HY4 is a four seat

hydrogen fuel cell A fuel cell is an electrochemical cell that converts the chemical energy of a fuel (often hydrogen) and an oxidizing agent (often oxygen) into electricity through a pair of redox reactions. Fuel cells are different from most batteries in requ ...

powered aircraft. It made its maiden flight on 29 September 2016 from

Stuttgart Airport Stuttgart Airport (German: ''Flughafen Stuttgart'', formerly ''Flughafen Stuttgart-Echterdingen'') is the international airport of Stuttgart, the capital of the German state of Baden-Württemberg. It is christened in honor of Stuttgart's forme ...

. It was designed by DLR Institute of Engineering Thermodynamics of the

German Aerospace Center The German Aerospace Center (german: Deutsches Zentrum für Luft- und Raumfahrt e.V., abbreviated DLR, literally ''German Center for Air- and Space-flight'') is the national center for aerospace, energy and transportation research of Germany ...

, based on the Taurus G4, manufactured by

Pipistrel Pipistrel d.o.o Ajdovščina is a Slovenian light aircraft manufacturer established in 1989Or 1989... --> by Ivo Boscarol and based in Ajdovščina. Its facilities are located in Ajdovščina, Slovenia, and near the town of Gorizia, Italy. By Ma ...

References

External links

*{{official, http://hy4.org/ 2010s German experimental aircraft Hydrogen-powered aircraft Zero-emissions vehicles Fuel cell vehicles