controller, A/P trim 900-0100 control amplifier, altitude 900-0100 control amplifier, altitude 900-0100 control amplifier, altitude C4781 control, compass control, roll stab compass 914-0100 control, altitude Automatic pilot control; follow-up control, roll stab compass C1321/ASA69 control panel, CM direction finder C-1933/ALR3 control panel, radar system C-1933/ALR3 control panel, radar system
