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We consider the recovery of an airline schedule after an unforeseen event, called disruption, that makes the planned schedule unfeasible. In particular we consider the aircraft recovery problem for a heterogeneous eet of aircrafts, made of regular and reserve planes, where the aircrafts' maintenances are planned in an optimal way in order to satisfy the operational regulations. We propose a column generation scheme, where the pricing problem is modeled as a commodity ow problem on a dedicateddoi:10.1016/j.cor.2009.08.006 fatcat:x5zuec6fqfczloatop6iqyhlw4