You've probably heard it, that peculiar barking sound from an Airbus A320 (flown by easyJet, Jet2 BA, etc), usually just as you've settled in for a pleasant flight. It sounds rather like an indignant dog has taken up residence in the cabin. Rest assured, there is no dog. The noise is perfectly normal, though that may or may not be comforting depending on your attitude towards strange noises onboard aircraft. What I would say though, is don't be like this passenger who wanted