Narrative:The Heron took off from Darwin at 11:33 for a 1hour and 20 minutes-flight to Baucau. At 12:10 there was radio contact with a company DH-104 Dove (CR-TAG) flying from Baucau to Darwin. This was the last contact with the flight before it crashed into the sea, NW of Bathurst Island.
Probable Cause:
PROBABLE CAUSE: "It was concluded that the most likely chief cause of the accident lay in the fact that the pilot was flying the aircraft in bad visibility conditions for which he was not duly qualified, and it was presumed that reasons of a psychological nature accounted for the accident."
Photos

accident date:
26-01-1960type: de Havilland DH-114 Heron 2D
registration: CR-TAI
Map
This map shows the airport of departure and the intended destination of the flight. The line between the airports does
not display the exact flight path.
Distance from Darwin Airport, NT to Baucau-English Madeira Airport as the crow flies is 653 km (408 miles).
Accident location: Global; accuracy within tens or hundreds of kilometers.
This information is not presented as the Flight Safety Foundation or the Aviation Safety Network’s opinion as to the cause of the accident. It is preliminary and is based on the facts as they are known at this time.