The trick to bringing a dog out with you is to MAKE sure they are contained at all times (lead, X-pen, crate, etc.), and two is to socialize them prior to their outing to the flying sites. Aussies are great dogs, but they can be a challange especially at 2 years and younger, in other words, they are prone to getting into trouble, also if you are looking at Aussies males tend to be easier to train (of course I think males are superior, I just don't tell my wife