CAC CA-13 Boomerang (1/48th Scale) Plastic Military Aircraft Model KitDetails: Commonwealth Aircraft Corporation (CAC) CA. 13 Boomerang is an Australian low wing fighter from World War II. The decision to develop your own plane was made in December 1941, and 14 weeks after the start of design work, on May 29, 1942, a prototype was flown. The plane was structurally reminiscent of the Wirraway, and no wonder, because the Australians simply used parts of the licensed low wing, equipping it with the largest Twin Wasp engine