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JAKARTA (Reuters) – Indonesia is still trying to find the voice recorder of a Lion Air plane that crashed into the sea near Jakarta last month, although its signal "ping" is no longer detected, announced Thursday a transport safety sign.
The nearly nine Boeing Co. 737 MAX passenger aircraft crashed into the sea on October 29, just minutes after taking off from Jakarta, while it was heading to an island off the coast. from Sumatra, killing 189 people on board.
Authorities have downloaded data from one of the black boxes found a few days after the accident, the flight data recorder, but are still looking for the voice recorder of the post piloting.
"We are making every effort to find the CVR (voice recorder in the cockpit)," said parliament speaker Soerjanto Tjahjono, chairman of the Indonesian National Committee for Transport Safety (KNKT).
The research team was aiming for an area of a radius of 300 meters using sonar and dredging mud from the sea floor, although a signal initially heard by the recorder would was now not detected, he said.
Efforts to find the second black box have been hampered by strong currents and complicated by the presence of energy pipelines in the region.
The cockpit voice recorder could contain vital clues to help answer the problem that a new emergency system on the 737 MAX, designed to prevent it from stalling, would have could play in the accident.
After the accident, the US Federal Aviation Administration warned the airlines that incorrect inputs from the anti-stall sensors could cause the jet to nose down automatically even when the autopilot is off, which makes it difficult to control.
Boeing has already provided two updates to operators around the world, again emphasizing existing procedures for handling system-related situations.
Lion Air, one of Boeing's biggest customers around the world, said it will meet the US aircraft manufacturer next week to review the airline's orders for 261 Boeing 737 MAX aircraft until 2035.
KNKT is due to announce next Wednesday the preliminary results of its investigation into the accident.
Written by Ed Davies; Edited by Clarence Fernandez
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