South Korea's transport minister said on Tuesday he intends to step down to take responsibility for the deadly crash of a Boeing jet operated by Jeju Air on Dec. 29.

The temporary closure of Muan Airport has been extended until January 14 as the investigation into the Jeju Air crash continues.

Relatives of the victims of a fatal plane fire in South Korea on Wednesday visited Muan airport, the site of the disaster. All but two of the 181 people aboard the Boeing 737-800 operated by South Korean budget airline Jeju Air died in Sunday's crash.

Investigators on Saturday compiled the complete transcript from the cockpit voice recorder recovered from the wreckage of the Jeju Air Boeing 737-800.

South Korea plans to review the concrete walls positioned just beyond the end of some airport runways after an aircraft attempting an emergency landing smashed into one just over a week ago, killing almost everyone on board.

After overcoming pariah status at the end of the last century, South Korea must learn what caused the catastrophe on Dec. 29 and what lessons to draw from it.

Bird feathers have been found in an engine recovered from the site of the deadly Jeju Air flight which crashed-landedand killed 179 people in South Korea, investigators said. The Boeing 737 -800 skidded off a runway at Muan International Airport and hit a concrete fence,