Highland
Firstly, how would the Aussies know unless someone told them ?
- which is entirely possible.
"It could have been heading towards Oz, they must have been prepared for that scenario after 9/11."
Apart from Perth and Darwin and a few other smaller towns and cities, the rest of Aus is one GAFA - Great Australia F All,
1000's of Kms of sand and desert and a long way to get to another big city.