History:
This aircraft was designed and built by the late Joseph Kostecv and it was powered by a 21 kw (28 hp) Konig four-cylinder radial engine. It is not known if it was ever flown. It was not registered under Recreation Avition Australia (RAA) regulations so may not have been completed. It had a wingspan of 6.7 m (22 ft), a chord of 1.18 m (3 ft 10 in), a wing area of 7.85 m² (84.5 sq ft) and an empty weight of 113 kg (249 lb). After his death the aircraft was donated to the Ultralight Museum at Holbrook, NSW by his sister, Angela Sedmak.
Further information:
Information on this aircraft is currently limited. The Author welcomes any further specifications and/or details to update the site.