Originally Posted by
DownUnderFlyer
The OP was indicating one to two return trips to Australia per year so that is enough for the 4 segment requirement. However things might change in the future and then this might be hard to maintain when you are based in the US.
Very true but if it looks like being one trip only, make sure you transit to a separate flight number in HKG/SIN/BKK or stopover to ensure the LHR-SYD/MEL doesn't count as one sector. If you're doing side trips in Australia, then this shouldn't be such an issue.