I cannot for the life of me imagine why an otherwise intelligent person would want to go to exciting, cosmopolitan New Zealand. But you might try looking at <a href="http://www.flyaow.com/classwt.htm" target="_blank">http://www.flyaow.com/classwt.htm</A> / Absent some input from helpful Quantas employees, this will at least offer you some help in estimating loads. Regards.