Melissa Porter died in a skydiving accident in the US last month.
Witnesses reportedly saw a parachute deploy before she made a hard landing and went to water before being taken to hospital,where she died.
Investigators said no blunt force trauma was noticeable on her body.
Earlier this year,Porter and her skydiving partner Josh Tassicker won gold at the Australian Skydiving Championships held near Darkan in Western Australia’s Wheatbelt.
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Porter previously told media her earliest memories of skydiving came from watching her grandmother skydive at a young age.
She did her first tandem jump at 14 and for the last five years has travelled the world skydiving.
“Mel was a magical person who touched the hearts of many people in the 40 countries she visited in her 29 years,” said Nicholas Lott,from Skydive Spaceland Houston.