The Magpie was a light aircraft built by W F Watkins at Cootamundra.

The Playmate was one of a series of designs of light aircraft produced by Raymond Stits in the United States, the SA-11 Playmate being produced in two variants, the SA-11A fitted with a 63-kw (85-hp) Continental C-85 engine, this being a single-seater; and the SA-11B being a two seater with

The D-31 Turbulent was designed in France by the late Roger Druine as a single-seat, low-wing monoplane which would be simple to construct by an amateur.