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

The two flight recorders on board a South Korean airliner stopped working before the jet crashed during an emergency landing and subsequent crash that killed 179 of the 181 people on board, officials said Saturday.

SEOUL (Reuters) -South Korea plans to improve the structures housing the antenna that guide landings at its airports this year following December's fatal crash of a Jeju Air plane, which skidded off the runway and burst into flames after hitting such a structure.

South Korea’s leading low-cost carrier, heavy with debt and its stock already near record lows, is now facing intense public and government scrutiny.

South Korea Eyes Changes As Jeju Air Crash Probe Continues is published in Aviation Daily, an Aviation Week Intelligence Network (AWIN) Market Briefing and is included with your AWIN membership. Already a member of AWIN or subscribe to Aviation Daily through your company? Login with your existing email and password

The black boxes holding the flight data and cockpit voice recorders for the crashed Jeju Air flight that left 179 people dead stopped recording four minutes before the disaster, South Korea's transport ministry said Saturday.

South Korea said it planned to improve the structures housing the antennas that guide landings at its airports this year after December's fatal crash of a Jeju Air plane, which skidded off the runway and burst into flames after hitting such a structure.

The nation’s transport ministry reviewed structures near airport runways following the deadly crash of a Jeju Air flight late last month.