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For more than 50 years, Beechcraft’s King Air series has ruled the skies as aviation’s best-selling twin-engine turboprop. Comprised of several different lines of pressurized twin-turboprop aircraft, the King Air series is known for reliability and a superior safety record, with over 7,000 aircraft produced and delivered around the world.

The Beechcraft King Air 350 is the largest version of the popular twin turboprop series and offers the “best of the best” of the King Air line with a greater payload capability, increased range, and a quieter interior.

Now, King Air 350 owners can enjoy even more performance-enhancing modifications with the newest structural composite swept blade props designed specifically for Beechcraft King Air 350 turboprops by Hartzell Propeller in collaboration with Raisbeck Engineering.

The 106-inch diameter five-blade composite swept propellers replace the standard Hartzell four-blade aluminum propellers on the King Air 350, and feature an extended 3,000-hour, three-year warranty.

“By taking advantage of the aerodynamic effect of blade sweep, the strength of lightweight structural composites and robotic manufacturing technologies, Raisbeck and Hartzell have greatly improved performance across the board in all flight phases,” said Hartzell Propeller Executive Vice President JJ Frigge.

The new five-blade propellers provide nearly 50 lbs. of weight savings for the aircraft, offering improved single-engine climb performance, increased takeoff acceleration, and significant noise reduction for passenger comfort.