Aircraft Maintenance

Q1. Which document records all maintenance actions performed on an aircraft?

Correct Answer: C

The technical logbook records all maintenance activities.

Q2. Which type of maintenance is carried out at predetermined intervals?

Correct Answer: B

Scheduled maintenance is performed at fixed intervals to ensure airworthiness.

Q3. Line maintenance is usually performed:

Correct Answer: C

Line maintenance is done at the airport to keep aircraft serviceable.

Q4. Which of the following is a heavy maintenance check?

Correct Answer: C

C-check is a detailed inspection performed in hangar facilities.

Q5. What is the purpose of Condition-Based Maintenance (CBM)?

Correct Answer: C

CBM is performed based on equipment condition instead of fixed schedule.

Q6. The certificate ensuring that an aircraft is fit to fly after maintenance is:

Correct Answer: B

The Certificate of Release to Service confirms the aircraft is airworthy post-maintenance.

Q7. Unscheduled maintenance usually occurs due to:

Correct Answer: B

Unscheduled maintenance happens after unexpected faults.

Q8. What is the main purpose of lubrication in aircraft maintenance?

Correct Answer: B

Lubrication minimizes friction, wear, and overheating.

Q9. Which organization issues Airworthiness Directives (ADs)?

Correct Answer: B

Civil aviation authorities like FAA or DGCA issue ADs.

Q10. Which maintenance practice ensures reliability by replacing components before they fail?

Correct Answer: B

Preventive maintenance ensures reliability by avoiding failures.

Q11. Which gas is commonly used in aircraft tires?

Correct Answer: B

Nitrogen is used because it is inert, dry, and stable under pressure.

Q12. What is the main function of borescope inspection?

Correct Answer: B

Borescope inspection allows viewing inside engines without disassembly.

Q13. In aircraft maintenance, MEL stands for:

Correct Answer: B

MEL is the Minimum Equipment List required for safe operation.

Q14. Which inspection is usually done before the first flight of the day?

Correct Answer: B

Pre-flight inspection ensures the aircraft is ready for service.

Q15. What type of maintenance data is provided by the Aircraft Maintenance Manual (AMM)?

Correct Answer: C

The AMM gives step-by-step maintenance procedures.

Q16. Which part of the aircraft requires Non-Destructive Testing (NDT)?

Correct Answer: B

NDT checks structural integrity without damaging components.

Q17. The primary goal of Reliability-Centered Maintenance (RCM) is to:

Correct Answer: B

RCM ensures systems function reliably with minimal downtime.

Q18. Which aircraft check is carried out approximately every 24–60 months?

Correct Answer: D

D-check is the most comprehensive, taking weeks to complete.

Q19. Which system monitors aircraft health in real-time?

Correct Answer: C

ACMS provides real-time health monitoring of aircraft systems.

Q20. Who is authorized to certify aircraft maintenance work?

Correct Answer: C

Only AMEs with valid license can certify aircraft maintenance.

Latest Blogs