#$%^&*AU2017100936A420170803.pdf#####ABSTRACT The present disclosure discloses an unmanned aerial vehicle (UAV), comprising a housing (1) having a top part and a bottom part, a battery unit installed in the housing, a control unit installed in the housing, a plurality of arms arranged on the top part, a sonar unit (2) connected with a wire, a positioning unit (5) having a rotator to engage the wire and a power component (52) to actuate the rotator to rotate, a launching unit (4) comprising a first slide bar to hang a bait and a first driving component to actuate the first slide bar, and a fishhook unit (3) comprising a second slide bar to hang a fishhook and a second driving component to actuate the second slide bar. The positioning unit, the launching unit and the fishhook unit are deployed on the bottom part. Efficient fishing can be achieved using the UAV as disclosed. Fig. 21/10 Flying the UAV to a designated destination Adjusting the sonar unit to a predetermined height Using the sonar unit to detect signals and determine a fishing region Using the launching unit to launch bait to the fishing region Using the fishhook unit to release a fishhook to the fishing region Manipulating the UAV to hover or return FIG 1
