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Airbus drives the LEIA project toward hybrid-electric aviation

The Airbus LEIA project drives hybrid-electric integration and high-voltage development for sustainable commercial aviation.
Airbus impulsa el proyecto LEIA hacia la aviación híbrida-eléctrica

The LEIA project represents a decisive step by Airbus toward aerospace decarbonization during the Farnborough International Airshow in the United Kingdom; this initiative, whose name stands for Low Emission Intensive Architecture, seeks to transform the design of the next generation of short- and medium-range commercial aircraft through the development of a non-propulsive energy architecture.

With direct support from the European Union’s Clean Aviation Joint Undertaking, the consortium aims to resolve technical challenges in high-voltage generation and distribution; in this context, the initiative acts as a fundamental bridge between technological innovation at the individual component level and the operational maturity required at the full aircraft level, facilitating future international certification processes.

LEIA project advances in intelligent energy management

Additionally, industry authorities point out that this development represents a structural change in aeronautical design methods. Karim Mokaddem, Head of Airbus Future Aircraft Research and Technology, highlighted that the adoption of intelligent physical and digital architectures will allow for the management of new energy ecosystems. Therefore, the sustainable development of aviation goes beyond the simple search for alternative fuels, requiring advanced distribution and control systems.

Furthermore, the LEIA initiative leverages lessons learned from the SWITCH project, which focused on hybrid-electric propulsion subsystems; after successfully completing integrated laboratory tests led by Collins Aerospace in collaboration with Pratt & Whitney, GKN Aerospace, and MTU Aero Engines, the development teams are ready for the next operational phase.

Integration tests at the STEP laboratory in Germany

Indeed, the tested subsystems are being moved to Airbus’s Sustainable Technology and Engineering Projects (STEP) facilities located in Ottobrunn, Germany; at this specialized center, battery interface evaluations, network design, and energy management systems will be carried out. Likewise, Airbus is leading the validation of scalable motors and generators along with next-generation electronic controllers.

Finally, the comprehensive validation program plans to conduct a fundamental ground test during 2027; strategic partners such as Safran, SAFT, Liebherr Aerospace, the European Network for Business and Industrial Statistics, the Royal Netherlands Aerospace Centre, and various European university entities are participating in this effort. In this way, the aeronautical industry consolidates its roadmap to reduce greenhouse gas emissions on a global scale.

Source: Airbus

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