We provide fully compliant EASA and FAA approvals and customized solutions for MROs, Airlines and Lessors. AOG service is also available. Philosophy of Sirium Aerotech is to serve our clients with the higher quality standards and airworthiness designs based on our wide knowledge on the fields of Interiors, Avionics and Structures. Sirium Aerotech offers solution for the whole process of product development including design and certification as EASA DOA 21J.523.