Fecha de publicación: 06/07/2023 Fuente: Wipo "precision farming" 1. The object of the utility model is an unmanned aeronautical spraying system. 2. Field of application - the field of agricultural engineering, in particular to unmanned aerial vehicles for differentiated application of fertilizers, differentiated treatment with pesticides and other agrochemicals of fields, forests and orchards in the system of precision farming, desiccation of crops and crops before harvesting, swamps, parks and other objects. 3. The essence of the utility model - unmanned aeronautical spraying system, containing an unmanned aerial vehicle containing a frame, engines with regulators and propellers, a spraying system containing a tank for liquid, pipelines, solenoid valves and injectors, hybrid power installations containing internal combustion engine, generator, cooling system and fuel tanks, battery pack, power supply system, pilotage and navigation information sensors system, on-board data reception and transmission module, lighting equipment and flight control controller; the spraying system additionally contains electric pumps and flow meters; as motors there are electric motors with speed regulators and screws; electric motors with speed regulators and screws, spraying system, hybrid power installations, set of batteries, system of sensors of aeronautical information, lighting equipment and power supply system are evenly located on the frame; the power supply system is connected to speed regulators, hybrid power installations, battery kit, spraying system, flight control controller, piloting and navigation information sensors system, onboard data reception and transmission module and lighting equipment; the spraying system is connected to the power supply system and the flight control controller; the flight control controller is connected to the power supply system, speed regulators, spraying system, on-board data reception and transmission module, to the system of pilots- navigation information sensors and lighting equipment; the on-board data reception and transmission module is connected to the power supply system, the flight control controller and has the ability to connect to external control sources; the system of pilots-navigation information sensors is connected to the power supply system and the flight control controller, the speed regulators are connected to the electric motors, the flight control controller and the power supply system; - External control sources can be a ground control station, computer, tablet, smartphone, etc. 4. Technical result - simplification of construction and increase of efficiency of its operation.