ZeroAvia’s Electric Aircraft Engine Advances Toward FAA Certification

Engine system is part of the hydrogen-electric powertrain the company is selling to airlines and manufacturers.

Jack Daleo

Thursday, April 02, 2026 at 01:00 PM ET

Verified

Edited By:

Travis Tingle

The FAA issued special conditions for ZeroAvia’s 600-kilowatt electric engine system, a core piece of its planned hydrogen-electric powertrain for 10-20 seat aircraft. [Credit: ZeroAvia]

Key Takeaways:

ZeroAvia reached a significant milestone with the FAA publishing special conditions for its 600-kilowatt electric engine, clarifying the certification path for its hydrogen-electric aircraft powertrains by late 2026.
The company's hydrogen-electric propulsion system aims to reduce aircraft emissions by 90% and operating costs by 40%, powering electric motors with fuel cells that produce only water as a byproduct.
ZeroAvia plans to retrofit 10-20 seat commercial aircraft with this technology, working with major airlines and OEMs, and also intends to sell the engine standalone for drones, eVTOLs, and general aviation.

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ZeroAvia, the developer of hydrogen-electric aircraft powertrains with operations in the U.S. and U.K., sees a clearer path to certification after hitting a key milestone with the FAA.

The regulator on Thursday published special conditions for the company’s 600-kilowatt electric engine, half of its planned propulsion system that also includes its ZA600 hydrogen-electric powertrain. It seeks to certify the system—designed to reduce emissions by 90 percent and operating costs by about 40 percent—by the end of 2026.