H55 ESS Safety Testing Completed
Analysis based on 11 articles · First reported Apr 29, 2026 · Last updated Apr 29, 2026
The successful completion of safety verification testing by H55 is a positive development for the electric aviation industry, potentially accelerating the adoption of certified electric propulsion solutions. This milestone de-risks H55's technology and certification roadmap, which could lead to increased investment and partnerships in the sector.
H55, a Swiss-based company specializing in electric propulsion and energy storage systems for aviation, announced the successful completion of its System Safety Function Verification Testing for its integrated Energy Storage System (ESS) on April 29, 2026. This milestone validates the system's performance, communication integrity, and critical safety functions under real operating conditions, including automatic power disconnection under fault conditions. The testing involved all critical subsystems, such as Battery Modules, Battery Management Units, and the Charge Control Unit. This achievement is a significant step towards certification, industrialization, and large-scale deployment of H55's technology, developed in coordination with aviation authorities like the European Union — European Union Aviation Safety Agency. Anthony D Ambrisi, Head of H55's Design Organization, highlighted the importance of this validation for demonstrating readiness for certification as a complete system.
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