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.

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,

Investigators from the NTSB and Boeing were expected to join the investigation into South Korea's deadliest air crash.