DUC Hélices

DUC Hélices (DUC Hélices Propellers) is a French manufacturer specialising in the design and production of carbon fibre composite propellers and rotors. Positioned as a Tier 2 and Tier 3 supplier within the general aviation and unmanned aerial vehicle (UAV) sectors, the company focuses on aerodynamic efficiency and noise reduction for light aircraft. It manages the full production cycle from initial fluid dynamics simulation to the manufacturing of complete hubs and blades. The firm supports a broad international customer base including manufacturers of light sport aircraft (LSA), ultralights, and experimental categories. Its propulsion solutions are integrated into various airframes, most notably those produced by BRM Aero (Bristell) and Aeroprakt. The organisation also develops specific rotor systems for autogyros and has expanded into the emerging electric vertical take-off and landing (eVTOL) market through partnerships with innovative flight technology startups. Prospective partners should verify the specific EASA or national certification status of individual propeller models intended for certified airframes. It is necessary to confirm compatibility between specific engine flanges and DUC hub spacers, particularly for high-torque applications. Buyers should also review the maintenance schedules for leading-edge protection, which varies based on the operational environment and surface grit exposure.