Four people died and six were injured in the January incident

 
New details have come to light over the deadly mid-air collision of two helicopters near SeaWorld Australia

A report into the crash on the Gold Coast says one pilot didn’t hear a radio call by the other pilot taking off.

But that does not mean that the taxi call was not made.

Australia’s Transport Safety Bureau is yet to analyse all the contributing factors.

Four people died, another six suffered serious injuries while four others sustained minor injuries as a result of the January crash.

One helicopter was destroyed and another was severely damaged but managed to land.