On November 10, 1984, at 0640 hours, a ground incident occurred at Islamabad Airport involving a parked and unoccupied Fokker F-27, registration AP-AUX. The sequence of events was as follows: Technical Context: Senior Technician Mr. Misbah-ud-Din had finished rectifying a defect on the aircraft's GYRO HORIZON and required a Ground Power Unit (G.P.U.) to verify the repair. Unauthorized Operation: Unable to find the assigned driver for G.P.U. No. 645, the technician decided to drive the vehicle himself to Bay No. 3 to complete the check. Mechanical Failure: As the technician approached the nose of the aircraft, he attempted to stop the vehicle, but the G.P.U.'s brakes failed completely, with the pedal going fully to the floor. Personnel Qualifications: Although he was not the designated driver for that specific unit, the technician held a valid apron driving license for light vehicles and a civil learner's license for heavy vehicles. The technician's actions were noted as being motivated by a high sense of duty to ensure the aircraft's serviceability.
