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.

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.

Before the plane crash, Muan was perhaps best known for its delicacies including mudflat octopus and dried seaweed.

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.

Jeju Air’s passenger plane smashed into a concrete wall after an emergency landing at Muan international airport in South Korea

Jeju Air Flight 7C2216 crashed in South Korea on Sunday, killing 179 people on board.

South Korea's policy agency said on Tuesday it was making efforts to expedite the process of identifying dead bodies from the Jeju Air plane crash that killed 179 people on Sunday.

A Jeju Air passenger plane carrying 181 people skidded down the runway at Muan International Airport in South Korea on Sunday, December 29, before crashing. Yonhap news agency, citing firefighting ...

South Korean police on Thursday, January 2, raided Jeju Air’s regional aviation office, the office is in Seoul, and the crash site as a part of the ongoing investigation, reported the news agency AFP.

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

South Korean police said they raided Muan airport and the Jeju Air office on Thursday over the crash involving one of the carrier’s Boeing 737-800s that killed 179 people.