04/30/2011. Fitted with a British-built Avon, this aircraft was delivered on April 30, 1956. A month later, May 29, it was transferred to No. 78 Wing, on November 19, 1958 to No. 75 Squadron, on February 24, 1961 to No. 81 Wing, while it is pictured above when assigned to No. 2 Operational Conversion Unit (2OCU) at RAAF Base Williamtown, New South Wales. View also photo 4781.