My fellow aviation geeks will appreciate these fast facts on the new Qantas non stop flight from Perth to London: 1. QF9 is operated by four pilots across the 17-hour journey, with one or two pilots resting at any one time. 2. The flight will follow different flight paths depending on the best winds, helping the aircraft fly faster and more efficiently. Qantas analysed a decade of seasonal wind patterns in preparation for the new service. 3. At 14,498km, QF9 is the third