A New Zealand national has passed away following a helicopter crash near Boorowa last Wednesday.
According to police, emergency services were called to the property with a number of officers, ambulances and air ambulance responding to the call.
When they arrived on scene they found a Robinson R22 helicopter in an around 10m deep ravine.
Police said the pilot, a 39-year-old woman, had managed to get herself free from the wreckage.
Police believe the pilot had been aerial spraying St John's Wort and appears to have clipped a tree with the back rotor.
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About 4.30pm the woman appears to have suffered from a cardiac arrest and passed away.
Police secured the area and began investigating the cause of the incident and liaising with the Australian Transport Safety Bureau (ATSP).
On Thursday the ATSB and local detectives were on scene.
The ATSB is the national investigator who looks into incidents involving passenger transport, non-passenger commercial aircraft operations, recreational flying 'general' aviation, higher-risk personal recreation/sports aviation/experimental aircraft operations as well as small and very small RPA and uncrewed balloons.
"The ATSB endevours to investigate all fatal accidents involving VH-registered powered aircraft subject to the potential transport safety learnings and resource availability," an ATSB spokesperson said.
The ATSB will hand down a report once it has concluded its investigation.
