Definition
A document published by an aircraft, engine, or component manufacturer that provides the approved procedures, specifications, tolerances, and instructions required to inspect, service, repair, and overhaul that specific make and model. It is the primary technical reference used by certificated mechanics when performing maintenance on the aircraft.
Plain English
The official book from the manufacturer that tells mechanics exactly how to look after, fix, and check a particular aircraft or part.
Context Anchor
You may hear this term when discussing aircraft maintenance, inspections, repairs, or how a mechanic determines the correct procedure for work on an aircraft.
Why Pilots Care
Ensures that all maintenance follows approved methods, maintaining airworthiness and meeting regulatory requirements.
Intuition Check
Do not think of a maintenance manual as general advice or the same thing as the pilot’s operating handbook. It is a specific reference for maintaining and repairing a particular aircraft or piece of equipment.
Example Sentence 1
The mechanic consulted the maintenance manual to confirm the correct torque value for the cylinder bolts.
Example Sentence 2
Pilots review entries in the maintenance manual to confirm the aircraft's service history before flight.