UNMANNED AERIAL VEHICLE

An unmanned aerial vehicle (UAV) includes propellers, motors configured to drive the propellers, respectively, a main body including a control device configured to control the motors, and a wireless device configured to perform at least one of transmission or reception of a signal, a package container for containing a package, and at least one float. In a case where the UAV is placed on water, buoyancy of the float and the package container prevents a surface of the water from reaching at least a height of the wireless device. The buoyancy of the package container increases with the volume of the package container.