Several independent inquiries concluded that local government officials had been involved.
The Inquiry concluded without determining the cause of the crash.
The Inquiry concluded with no official finding on the reason for the sinking.
But the two planes shot down were attacked over international waters, the inquiry concluded.
The inquiry began in the following May and did not conclude until July.
But several independent inquiries have tentatively concluded that the army was responsible.
On 14 May 2010 a new full coronial inquiry into the death in custody concluded.
The inquiry concluded that this is due to institutional racism within the mental health services.
The 2009 inquiry concluded that no messages were sent by Sydney before, during, or after the engagement.
Indeed, the inquiry concluded that the "great weight of evidence is that there was no such deal."