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.

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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.