613924 Disclosed is a cleaning apparatus (101) for cleaning under water netting. The apparatus (101) includes a floating platform (103), a winch mechanism (113), a drive mechanism (117) which engages the netting, a control device, a high pressure water pump, and a cleaning head (111). The control device automatically controls the drive mechanism (117) which causes the floating platform (103) to move laterally across the netting. The control device also automatically controls the winch mechanism (113) to adjust the relative height of the cleaning head (111) with respect to the floating platform (103). The high pressure water pump pumps water at high pressure out of the cleaning head (111).
