The invention provides an unpiloted water aircraft. The unpiloted water aircraft comprises a casing, a
power unit, a
control unit and a plurality of task equipment, wherein the casing comprises a power cabinet part, a task cabinet part and a control cabinet part; the
power unit comprises a power generation mechanism and an actuating mechanism; the power generation mechanism is mounted in the power cabinet; the actuating mechanism is mounted outside the casing and is used for driving the aircraft to move in a preset direction; the
control unit is arranged in the control cabinet, and is used for setting and assigning task operation according to remote commands or sending navigation control signals to a power
system to enter a safe unpiloted state according to the remote commands; the navigation control signals comprise a speed index, a direction index and a distance index; the plurality of task equipment is arranged in the task cabinet, so as to execute the task operation assigned by a
control system. The unpiloted water aircraft according to the invention can reduce the manual cost, save energy, reduce consumption and reduce accidents; the unpiloted water aircraft can replace manpower to accomplish tasks which cannot be conveniently accomplished by manpower, such as detection on foul waters and understanding of
resource distribution.