600 kW continuous, company-reported; gaseous hydrogen fuel supply.
ZeroAvia reports a prototype installation on the left propeller of its Dornier 228 testbed. The other propulsion side remains conventional in the documented test configuration. This is a testbed relationship, not evidence of a certified production installation.
Certification work reported by company; approval not established.
ZeroAvia ZA600 product page (undated); ZeroAvia, 22 March 2024.