Aircraft Maintenance Technology Product Guide

Propeller for Socata TB20 and TB21 Aircraft

Hartzell Propeller Inc. has developed a Supplemental Type Certificate (STC) for installation of its 78-inch three-blade propeller on the Socata TB20 and TB21 aircraft. It:

• Improves takeoff acceleration by 6 percent
• Demonstrates slight climb improvements
• Improved cabin noise reduction
• Improvement of several knots with the TB21