
4. Rivet types and uses?
5. How to inspect rivets?
6. What is edge distance?
Flight Controls
7. Types of control systems?