Plain English Meaning

The manufacturer's official rulebook for keeping an aircraft safe to fly. It tells owners and mechanics what to inspect, what to service, and when to replace parts.

Full Definition

A set of documents produced by the manufacturer of an aircraft, engine, propeller, or appliance that specifies the maintenance, inspection, and overhaul tasks required to keep the product in an airworthy condition throughout its service life. These instructions are required by the FAA as part of type certification and typically include maintenance manuals, inspection schedules, servicing requirements, and any life-limited part replacement intervals.

Context Anchor

Seen in aircraft inspection, , and equipment installation discussions, especially after a , , or added piece of equipment.