Certification
Piloted liquid-hydrogen flight demonstrator (2023); feeds Joby hydrogen-electric S4 work
Launch operators and orders: none announced.
Battery: Fuel cell; liquid hydrogen. Charging: Hydrogen refueling.
Program record
Program record
| Class | trainer/GA |
| Country | Germany |
| Powertrain | hydrogen fuel-cell electric |
| Fuel source | unstated |
| Seats or payload | 4 |
| Battery | Fuel cell; liquid hydrogen |
| Charging | Hydrogen refueling |
| Autonomy | piloted |
| Certification | Piloted liquid-hydrogen flight demonstrator (2023); feeds Joby hydrogen-electric S4 work |
| Status | demonstrator |
| Manufacturing | Stuttgart, Germany |
| Parent or backers | Joby Aviation (acquired 2021) |
| Record updated | 2026-10 |
Official site: h2fly.de
In context
Where it fits
Listed in the Electric Trainers, GA and Seaplanes. Programs are ranked on battery, charging, autonomy, certification stage and launch operators - the factors that decide whether an aircraft enters commercial service.
| Program | Status |
|---|---|
| Integral E (Aura Aero) | active |
| ALIA CX300 (BETA Technologies) | active |
| Bristell B23 Energic (BRM Aero) | active |
| eFlyer 2 (Bye Aerospace) | active |
| eDA40 (Diamond Aircraft) | active |
| RX1E-A (Liaoning General Aviation Academy) | active |
| RX4E (Liaoning General Aviation Academy) | active |
| Velis Electro (Pipistrel (Textron eAviation)) | active |
Sources
Sources and scope
- Scope
- HY4 / H2FLY-40 (H2FLY (Joby))
- Sources
- ElectronsX aviation dataset; company filings and regulator records
- Updated
- 2026-10