"I don't know why (they would not talk) to tell you the truth, " said Ballantyne of Orient Aviation.

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"Laws covering employment and particularly discrimination tend to be less rigid in Asia, " agrees Tom Ballantyne, aviation expert and chief correspondent for Hong Kong-based "Orient Aviation" magazine.

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Tom Ballantyne of the Orient Aviation Magazine in Sydney told the BBC's World Business Report he believes it is unlikely those parties who had previously expressed an interest in Ansett would renew their interest.

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"It's a matter of getting the contracting states around the table and acknowledging this is a serious issue: that the number of unruly passengers is on the rise and it needs to be decided how countries address this, " Steve Lott, former International Air Transport Association head of corporate communications in North America, told Orient Aviation magazine in 2010.

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