After construction of the Wikner Wicko, Geoffrey Neville Wikner designed and his company, Australian Aircraft Co at Archerfield, QLD, built a high-wing monoplane powered by the same 45-kw (60-hp) Anzani radial engine that had been fitted to the earlier aircraft.

The Wikopter was an experimental helicopter designed and built by Geoffrey Neville Wikner (1904 - 1990) at Trafalgar Heights, Nelson Bay, NSW.