The Mi-8 helicopter is an air vehicle, its main purpose is the transportation of people and various cargoes. A classic single-rotor helicopter with a 5-blade main and 3-blade tail propellers, with two turboshaft engines powered by a common propeller gearbox; with non-retractable three-post landing gear. The maximum takeoff weight of the helicopter under any conditions should not exceed 12 tons, while the mass of the transported payload is up to 3 tons (4 tons with limited refueling) for a distance of up to 500 km. The external suspension system allows you to transport monocargoes weighing up to 3 tons.