Automatic workstation (AWS) is a standalone PC based ground tester used for checking the operability of the power plant of SU-30 MKi aircraft during ground run. AWS is a compact tester realized using state-of-the-art technology which consists of a rugged computer and a signal switching unit that interfaces with the engine control unit, external pressure and vibration sensors. AWS is used to carry out the scheduled checks, repair and fault detection of the important components of power plant.