South Korean police raided the offices of Jeju Air and the operator of Muan International Airport Thursday, as the investigation into the deadly Dec. 29 plane crash that killed 179 people ramped up.

South Korea was set Friday to move the tail section of the Jeju Air plane that crashed last week, killing 179 people in the worst aviation disaster on its soil, officials said.The investigation is headed by South Korean air safety officials,

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

Ultimately, the plane crashed, killing 179 people in South Korea’s worst aviation disaster. A standard pre-flight inspection found “no issues” with the Jeju Air passenger plane before it crashed.

A South Korean Jeju Air passenger jet crashed on landing at Muan International Airport on Sunday, killing 179 people in the country's deadliest air disaster.

A Jeju Air Boeing 737-800 skidded down the runway and crashed in a fireball in South Korea, and investigators are just beginning the process of figuring out why.

South Korean investigators probing a Jeju Air crash which killed 179 people in the worst aviation disaster on its soil said Wednesday they will send one of the retrieved black boxes to the United States for analysis.

South Korean police raided Jeju Air and the operator of the Muan airport as they ramped up their investigation into Sunday’s catastrophic plane crash that claimed 179 lives, marking the worst aviation disaster in the country’s recent history.

South Korean investigators said Saturday they were close to finalising the transcript of the cockpit voice recorder from a fatal plane crash that left 179 people dead last week. "The transcript of the cockpit voice recorder (CVR) is expected to be completed today,

A flight operated by Jeju Air crashed at 9:03 a.m. local time on Sunday while the plane was attempting to land at Muan International Airport near the southern tip of South Korea.

The Jeju Air crash in South Korea is an outlier in a country considered to be a gold standard for airline safety.