74 yearold mystery solved: RV Investigator finds WWII ...
The discovery was made early on Wednesday morning (0115 AEDT) during a targeted survey in the Arafura Sea off the coast of Arnhem Land. The survey was being conducted for the Northern Territory Government while Investigator was en route from Sydney to Broome.. Macumba was a 2,500 ton steel merchant ship that was sunk on 6 August 1943 when two Japanese aircraft attacked at low level and .