Not Just does an airplane burn off by way of a number of Power acquiring off the bottom, but they also burn up many gasoline when their engines are idling on the bottom, so the number of layovers you might have on the trip to Australia will have an effect https://businessclassflightstosydney.wordpress.com/2025/01/30/how-to-find-the-best-first-class-flight-before-your-next-trip/