The flight data and cockpit voice recorders on the Jeju Air jet that crashed on Dec. 29 stopped recording about four minutes before the airliner hit a concrete structure at South Korea’s Muan airport, the transport ministry said on Saturday.

Authorities investigating the disaster that killed 179 people, the worst on South Korean soil, plan to analyze what caused the “black boxes” to stop recording, the ministry said in a statement.

The voice recorder was initially analyzed in South…