Air investigators are to examine a second black box which was recovered from flight MH17 today.
The data could reveal if the pilots were aware of a missile coming towards the plane and what happened in the last few seconds of the flight if they were able to speak.
Australian flags are being flown at half-mast across the country in respect to the 28 Australian victims of the Malaysia Airlines disaster.
They were among the 298 people killed when flight MH17 was shot down over eastern Ukraine on Thursday.
Australian prime minister Tony Abbott has accused "Russian-backed rebels" of being behind the attack on the airliner.
Thousands of online users have taken to social media to call for the victims of the Malaysian airliner crash to be returned to loved ones.
United States intelligence officials admitted that they do not know who fired the surface-to-air missile that downed flight MH17.
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