Investigation Report
The Komite Nasional Keselamatan Transportasi (KNKT) released an aircraft accident investigation report regarding the accident of PT. Indonesia Air Asia flight on 28 December 2014. The aircraft, an Airbus A320-216 registered as PK-AXC, was located in the Karimata Strait at coordinates 3°37’19”S - 109°42’41”E. The report comprises factual information, analysis, and conclusions, including findings and contributing factors. The investigation was conducted in accordance with Annex 13 to the Convention on International Civil Aviation, the Indonesian Aviation Act, and Government Regulation. The report is confined to matters of safety significance. It covers topics such as flight history, injuries to persons, damage to aircraft, personnel information, aircraft systems (including rudder travel limiter and flight augmentation computer), meteorological conditions, flight recorders, and maintenance handling. The analysis includes sections on un-commanded aircraft roll, electrical interruption, rudder travel limiter system message handling, side stick inputs, pilot recognition of stall, crew resource management, and maintenance handling. The conclusion presents findings and contributing factors. The report is intended to enhance aviation safety and not to imply blame or liability.