05/31/2010. Remarks by Johan Visschedijk: "The first preproduction aircraft was fitted with two 6,000 lb (2,724 kg) st Avro Canada Orenda 1 engines, and new dive-brakes. It was first flown by Donald H. Rogers from Malton, Ontario on June 20, 1951, and taken on charge by the RCAF on September 2, 1952. It was used by Avro Canada for engine and armament development, including the underbelly gun pack, and all-weather and anti-icing tests in spring of 1953. It was fitted with the US-built T-160 0.787 in (20 mm) cannon, for firing trials from May 1954 to April 1955. The aircraft was struck off charge on June 3, 1955."

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