Investigators from the NTSB and Boeing were expected to join the investigation into South Korea's deadliest air crash.

Maps and diagrams break down the final minutes of Jeju Air flight 2216 that ended in the deadliest air crash in South Korea.

A deadly plane crash Sunday killed nearly 179 people in South Korea, an enormous tragedy that led to a week-long period of mourning being declared in the country. As the victims and their families deal with the aftermath,