Lycoming Operator Manuals contain information mostly of importance to pilots and owners. Besides basic recommendations and instructions for starting, run-up procedures, ground checks, leaning, and shut down, and storage, Operator's Manuals are the source of official inflight performance charts for factors including percentage of horsepower, density altitude, fuel consumption, mixture settings.

For the maintenance technician and owner/mechanic, inspections schedules are also included along with required inspection steps, procedures, and troubleshooting.

In Operator Manuals where multiple engines are covered, individual charts and information is included for each covered engine, and for every engine suffix identifier as needed.

Lycoming's Front Page Description
This operator's manual contains a description of the engine, it's specifications, and detailed information on how to operate and maintain it. Such maintenance procedures that may be required in conjuction with periodic inspections are also included. This manual is intended for use by pilots, owners, and maintenance personell responsible for the care of Lycoming powered aircraft. Modifications and repair procedures are contained in Lycoming overhaul manuals and maintenance personell should refer to these for such procedures.