In the 1950s Reginald Todhunter became involved in sailplanes and started a business Glidair Sailplanes at Bankstown, NSW, where he repaired gliders.

The ASH-25 is one of a series of gliders produced by Schleicher in West Germany over the last 75-odd years, one of the first in the series being the Condor designed by Heini Dittmar, built at Wasserkuppe, and which entered production in 1932.

The Ash 26 series of gliders is produced by Alexander Schleicher GmbH and Co in Germany and was designed by Martin Heide and more than 230 examples have been produced.

The ASK 21 is a two-seat mid-wing glider with a T-tail designed for instruction but also aimed at the market for cross-country performance and aerobatics.

The Nimbus series of gliders over the years produced by Schempp-Hirth in Germany, and designed by Klaus Holighaus, has been very popular and has been produced in a number of variants, a number having sustainer engines, and others fitted with Rotax engines and able to self launch.