Contracted as 42-92489, this C-47 was delivered to the Royal Air Force as FZ692 in February 1944. Transferred to the Royal Canadian Air Force in June 1946, it was re-serialed 12945 in 1970. Declared surplus in 1972 the aircraft went to the USA as N91GA from 1973 - 75 before coming back to Canada as C-GRSB. First with the Department of Energy and Mines, it would later be assigned to Environment Canada until 2014. It has been in the Canadian Warplane Heritage collection since then.
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