Anton Sahadi, 30, sat in confusion as he heard the explanation from the National Transportation Safety Committee (KNKT) from the final investigation report into Lion Air flight JT610 that crashed into the Java Sea almost a year ago. Two of his cousins, Muhammad Ravi Andrian and Riyan Aryandi, were among the 189 people killed in the downed aircraft, which was en route from Jakarta to Pangkalpinang in Bangka Belitung Islands province on Oct. 29, 2018. Anton said a long list of questions remained unanswered for him and his family, including who would take full responsibility for the crash and whether the Lion Air Group would face sanctions.  “We just want to get some concrete answers, or at least clarity about who is going to take full responsibility over this accident. At least, the Lion Air Group as the airline operator should get administrative sanctions, but I think ...