Before it suffered the deadliest crash in South Korea's history, budget airline Jeju Air was moving fast: racking up record passenger numbers and flying its aircraft more than domestic rivals and many of its global peers,

After overcoming pariah status at the end of the last century, South Korea must learn what caused the catastrophe on Dec. 29 and what lessons to draw from it.

Two people, both flight attendants, are the only survivors of the crash and are being treated at South Korean hospitals.

The aftermath of the Jeju Air crash at Muan International Airport in Muan County, South Jeolla Province, has dealt a severe blow to Vietnamese tourist destinations popular with South Koreans, leading to a significant drop in travelers.