Commonly Requested DocumentsWARNING: These links may NOT lead to the most current version of the document or bulletin
- Lycoming SI 1009AW - Recommended Time Between Overhauls
- Lycoming IS 1523D - Lycoming Engines' Carburetor Manufacturer Cross-References
- Lycoming SI 1443J - Approved Slick Magnetos on Lycoming Engines
- Lycoming SI 1011L - Tappets and Lifters
- Lycoming SI 1042AA - Approved Spark Plugs for Lycoming Engines
Service Bulletins, Airworthiness Directives, and Service Instructions
- Engine Components, Inc. (ECI) - Service Publications
- FAA Regulatory and Guidance Library - A set of searchable databases which contain regulatory, guidance and aviation product information. Here you can find safety information, rules, type certificates, special conditions, Airworthiness Directives, and policy information. You can also enroll in email notifications for updates to many of these publications.
- Kelly Aerospace - Service Bulletins
- Lycoming (Textron-Lycoming) - Publications: Service Bulletins, Service Instructions, and more.
- Superior Air Parts - Service Bulletin database
- Teledyne Continental Motors - Commonly requested Service Bulletins.
Engine and Cylinder Break-In Instructions
- Teledyne Continental Engine Operation Break-In Service Bulletin - Engine operation after cylinder replacement and/or major overhaul.
- Textron Lycoming Reciprocating Engine Break-In and Oil Consumption Limits - Service instruction No. 1427C; Textron Lycoming break-in instructions.
- ECI's Engine Break-In Instructions and Oil Management - Engine Components, Inc.'s break-in instructions for engine overhaul or cylinder replacement.
- Trade Community guide to Internal Combustion Piston Engines - This guide is usefull for determining the Customs' harmony code for importing/exporting piston engines and parts internationally.