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FAA Greenlights First Electric Engine Propeller

Hartzell’s next-generation prop earns Part 35 type certification. Here’s what it means.

Beta Technologies Hartzell propeller electric aircraft engine prop for AAM
Hartzell’s latest Part 35-certified prop is tailored specifically for electric and hybrid aircraft, such as Beta Technologies’ CX300. [Courtesy: Beta Technologies]
Gemini Sparkle

Key Takeaways:

  • Hartzell Propeller received FAA Part 35 type certification for its pioneering five-bladed, carbon-fiber propeller, specifically designed for electric, hybrid-electric, and advanced air mobility (AAM) aircraft.
  • This ground-adjustable, fixed-pitch propeller is the first of its kind to achieve Part 35 certification, optimized for high-performance, low-noise operations essential for urban air mobility.
  • Developed and extensively tested in collaboration with Beta Technologies, this certification enables operational flights for AAM models like Beta's CX300 and Alia eVTOL, potentially starting next year.
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The aviation industry has never seen a propeller quite like this before.

Hartzell—which has designed and built propellers for more than a century—on Monday revealed that the FAA awarded Part 35 type certification for a new prop tailored specifically to electric, hybrid-electric, and other advanced air mobility (AAM) aircraft.

Jack Daleo

Jack is a staff writer covering advanced air mobility, including everything from drones to unmanned aircraft systems to space travel—and a whole lot more. He spent close to two years reporting on drone delivery for FreightWaves, covering the biggest news and developments in the space and connecting with industry executives and experts. Jack is also a basketball aficionado, a frequent traveler and a lover of all things logistics.

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