ZeroAvia Ships First Flight Intent SuperStack Flex Fuel Cell System to Defense Sector Customer - Hydrogen Central

ZeroAvia Ships First Flight Intent SuperStack Flex Fuel Cell System to Defense Sector Customer - Hydrogen Central

ZeroAvia Ships First Flight Intent SuperStack Flex Fuel Cell System to Defense Sector Customer Modular, fuel cell power/propulsion unit packaged and shipped to defense sector customer ready for flight testingFinal testing shows unparallelled specific power for fuel cell system in this power range [Kemble, UK & Everett, WA – October 15th, 2025] — ZeroAvia today announced that it has shipped its first flight intent SuperStack Flex modular low temp…

H2-View News: ZeroAvia ships hydrogen fuel cell to US defence customer

The SuperStack Flex system reportedly delivers over 1.2kW/kg specific power, a sustained 150kW output, and 175kW peak output. The defence customer may deploy the system in unmanned aerial vehicles, with potential applications extending to small aircraft, maritime, and ground systems. Notably, ZeroAvia highlighted that the fuel cell has passed airworthiness testing and is ready to