She was depth charged by an Australian aircraft.
Two of the Australian aircraft attacked the Ki-61 and shot it down near Japen Island.
Only two other manufacturers of Australian civil aircraft have built more than 100 aircraft in the post-WW2 era.
One of the Australian aircraft survived until 1942 when it was destroyed by enemy action.
In addition, two of the Australian aircraft were fitted with flight-test instrumentation so that they could be used as part of trials.
More kills, fewer casualties, except for the Australian aircraft, whose numbers rapidly dwindled.
British and Australian aircraft subsequently bombed the column, at first just blocking one end of a defile, but later returning a number of times.
At this time the A-4Gs were the only Australian military aircraft capable of in-flight refuelling.
The one Australian aircraft crashed shortly after delivery but four British aircraft were used by private owners and for charter flying.
Ten Australian aircraft bombed Mafrak between 06:00 and 08:00.