Hartzell Propeller Inc. is a world class engineering and manufacturing company offering the broadest range of propeller systems in the aviation industry. They design, develop, test, manufacture, and support constant-speed aluminum and composite propeller systems for all categories of aircraft in our power class.
For over 30 years, Raisbeck Engineering has been designing, developing and marketing performance systems for Beechcraft King Air aircraft. These systems enable all Raisbeck-equipped aircraft to outperform the basic King Air in such areas as takeoff distance, climb, speed and range.
McCauley has been designing and manufacturing high quality propellers for over 70 years. For more than six decades, McCauley has set the standard for propeller design. Their engineering and performance accomplishments are unequalled in the industry.