The Slepcev Storch (English: Stork) is a Serbian type-certified, kit and ultralight STOL aircraft, designed by Yugoslavian-Australian and currently produced by in several different versions. The ultralight version is a 3/4 scale replica of the Fieseler Fi 156 Storch of the Second World War and is supplied as a kit for amateur construction or as a complete ready-to-fly-aircraft.