Due to the growth of the air traffic and the speed the tasks of the air traffic control relative to the safety of traffic was increased. So finding optimal solution to control an aircraft in flight is very important. The improvements achieved by using an intelligent controller in comparison with conventional one are simulated.

Keywords: Artificial Intelligence (AI), Automatic Flight Control System (AFCS), Gain Scheduling (GS), Flight Conditions (FC), Digital Flight Recorder (DFR).