National Transportation Safety Committee
The National Transportation Safety Committee (NTSC; Indonesian: Komite Nasional Keselamatan Transportasi, KNKT) is an Indonesian government agency charged with the investigation of air, land, rail, and marine transportation safety deficiencies. It has its headquarters on the third floor of the Ministry of Transportation Building in Central Jakarta, Jakarta.
Source: Wikipedia — National Transportation Safety Committee (CC BY-SA 4.0)