Method for inspecting predetermined route equipment of a route by means of image recordings of a drone, comprising the following method steps: a. steering the drone along a predetermined route to predetermined positions and aligning a camera of the drone according to predetermined alignment parameters; b. generating image recordings of the predetermined route equipment to be inspected with predetermined recording parameters; c. storing the image recordings, the position data, the alignment parameters and the recording parameters; d. evaluating the stored image recordings, the positions, the alignment parameters and recording parameters, comprising: - identifying predetermined route equipment to be inspected; - reconstructing 3D object data relating to the predetermined route equipment to be inspected from a number of stored image recordings, positions and alignment parameters for the unique identification of the predetermined route equipment to be inspected by means of photogrammetric methods; - evaluating a quality of the image recordings comprising information relating to the identifiability of the route equipment by means of a predetermined algorithm; - determining positions, alignment parameters and recording parameters as a function of the quality of the image recordings by means of a predetermined algorithm; e. predetermining the determined positions, alignment parameters and recording parameters as a function of the quality of the image recordings for further inspections, in other words for further, subsequent image recordings, characterised in that the evaluation of the stored image recordings, the positions, the alignment parameters and recording parameters according to method step d. comprises: - comparing the stored image recordings with relevant reference image recordings for identifying changes to the route equipment or to the route; - identifying damage to the predetermined route equipment to be inspected, wherein positions and alignment parameters are predetermined as a function of identified damage to the predetermined route equipment to be inspected. a. steering the drone along a predetermined route to predetermined positions and aligning a camera of the drone according to predetermined alignment parameters; b. generating image recordings of the predetermined route equipment to be inspected with predetermined recording parameters; c. storing the image recordings, the position data, the alignment parameters and the recording parameters; d. evaluating the stored image recordings, the positions, the alignment parameters and recording parameters, comprising: - identifying predetermined route equipment to be inspected; - reconstructing 3D object data relating to the predetermined route equipment to be inspected from a number of stored image recordings, positions and alignment parameters for the unique identification of the predetermined route equipment to be inspected by means of photogrammetric methods; - evaluating a quality of the image recordings comprising information relating to the identifiability of the route equipment by means of a predetermined algorithm; - determining positions, alignment parameters and recording parameters as a function of the quality of the image recordings by means of a predetermined algorithm; - identifying predetermined route equipment to be inspected; - reconstructing 3D object data relating to the predetermined route equipment to be inspected from a number of stored image recordings, positions and alignment parameters for the unique identification of the predetermined route equipment to be inspected by means of photogrammetric methods; - evaluating a quality of the image recordings comprising information relating to the identifiability of the route equipment by means of a predetermined algorithm; - determining positions, alignment parameters and recording parameters as a function of the quality of the image recordings by means of a predetermined algorithm; e. predetermining the determined positions, alignment parameters and recording parameters as a function of the quality of the image recordings for further inspections, in other words for further, subsequent image recordings, characterised in that the evaluation of the stored image recordings, the positions, the alignment parameters and recording parameters according to method step d. comprises: - comparing the stored image recordings with relevant reference image recordings for identifying changes to the route equipment or to the route; - identifying damage to the predetermined route equipment to be inspected, - comparing the stored image recordings with relevant reference image recordings for identifying changes to the route equipment or to the route; - identifying damage to the predetermined route equipment to be inspected, wherein positions and alignment parameters are predetermined as a function of identified damage to the predetermined route equipment to be inspected.