Service Letter No. 199
Recommendations Regarding Use of Fuel
January 28, 1983
To Owners and Operators of Lycoming Reciprocating Aircraft Engines.
This Service Letter is to clarify Lycoming’s position on the fuel grades that are specified for use in our reciprocating engine models.
Get It Exchanged
Use our Engine Exchange Program to order a new, rebuilt, or overhauled engine to experience more airtime and less downtime.