This unit specifies the skills and knowledge required to interpret information from various types of image data to conduct photogrammetric mapping. It includes assessing the project specifications and survey area to determine the types and potential sources of image data required. The unit also includes visually analysing image data against spatial reference systems and ground controls for photogrammetric mapping.This unit is suitable for skilled surveying technicians and skilled spatial information system (SIS) technicians who use a broad range of cognitive, technical and communication skills to select and apply methods and technologies to analyse information and provide solutions to sometimes complex surveying/spatial information problems.Surveying and spatial information skills are applied in a range of industry contexts including town planning, civil construction, mining, engineering, health, agriculture and defence.All work must be carried out to comply with workplace procedures, in accordance with relevant state/territory regulations that govern surveying work, as well as work health and safety (WHS) legislation and regulations that apply to the workplace.Cadastral surveying must be undertaken under the supervision of a registered surveyor. Users must check with the relevant regulatory state/territory authority before delivery. No licensing, legislative or certification requirements apply to this unit at the time of publication.