The Riviera was a light, shoulder-wing cantilever monoplane with three-seats built as an amphibian and was developed by the Italian Nardi company and flown for the first time on 4 December 1952 with a 108-kw (145-hp) Continental engine.

The Scion was designed by Short Bros (Rochester and Bedford) Ltd as a light, twin-engine, cantilever monoplane for feeder-line work.