SAIB: NE-11-54 Continental Motors, Inc. (CM) direct drive and geared reciprocating engines

This Special Airworthiness Information Bulletin (SAIB) advises owners, aircraft operators, repair facilities, Flight Standards District Offices (FSDOs), and Foreign Civil Aviation authorities of recommended actions after a propeller strike or engine hydraulic lock incident on all Continental Motors, Inc. (CM) (formerly Teledyne Continental Motors) direct drive and geared reciprocating engines.

The airworthiness concern is not an unsafe condition that would warrant airworthiness directive (AD) action under Title 14 of the Code of Federal Regulations (14 CFR) part 39.