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These days, inexpensive and high efficiency UAV(Unmanned Aerial Vehicles) of disaster prevention and spatial information has been given more attention. But studies about test of accuracy of UAV were not enough despite high interest. UAV technology has been developed for military purposes, but in recent years, it has been used for various purposes in different forms in the private sector as spread to the public sector. However, since the study applying the UAV technologies to the inspection and maintenance of structures are insufficient so far, this study suggests an application method of UAV technology for inspection and investigation of infrastructure facilities. If the UAV technology is used in inspection and investigation of infrastructure facilities, it will be able to conduct a safety check and inspect high areas and narrow passages, which are difficult or impossible to access by manpower, and further improve the safety of the structure.
