'henra' opined above: "...hit the surface really hard...."
31 Jul 2023 "...Campbell [chief of the ADF, Gen Angus Campbell] declined to say whether an explosion may have occurred on the aircraft, but Marles said parts of the wreckage retrieved to date indicated that “there was a
catastrophic impact of the helicopter when it hit the water”...."
https://www.theguardian.com/australi...litary-victims