Lycoming officials believe they have identified the forging problem that led to crankshaft failures in its LTIO-540 and TIO engines and have developed process changes and more rigorous monitoring ...
Hartzell Propeller has received an STC for a new 75-inch, three-bladed aluminum prop for Mooney M20M/TLS Bravo aircraft equipped with TIO-540-AF1A and TIO-540-AF1B turbocharged Lycoming engines. The ...