What are application of computer in Air lines

Operations: Selling Tickets and making reservations for passengers and tracking their luggage. Air Operations: Scheduling aircraft flights and managing flight crew work hours so they will not exceed their maximum awake hours. Predicting the best routes and the amount of passengers for the next season. Maintenance: Tracking maintenance for aircraft, including time critical components. Track reliability of parts in order to identify a problem part or the decline of reliabilty of a system or its parts. Plan for spares. Sales: Customer feedback.