Flight crash investigators have taken control of the remote Mount Disappointment site where five people died in an horrific helicopter crash north of Melbourne.
Victoria Police said a small number of officers will help keep the scene secure while the Australian Transport Safety Bureau (ATSB) investigation gets fully underway.
The disaster victim identification unit completed their examination of the scene yesterday afternoon, police said.
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On Saturday, Nicholas Vasudeva, a Sydney father-of-three and financial executive, was identified as the fifth person killed in the crash.
The ATSB are expected to hand down a preliminary report on the cause of the crash in six to eight weeks.
Investigators are focusing on the weather conditions, as both low-lying cloud and smoke haze were prevalent around the Mt Disappointment area on the day of the crash.
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Experts said it is possible these conditions could be to blame for the crash.
The helicopter was one of two travelling north in convoy from Melbourne's CBD over when it disappeared just after 9.30am.
Both Microflite Helicopter Services aircraft took off from the banks of the Yarra River in Melbourne CBD near Crown just before 8am on Thursday.
The wreckage was found near Blair's Hut at about 11.45am.
