P A P E R III Category X : Autopilot fitted on Aircraft having AUW below 5700 Kgs. ___________________________________________________________ Knowledge of the general principle employed in the operation of autopilot system. Knowledge of the construction and functioning of all types hydraulic and electrical autopilots. Detailed knowledge of the methods of carrying out overhauls and repairs to autopilots. Detailed knowledge of the inspections necessary to detect defects in autopilots; operation, adjustment and rectifica- tion of the defects and steps taken to prevent recurrence. Knowledge of the inspection of components/ parts of autopi- lots. Knowledge of the equipments/ instruments/ rigs required for testing the autopilots and detailed knowledge of the meth- ods/ procedures employed in carrying out the functional/ serviceability tests of the autopilot system after repair/ overhaul. Knowledge of the selection and inspection of materials used in the construction, repair and overhaul of autopilot. Knowledge of the interpretation of circuit diagrams. Knowledge of the conventional methods of calibrating/ adjusting and testing of autopilots.