The two black boxes – the sound recorder that records sound from the cockpit and the flight recorder that, among other things, registers the plane's altitude, speed, and direction – have been found.
However, the flight recorder lacks an important contact, which can make it more difficult to get answers on why the plane crashed, reports BBC.
Relatives of the 179 people who lost their lives in the accident have been waiting for information at the airport since Sunday. The mood has become increasingly upset as the identification of the bodies has taken longer, reports several media outlets.
But on Tuesday, the authorities began releasing the first bodies to the relatives, after a difficult task of identifying many of them.
Of the 179 victims, four have been handed over to grieving relatives, announced the country's transport minister Park Sang-Woo on site at the airport in Muan, according to AFP.
For 28 victims, whose identities have been confirmed and autopsies completed, we will allow funeral proceedings from 2 pm today with their families' consent.
According to the local TV station KBC, nine of the deceased belonged to the same family. One of them was the plane's oldest passenger, who was on his first trip in life together with his wife, two daughters, a son-in-law, and four grandchildren.
A group of investigators from the USA, including representatives from Boeing, has arrived in South Korea to assist in the work.
