H55 Successfully Completes - For the First Time in the Aviation Industry - All Regulator Required Propulsion Battery Module Certification Tests

Core Insights - H55 has achieved a significant milestone by completing the first regulator-required and authority-witnessed propulsion battery module certification test sequence, addressing a critical bottleneck in the commercialization of electric aviation [1][2][11] Group 1: Certification and Safety - The successful completion of the EASA-supervised test campaign positions H55 at the forefront of establishing certification-grade, aviation-safe propulsion battery systems, setting standards for future programs [2][6] - H55's propulsion battery module design incorporates monitoring, redundancy, and hazard mitigation at the cell level, ensuring containment of extreme failure conditions in line with aviation safety requirements [5][12] - The test campaign confirmed H55's capability to engineer and manufacture propulsion battery systems to certification standards using regulatory-approved manufacturing lines and supply chains [4][16] Group 2: Market Impact and Adoption - By establishing a repeatable certification pathway, H55 reduces adoption risk for aircraft manufacturers, operators, insurers, and investors, enabling actuarial risk assessment based on validated failure data [6][16] - The certification evidence generated through this campaign supports multiple ongoing customer programs, including the BRM B23 Energic and CAE's all-electric pilot training platforms [7][16] - H55's achievement marks a structural inflection point for electric aviation, significantly reducing risk for stakeholders involved in aircraft manufacturing and operation [11][16] Group 3: Regulatory Foundations and Future Growth - H55 holds both EASA Design Organisation Approval (DOA) and Production Organisation Approval (POA), confirming its competence in certifying electric propulsion systems [24] - The company has developed proprietary datasets for battery cell characterization, enabling aerospace-grade cell qualification and validation of failure modes accepted by authorities [25] - H55's leadership team is focused on scaling technology-driven platforms and ensuring a reliable transition from certified design to repeatable manufacturing, supporting its next phase of industrialization and international growth [19][20]