KUALA LUMPUR: Despite being an investigator for almost two decades, analysing the Indonesia AirAsia flight QZ8501 will be one of the toughest challenging for Nurcahyo Utomo, who knew the pilot personally. The National Transportation Safety Committee investigator, Nurchayo said listening to recording from black boxes over and over again can be disturbing and requires utmost mental strength. “Listening to the playback of a black box involved in a crash is not like listening to music or a discussion. “We are listening to a recording that represents the last moments before the crash and it is disturbing. There are times where...