Airborne system for detection, location and imaging of buried objects, comprising: - an air module which comprises a radar unit that emits and captures radar signals, a positioning and guidance system of the air module, and an air control unit which collects information from the radar unit and from the positioning and guidance system, controls flight parameters of the air module and exchanges information with a ground station; - a ground station which comprises a flight control system of the air module, a real-time satellite kinetic navigation base station, a radar signal processing unit that processes the radar signals received from the radar unit by means of a set of radar signal processing algorithms, and a computer application for the representation of the radar image of the subsoil obtained from the radar signal processing unit; and - communication means for transmitting and receiving wireless signals between the air module and the ground station; the positioning and guidance system of the air module comprising a global positioning system, a positioning system based on inertial sensors, a positioning system based on real-time satellite kinetic navigation exchanging information with said real-time satellite kinetic navigation base station located at the ground station, and a photogrammetry-based positioning system, which send information to the control unit providing the accurate three-dimensional location of the air module and the georeference of the data obtained with the radar unit with an accuracy equal to or less than three centimeters, and that a radar signal processing algorithm of the radar signal processing unit being a synthetic-aperture radar processing algorithm for obtaining the radar image and another is a clutter elimination algorithm of the radar image. - an air module which comprises a radar unit that emits and captures radar signals, a positioning and guidance system of the air module, and an air control unit which collects information from the radar unit and from the positioning and guidance system, controls flight parameters of the air module and exchanges information with a ground station; - a ground station which comprises a flight control system of the air module, a real-time satellite kinetic navigation base station, a radar signal processing unit that processes the radar signals received from the radar unit by means of a set of radar signal processing algorithms, and a computer application for the representation of the radar image of the subsoil obtained from the radar signal processing unit; and - communication means for transmitting and receiving wireless signals between the air module and the ground station; the positioning and guidance system of the air module comprising a global positioning system, a positioning system based on inertial sensors, a positioning system based on real-time satellite kinetic navigation exchanging information with said real-time satellite kinetic navigation base station located at the ground station, and a photogrammetry-based positioning system, which send information to the control unit providing the accurate three-dimensional location of the air module and the georeference of the data obtained with the radar unit with an accuracy equal to or less than three centimeters, and that a radar signal processing algorithm of the radar signal processing unit being a synthetic-aperture radar processing algorithm for obtaining the radar image and another is a clutter elimination algorithm of the radar image.