%0 Journal Article %T Economic Assessment of the Effect of Longitudinal Autopilot Controller Tuning on Airline Operating Costs %A Sokolov, O.A. %A Ivanov, I.A. %A Kopilov, K.S. %K economic assessment, operating costs, automated control system, longitudinal channel, PID controller, optimization, fuel efficiency, actuators, aircraft downtime, net present value %J Journal of Applied Research %D 2026 %N 0 %P 0 %I ITBO University