Small Format Aerial Photography from Microlight Platforms

Abstract
Conventional survey aircraft, with their sophisticated camera and navigation systems, are mainly designed to cover the photogrammetric requirements of line mapping. But for less exacting cover, such as urban or rural surveys, map intensification, crop inspection, estate management, forest inventories and multispectral photography, there are urgent reasons for seeking more economic methods of gaining the primary data. To this end the authors have initiated trials with commercially available microlight aircraft employing small format (35 mm and 70 mm) cameras in order to investigate the various flying skills, materials and strategies that will lead to the optimum economic system for developing countries.

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