RT @flightradar24: On this week’s AvTalk, Jim Fawcett, lead flight test engineer at @Airbus, explains the real purpose behind the #A321XLR’s 13 hour test flight—and the challenge the pilots faced hand-flying the “XLR” over the Bay of Biscay. https://t.co/bBPKetXPDD https://t.co/Q8wPDTi0zl