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

Korean investigators' efforts to understand the Jeju Air Boeing 737-800 crash at Muan have suffered a setback after both ...

The two flight recorders on board a South Korean airliner stopped working before the jet crashed during an emergency landing ...

The discovery of the missing data suggests all power may have been cut, which is rare, a former government accident ...

The flight data and cockpit voice recorders on the Jeju Air jet that crashed on Dec. 29 stopped recording about four minutes ...

Jeju Air jet’s ‘black box’ stopped recording just minutes before the airliner hit a concrete structure at South Korea's Muan ...

The black boxes holding the flight data and cockpit voice recorders for the crashed Jeju Air flight that left 179 people dead ...

Authorities have said black boxes holding the flight data and cockpit voice recorders stopped recording around four minutes ...

The black boxes holding the flight data and cockpit voice recorders for the crashed Jeju Air flight that left 179 people dead ...

The two black boxes on the Boeing jet involved in the worst aviation disaster on South Korean soil stopped recording about ...

South Korean officials sent the voice recorder to be analyzed at an NTSB lab in the US after they discovered data was missing ...