The book proposes an integrated approach to the development and application of such a promising direction in the development of unmanned aircraft as unmanned agricultural helicopters. It gives the history of the development of domestic agricultural aviation, justifies the need to replace manned aircraft and helicopters with unmanned helicopters of the classic single-propeller scheme, provides a brief description of the fertilizers and plant protection products used in the processing of farmland, a system of indicators describing the performance of agricultural aviation work using such helicopters is proposed, the design and complex of on-board equipment of a specialized unmanned helicopter and the composition of an unmanned helicopter complex for agricultural purposes are considered, indicating the approximate composition of such a complex and the main functions of its structural units.