Wirelessly posted (BlackBerry8530/5.0.0.1030 Profile/MIDP-2.1 Configuration/CLDC-1.1 VendorID/417)
"This also explains why they are extremely tight with zones. I.E. you can't fly US-India, or US-Australia via HKG on one award."
But you can fly to both Australia and India from the U.S. via HKG on an Explorer award, which will often be cost little more (and occasionally less) for a round-trip than using Partner, one-way awards.