Abstract
A laser energy transmission system for a small-unmanned airplane(Kite-plane) has been developed and a long-time flight demonstration was done successfully in Osaka dome stadium (baseball stadium) at an altitude of 50 m. This test flight shows that it can be practically applied for the surveillance flight in natural disaster such as earthquakes, floods etc. In order to increase the horizontal range keeping the low altitude, an application to a helicopter flight is undertaken.
