The Australians had acquired a license to build the Bristol Beaufort and the Woomera was intended to be its successor.
In the engine housings were two remote controlled turrets with machine guns installed.
The CA-4 prototype first flew on September 19, 1941. Its designation was later changed to CA-11.
The CA-11 was ready for production on July 7, 1944, but with all the other aircraft supplied to Australia, the Woomera was cancelled.
The Woomera never made it to production and never made it into combat.