H2FLY

H2Fly operates the HY4 and handles approval issues.

mehr Infos

Technology development

Emission-free hydrogen fuel cell technology provides an alternative to conventional long-range drives.

mehr Infos

The Hy4

"Emission-free flying" - Delivering the Future. The HY4 - the world's first four-seat passenger aircraft with hydrogen fuel cell technology and electric drive - marks a milestone on this journey

mehr Infos

HY4 - Delivering the Future

Passenger aviation without noise, particles and carbon dioxide - in short "emission-free flying" - becomes from vision to reality. The HY4 - the world's first four-seat passenger aircraft with hydrogen fuel cell technology and electric drive - marks a milestone on this journey. The electric flying with the HY4 is quiet, protects the environment and increases the range and safety compared to its predecessors. Long-standing aerospace and energy research activities in the fields of batteries, fuel cells and hydrogen technology have made DLR and its partners experts in the fields of More Electric Aircraft (MEA) and All Electric Aircraft (AEA). Fuel cells can be used in aviation in many areas. Common to all applications is operation at high altitudes, at low pressure and low outside temperatures. The safety requirements and reliability must meet very high standards.