STC Approved for Hartzell Propeller Three-Blade Mooney Bravo Prop

Airplanes covered by the STC are powered by TIO-540-AF1A and TIO-540-AF1B turbocharged Lycoming Sabre engines.

Wednesday, June 22, 2022 at 05:34 PM ET

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According to Hartzell, about 10,000 Mooney airplanes have been equipped with Hartzell props. [Courtesy: Hartzell Propeller]

Key Takeaways:

Hartzell Propeller has received STC approval for a new 75-inch, three-bladed aluminum propeller for the Mooney M20M/TLS Bravo aircraft.
The new propeller significantly improves performance, offering an 8-10% increase in climb and a 2-3 knot boost in cruise speed for owners.
Available as the Hartzell Top Prop kit (HC-I3YF-1RF/F7498-1) for $15,839, it includes the propeller, a composite spinner assembly, and STC documentation, filling a long-requested performance gap for this Mooney series.

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Better climb performance and a higher cruise speed are two things that owners of the Mooney M20M/TLS Bravo can look forward to when they replace their McCauley propeller with Hartzell Propeller‘s 75-inch-diameter, three-bladed aluminum prop.

The supplemental type certificate (STC) for the Hartzell prop was approved this week. Airplanes covered by the STC are powered by TIO-540-AF1A and TIO-540-AF1B turbocharged Lycoming Sabre engines.