Principles and scope of photogrammetry, aerial cameras and camera calibration, geometry of the aerial photograph, stereoscopy and stereoscopes, parallax and the theory and techniques of plotter orientation. Extraction of engineering information from single aerial photo and from two interfaced photos, transformation, least squares, geometric correction and measuring of coordinates from aerial photos, introduction to analytical photogrammetric surveying, outputs of aerial surveying, Planning a photogrammetric project, Applications using computer software’s.