G'day,
Our ATSB mob have published the preliminary report into this prang.
https://www.atsb.gov.au/media/578019...007-prelim.pdf
HMMM.
It seems to be a result of a couple of factors.
Track work, Long Hood running, inexperience and speeding, plus NCO setting the points providing the collision path.
HMMMMM.
Steve.