Scope and Contents Document Type: Engine Maintenance Information (compilation of articles). Authority: Manufacturer (authoritative reference).From page 1: “Facts About The Flyer and Key ReprintsTextron Lycoming has been pleased and impressed by the number of requests for copies of the "Key Reprints" - pleased by your many favorable comments concerning it, and impressed by the thirst for knowledge by operators of General Aviation aircraft engines.Some of our readers may...