MAINTENANCE AND CREW CONSIDERATIONS IN FLEET ASSIGNMENT

Given a flight schedule, which is a set of flight segments with specif ied departure and arrival times, and a set of aircraft, the fleet assi gnment problem is to determine which aircraft type should fly each fli ght segment. The objective is to maximize revenue minus operating cost s. In the basic fleet assignment problem considered by Hane et al. (19 95) a daily, domestic fleet assignment problem is modeled and solved w ith up to eleven fleets and 2,500 flight legs. This paper provides mod eling devices for including maintenance and crew considerations into t he basic model while retaining its solvability.