Not much info left on this plane. There is one on display at an Australian aircraft museum, but it's incomplete.
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On December 1, 1981, the Australian Government announced that an Australian design would be pursued for its proposed replacement trainer for the RAAF, the Wamira. Formation of the Australian Aircraft Consortium (AAC) followed, in June 1982, to execute this first project.
AAC was a joint venture between the Government Aircraft Factory (GAF), the Commonwealth Aircraft Corporation (CAC), and Hawker de Havilland (HdeH). Fuselage, final assembly and testing fell to GAF; engine and empennage were CAC's tasks; and HdeH would provide wing and landing gear.
AAC was awarded a $A36 million contract to design and develop the trainer. The design was to be completed by November 1983, with a prototype flying in February 1985 and first delivery to the RAAF in October 1987.
A model of the Wamira was displayed at the 1983 Paris Air Show, and the RAF, considering replacements for its Jet Provost trainer, showed an interest, provided a tandem seating arrangement could be delivered. The Wamira reached the RAF's short list in 1984, but the RAF finally chose the Tucano. Whatever the reasons for the choice, pursuit of the tandem version distracted AAC from their RAAF assignment.
In July 1985, Hawker de Havilland amalgamated with CAC, resulting in a 66% controlling interest in AAC. After buying the remaining share from GAF, Australian Aircraft Consortium became a subsidiary of HdeH, who took over the Wamira program.
The Government gave HdeH an extension on the deadlines and added that the Tucano and Pilatus PC-9 would be considered as competitors for the trainer role. The first flight of the Wamira seemed likely in 1986; but on 16 December 1985, the Government announced that it would not proceed with the project, and would instead purchase the Pilatus PC-9.
This decision represented a reversal of the original requirement which preferred a side-by-side trainer. RAAF training was restructured to progress through the CT-4, PC-9 and Aermacchi. One prototype had been completed at the time of the announcement. The original assignment had expected a delivery of 69 aircraft to the RAAF, and HdeH anticipated orders for a further 200 aircraft overseas. Apart from the loss of the potential export revenue, the Australian taxpayers had lost about $60m in the development of the discontinued design.
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