T1200 is a heavy-lift unmanned helicopter featuring a tandem rotor configuration, designed for plateau operations with high-altitude takeoff and landing capabilities. It integrates a multiple redundant flight control system and a combined navigation system. Various strategies are employed to ensure safety. Equipped with two engines, the other engine can drive both the front and rear rotors in the event of a single engine failure, significantly enhancing the platform’s safety and reliability. The internal cargo compartment and external suspension connector enable trans-regional logistics, men- and cargo-carrying and other functions. The helicopter shows extremely high mission flexibility and execution efficiency. It has wide prospects in emergency support, agricultural plant protection, fire extinguishing, logistics and transportation, etc.