North America:1 (800) 942-7767 International:+1 (937) 778-4200

A propeller conversion is one of the smartest investments you can make for your aircraft. Hartzell Propeller’s Top Prop STC Conversion program makes propeller conversion easy. Top Prop allows you to upgrade to our innovative new designs featuring scimitar blades, blended airfoils, and rugged structural composite materials.

With Top Prop from Hartzell Propeller, it’s easy to significantly improve the performance of your aircraft. You will experience real benefits such as shorter take-off distances, lower noise levels, better ground clearance, reduced tip erosion, increased climb rates, increased cruise speeds, and smoother operation.

It’s what you can expect from Hartzell the market leader in quality, performance, and support in general aviation.

Click to look at the full Hartzell Top Prop Performance Conversions Catalog

Click on any of the links below for further information:

STC Compatibility: Is your STC compatible with another STC?
Warranty: The Hartzell warranty is one of the best in the business.
Foreign Approvals: Hartzell is officially recognized by aviation authorities all over the world.
STC ICA / Maintenance Data:  Hartzell maintains a library of  ICA/maintenance data for your STC’d propeller.
STC Installation Data:  Hartzell maintains installation data for STC kits.
Performance Changes: How will your new Hartzell prop affect performance?
What Else is in the Kit: See what else is included with your propeller and spinner.

Hartzell Propeller