Joo earlier said both of the plane’s black boxes were retrieved, and for the cockpit voice recorder “the initial extraction has already been completed”.
“Based on this preliminary data, we plan to start converting it into audio format,” he said, meaning investigators would be able to hear the pilots’ final communications.
The second black box, the flight data recorder, “was found with a missing connector”, Joo said.
Officials initially pointed to a bird strike as a possible cause of the disaster, but they have since said the probe was also examining a concrete barrier at the end of the runway, which dramatic video showed the Boeing 737-800 colliding with before bursting into flames.
They also said that a special inspection of all Boeing 737-800 models operated by local carriers was examining their landing gear after questions over a possible mechanical failure in the crash.
The ongoing inspections are “focusing mainly on the landing gear, which failed to deploy properly in this case”, said the director general for aviation safety policy, Yoo Kyeong-soo.
So many people came to the memorial that the queue stretched for hundreds of metres and the local cell phone network was overloaded, local media reported.
Local officials sent out a safety alert asking mourners to go to a different memorial, as the one at the airport was too busy. Other altars for the victims have been set up nationwide.
Inside the airport, where families have been camped out since the accident, a medical space has been set up to administer IV drips to grieving relatives, many unable to eat due to stress, an official said during a briefing.
Officials have said the bodies were extensively damaged by the crash, making the work of identifying remains slow and immensely difficult, while investigators had to preserve crash-site evidence.
But the country’s acting president Choi Sang-mok, who has been in office less than a week, said Wednesday the process had finally been completed, and that more bodies had been handed over to relatives so that they could hold funerals.
“Our investigators, along with the US National Transportation Safety Board and the manufacturer, are conducting a joint investigation into the cause of the accident,” Choi said at a disaster response meeting.
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