H55 gains EASA approval for electric powertrain

Bristell B23 Energic
H55 founder Andre Borschberg with the Bristell B23 Energic. Photo: H55

Swiss electric powertrain developer H55 has been awarded its design organisation approval (DOA) from the European Union Aviation Safety Agency (EASA).

With the DOA and POA secured, the next steo for the company is to receive its type certificate for its 100kW electric propulsion system targeted for CS23 aircraft, expected by the end of 2023.

H55 is aiming to certify the motor and batteries together as part of a Type Certificate (TC). This power unit is already flying in Bristell’s B23 Energic two-seater, which will be commercially available in 2024 with flying schools being the initial market.

Pratt and Whitney Canada has also chosen H55 for a major project in hybrid electric aviation.

H55 co-founder and executive chairman, Andre Borschberg, said, “With 19 years of experience developing four flying electric airplanes, and a highly skilled and talented team, the industry is increasingly calling on us, not only as an electric equipment supplier, but also for our expertise and know-how in integrating electric propulsion systems into airplanes.

“Having received both our DOA and POA is yet a further validation that our technology and track record is recognized by both the industry and regulatory authorities. As part of our strategy when we set up the company, H55 embraced certification as means towards fostering innovation, and clearly this approach paid off.”


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