Hartzell Expands the Navigator Propeller STC for the Bonanza A Thirty-Six, G Thirty-Six, and A Thirty-Six T C
Hartzell amended its Navigator propeller STC to add the Bonanza A36, G36, and A36TC, giving owners an easy, legal upgrade path.
TowerSTC
Continental Builds an I O Three Seventy STC to Drop a Fresh Certified Engine Into the Piper Fleet
Continental is developing an STC to install its certified IO-370 engine in Piper airframes, giving owners a rare second engine choice.
Tower