Flysub Helikopter

Flysub Kereskedelmi és Szolgáltatói Kft. is a Hungarian engineering company specializing in the development and manufacture of custom aircraft. Its flagship project is the Flysub Multiengine, a two-seat, dual-control helicopter with a coaxial rotor design, developed in Hungary and nearing the start of its flight-test program. Classified in the experimental category, it is designed for dependable, economical transport and potential use in search and rescue, disaster response, and other demanding operations. The company describes a planned range of 550–600 km and a payload capacity of at least 250 kg with a pilot.

Flysub also provides aircraft development, bespoke machine and test-equipment design and production, carbon-composite structure manufacturing, and helicopter rotor balancing. Its engineering work draws on experience in aerodynamics, structural analysis, mechanics, electronics, design, and vibration measurement. Projects and collaborations include test equipment for Tubolito, a solar racing boat hull for the University of Pannonia, and work with Hungarokopter and HeliForce.