On 3rd February, 1996 at about 1040 hrs the Maintenance crew of M/s PIAC Airbus(A-300) Reg. No. AP-BEL parked at bay No.59 was allowed by ATC to run its engines at idle engine rpm during the maintenance recove:cy process. The engineer started both the engines and during the running operation advanced both the engine power beyond idle. Due to the Airbus jet blast M/s Schon Air Cessna-152 registration No. AP-BES taxing via taxi way Hotel in front of bay No.59 was tilted and its right wing and engine propeller touched the ground; however, no personnel injury was caused.