The flight recorder of the Jeju Air passenger jet that crashed final month, killing 179 individuals, stopped recording for its final 4 minutes, South Korean officers mentioned on Saturday, a major setback for investigators.
Knowledge extracted from the so-called black field, consisting of the cockpit voice recorder and the flight knowledge recorder, is mostly essential in investigations of aviation accidents. Officers in South Korea, who’ve been working with america’ Nationwide Transportation Security Board, have mentioned that the flight knowledge for the airplane’s last four minutes can be particularly vital on this crash.
However on Saturday, South Korea’s Ministry of Land, Infrastructure and Transport mentioned that for causes not but decided, the black field of the Boeing 737-800 had stopped recording then.
“We plan to research why the info was not recorded,” the ministry mentioned in a information launch. It additionally mentioned that different knowledge and evaluation can be used to attempt to perceive what occurred in final month’s catastrophe.
Jeju Air Flight 7C2216, coming from Bangkok with 181 individuals on board, was making ready to land at Muan Worldwide Airport in southwestern South Korea at 8:59 a.m. on Dec. 29 when its pilot reported, “Mayday, mayday, mayday,” and, “Chook strike, fowl strike,” based on officers. The pilot additionally advised the air site visitors management tower that he was “going round,” which means he would abort his first touchdown try and circle within the air to arrange for a second one.
However he apparently didn’t have sufficient time to make a full circle. As a substitute, the airplane approached the runway from the wrong way and landed on its stomach, with out its touchdown gear deployed. Seeming unable to regulate its velocity, it overshot the runway. 4 minutes after the Mayday emergency report, the airplane slammed right into a concrete construction off the southern finish of the runway and exploded into flames.
A key query has been: What occurred throughout these 4 minutes?
“The black field knowledge is essential in the investigation,” mentioned Hwang Ho-won, the chairman of the Korea Affiliation for Aviation Safety. “If the investigators don’t have it, it can create a significant issue for them.”
The lacking knowledge provides thriller to the crash, which was the worst aviation catastrophe on South Korean soil and the deadliest worldwide since that of Lion Air Flight 610 in 2018, when all 189 individuals on board died.
Mr. Hwang mentioned black containers might be broken by influence, fireplace or extended publicity to deep water. Nevertheless it was laborious to elucidate how the Jeju Air black field did not document in its final 4 minutes, he mentioned.
He mentioned that investigators may be capable to reconstruct a part of the dialog contained in the cockpit primarily based on interviews with management tower officers. Radar and different knowledge urged that the airplane tried however failed to realize altitude after reporting a fowl strike and hurried to land, Mr. Hwang mentioned.
Investigators have mentioned they had been trying into varied potentialities, together with that of the airplane shedding use of 1 or each of its engines in its final minutes.
A lot of the 179 individuals who died had been South Koreans returning dwelling from a Christmas vacation in Thailand. The 2 survivors had been each crew members discovered with accidents within the airplane’s tail part.
The catastrophe prompted a nationwide outpouring of grief, with memorials arrange throughout South Korea, and got here because the nation was additionally coping with a political crisis set off by President Yoon Suk Yeol’s short-lived imposition of martial legislation and his impeachment by Parliament.
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