Cause of Willowbank C206 crash

[To infinity & beyond]

All the facts here:

http://www.atsb.gov.au/publications/...200600001.aspx

But,

Technical examination and test of the aircrafts engine and its associated components did not reveal any anomalies with the potential to have individually contributed to the partial engine power loss.

And

There may have been an anomaly of the engine or its components present during the accident flight that was not apparent during the subsequent disassembly, examination and testing of the engine and its components.