For solving the inconsistency of the transmission line fast increase and the maintainer in?sufficient

and the factors of topography and traffic bringing difficulties for manual patrol and inspec?tion

adopts unmanned helicopter to patrol and inspect power transmission line

by the remote measuretechnic collected relational data and image information

analyzes and contrasts on the inspection con?tents and discoverable objection of unmanned helicopter with manual work. The result shows thatadopting unmanned helicopter patrol and inspection power transmission line not to be influenced bytopographic environment and weather situation

which has clearly advantage for fateful disaster orien?tation and objection discovery.