Digital Technical Publications

Lycoming Engines’ technical publications recently moved to digital format and delivery

  • news
  • 04.26.17

Going digital allows Lycoming to provide improved documentation products, enable more comprehensive revisions and speed delivery to subscribers.

Now available on the website free-of-charge are recent and frequently requested Service Letters, Service Instructions and Service Bulletins. Installation/Operator Manuals, Maintenance Manuals, Parts Catalogs and other Reference Documents are also now available on the website.

These service documents can be found in the Technical Publications section of via the “Technical Publications” link in the top right-hand corner of every page on the website. Visitors can also search for technical publications through the general website search function.

A comprehensive library of Lycoming publications, along with Overhaul manuals, are available for a fee through third party providers ATP or TData. Contact information for these resources is provided below. 

To help customers stay up-to date on Lycoming’s recent publications, the company developed an email notification tool that allows individuals to opt-in to receive a notice when a new publication is added to Click here to sign up.

Please refer to the latest edition of Service Letter 114 for additional information. To ensure you have the latest revisions and technical documents, please check on a regular basis. If you have further questions or cannot find an older service publications not yet available in digital format, please contact the Lycoming Technical Publications Department at

ATP Contact Information:


Mailing Address: 101 South Hill Drive, Brisbane, CA 94005-1251

Telephone: U.S. & Canada: 800-227-4610 ; Worldwide: (+1) 415-330-9500

Fax: 415-468-1596

TData Contact Information:


Mailing Address: 60 Grace Drive, Powell, OH 43065

Telephone: U.S.: 1-800-783-2827 ; International 1-614-885-116Fax: 619-885-4342