Where are instructions for removing an engine from an aircraft found?

• A. In the aircraft maintenance manual.
• B. In the aircraft operating manual.
• C. In the engine manufacturer's manual.
• D. In the airworthiness directive.

Answer: (A)

Maintenance tasks like removing an engine are documented in the aircraft maintenance manual. That manual provides the step-by-step removal and installation procedures, along with required tools, safety precautions, jacking points, and any aircraft-specific limitations or notes. The engine manufacturer’s manual may cover engine disassembly, but the process of removing the engine from the aircraft itself is described in the AMM, since it deals with how the engine interfaces with the airframe. The aircraft operating manual is intended for pilots and does not include maintenance procedures, and an airworthiness directive is a regulatory directive rather than a how-to guide. So the instructions for removing an engine from an aircraft are found in the aircraft maintenance manual.