ISLAMABAD: The Civil Aviation Authority (CAA) has issued a statement, which is being termed as an interim report, on completion of one year of the Airblue plane crash, official sources confirmed here on Thursday. According to the report, the plane flew into the Margalla Hills and crashed at a distance of 17.77 km from Islamabad. A detailed investigation by an expert team headed by President Safety Investigation Board was carried out. All aspects including internal/external sabotage, incapacitation of the aircraft systems, flight fire, bird strike or structural fatigue, human factor, organisational factors and others were adequately analyzed in the investigation. The report however does not state the cause or the reason behind the crash, nor does it hold anyone responsible. The interim report states that the investigation report has been completed and sent to the federal government. The investigation report will be released when comments from companies which manufactured and designed the place are received. All 152 passengers and crew on board were killed when Airblue flight 202 crashed into the Margalla Hills one year ago.