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Hartzell Propeller Receives Amended STC for TKS-equipped Cessna Caravan Fleet

Hartzell Propeller Receives Amended STC for TKS-equipped Cessna Caravan Fleet : Hundreds of single-engine Cessna Caravan 208 aircraft are now eligible for conversion to three-blade aluminum props from Hartzell Propeller through an amended Supplemental Type Certificate.

The propeller is available with a TKS ice protection system approved for Flight Into Known Icing (FIKI). This is the identical propeller that is delivered as standard equipment on every new Cessna Grand Caravan EX from the factory.

“Obtaining FAA approval for installing our three-blade FIKI qualified props permits operators with TKS ice protection to quickly convert their fleets to our propellers, which are well known for Hartzell superior reliability and repairability,” said Hartzell Propeller President Joe Brown. “We’ve proven that Hartzell props can be overhauled and returned to service multiple times and that is a great economic advantage for fleet operators and others.”

Hartzell’s 106-inch diameter aluminum three-bladed, steel hub propellers replace McCauley propellers and offer climb performance as good or slightly better and a measured three knots improvement in cruise speed. Hartzell Propeller’s three-blade props have substantial material for blade repairs and incorporate the most repairable blades available for Caravans. They are approved for land-plane and seaplane operations.

TKS ice protection systems were installed on hundreds of Caravans, including a number of fleets operated by large cargo operators. The glycol-based ice-protection system replaced pneumatic boots that covered the leading edges of the turboprop Caravan’s wing, horizontal and vertical stabilizers, landing-gear legs, wing struts and cargo pods. On Caravans, propeller slinger systems eliminate the need to install TKS panels on the landing gear struts and cargo pod.

About Hartzell Propeller
Hartzell Propeller is the global leader in advanced technology aircraft propeller design and manufacturing for business, commercial and government customers. The company designs next generation propellers with innovative “blended airfoil” technology and manufactures them with revolutionary machining centers, robotics and custom resin transfer molding curing stations. With ASC-II™ composite technology, Hartzell delivers optimal performance, strength, and durability with carbon fiber blades.

Hartzell Propeller and its sister company, Hartzell Engine Technologies LLC, form the general aviation business unit of Tailwind Technologies Inc. The aerospace technology company also includes Hi-Tech Metal Finishing and Mayday Manufacturing. For more info on Hartzell Propeller go to

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Rajowan Syed

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