The missing data deepens the puzzle of what caused the deadly air disaster in Muan, South Korea, late last month.

The investigation into the Jeju Air crash has hit a major roadblock after it was revealed that the aircraft’s black box did ...

At 8:59 a.m., the pilots responded to the control tower with an emergency "mayday mayday mayday," just minutes before the ...

Photo: AFP/Getty Images SEOUL—At 8:57 a.m. on Sunday, the control tower at South Korea’s Muan International Airport issued an alert to a Jeju Air flight approaching: “Caution: Bird Activity.” ...

Officials are investigating the cause of the deadliest aircraft crash in South Korean history, which killed 179 people.

The flight was carrying 181 passengers and crew when it belly-landed before slamming into a barrier, killing all aboard except two flight attendants.

Search operations at the site of the Jeju Air plane crash concluded on Saturday, one week after the devastating accident ...

The plane was carrying 181 people from Thailand to South Korea when it issued a mayday call and belly-landed before hitting a ...

Search operations at the site of the Jeju Air plane crash concluded on Saturday ... and crew from Thailand to South Korea, issued a mayday call before belly-landing and slamming into a barrier.