#Switzerland #aviation technology #Safety Testing #Sion #H55 Energy Storage

H55 Completes Successful Safety Function Verification Testing

In an important stride towards enhancing the reliability of aircraft operations, H55 has announced the successful conclusion of its safety function verification tests for its Integrated Energy Storage System (ESS). This milestone is a crucial step in ensuring that the system meets the stringent certification requirements necessary for aviation applications.

H55's system comprises several critical sub-systems, all integrated into a fully functional architecture. This includes battery modules, battery management units, an energy flow controller, energy protection devices, and a charge control unit. The recent testing campaign primarily focused on validating system performance, communication integrity, and key safety features under realistic operating conditions.

The outcomes of these tests confirmed the robust and reliable coordination among all sub-systems, ensuring stable and predictable system behavior across a variety of scenarios. One of the key highlights was the successful verification of critical safety functions, including automatic power cutoff capabilities during predefined failures or anomalies—an essential requirement for safe operation in aviation settings.

Beyond hardware validation, this achievement signifies a considerable advancement in mitigating risks related to the certification and verification of H55's software component. All safety functions were successfully executed within their integrated framework. Anthony D'Ambrisi, H55’s Design Organization Lead, remarked, “This milestone represents a major progress in risk reduction concerning our technology and certification roadmap. By demonstrating safety functions in a fully integrated architecture, we confirm our readiness for certification not only at the component level but also as a complete system.”

In stark contrast to many emerging players that develop systems in isolation, H55 has designed its ESS from the ground up to comply with certification requirements, closely collaborating with aviation authorities such as EASA. The system adheres to aerospace quality standards, far exceeding experimental approaches or merely obtaining flight permissions.

With over a decade of experience in electric aviation, H55’s safety philosophy emphasizes proactive risk detection, control, and mitigation, ensuring a higher level of system reliability, which is critical for certification in demanding aviation environments. This successful testing campaign marks a significant step in transitioning H55 technology from the validation phase to deployment.

As the industry accelerates towards decarbonization, H55’s integrated and certifiable energy storage systems pave the way for a new generation of electric aircraft designed not only for flight but also for large-scale development. H55 stands out as a Swiss company specializing in certified electric propulsion systems and energy storage solutions for the aviation sector. Their focus on transforming commercially available lithium cells into safe, aviation-compliant energy storage systems approved by regulatory authorities and backed by insurers is revolutionizing the industry.

Founded on the technological legacy of the Solar Impulse program, H55 leverages over two decades of practical experience in electric aviation, having designed, constructed, and flown several electric aircraft while accumulating over 2,000 hours of flight time without battery-related incidents. This operational expertise positions H55 to not only implement certification programs but also to ensure that these systems can be repeatedly deployed by manufacturers within aviation applications.

The firm’s robust and experienced leadership combines deep technological business development expertise with operational excellence. Together, these skills assure a reliable transition from certified design to scalable production. H55’s platform approach, where certification elements complement one another across programs, significantly reduces adoption risks while facilitating the cost-effective deployment of electric and hybrid-electric aircraft.