FILE- In this Wednesday, May 7, 2014, file photo, Alitalia planes wait on the tarmac prior to take off from the Linate airport, in Milan, Italy. Fast-growing Gulf carrier Etihad Airways says it and Alitalia have reached a deal in principle for the United Arab Emirates-based airline to buy a 49 percent stake in the struggling Italian airline. (AP Photo/Luca Bruno, File)