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In page Air Berlin:
"In April 2016, Air Berlin announced a record loss of €446 million for 2015; the airline's revenues had decreased to €4.08 billion.[1] Amongst the reasons considered for Air Berlin's poor performance were: crippling debt of over €800m; unclear and rapid strategy changes on routes and advertising; several CEOs over recent years; a five-year-plus delay to the new hub Berlin Brandenburg Airport; failed negotiations to profit from lower fuel prices and the overall harsh competition in the airline industry.[2]
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