Engines
Airbus Prepares To Start Testing Hydrogen APU on A330 Airliner
Auxiliary power units support non-propulsive electrical power needs of aircraft
H3 Dynamics hydrogen fuel cell auxiliary power unit
H3 Dynamics has developed a hydrogen fuel cell-based auxiliary power unit for non-propulsive power needed by aircraft.

Airbus is about to receive an auxiliary power unit (APU) customized by H3 Dynamics to run on a 500-kilowatt hydrogen fuel cell. The European aerospace group plans to use the demonstrator unit to replace a conventional APU on a 400-seat A330 airline for test flights.

The test program announced at the June 2023 Paris Air Show is part of the Airbus UpNext technology unit’s work on hydrogen propulsion. Under its ZeroE program, Airbus intends to bring a 200-seat hydrogen-powered airliner into service by 2035 with an operational range of around 2,000 nm.