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Investigators from the National Road Safety Committee carry a box with the cockpit voice recorder of Sriwijaya Air flight SJ-182, which was taken from the waters off Java Island, where the passenger jet was in, during a press conference in the port of Tanjung Priok in Jakarta on March 31 January had crashed, was found. (AP photo)
JAKARTA, Indonesia – Indonesian navy divers recovered the cockpit voice recorder of a Sriwijaya Air jet that crashed into the Java Sea in January, killing all 62 people on board, officials said on Wednesday.
Transport Minister Budi Karya Sumadi said divers checked the cockpit recorder around 8 p.m. Tuesday local time, near the place where the flight data recorder was recovered three days after the accident.
The contents of the recorder were not immediately available. However, the device could help investigators determine why the Boeing 737-500 crashed into the ocean in heavy rain shortly after it took off from Jakarta on January 9th.
If the voice recorder is undamaged, it can report to investigators what the pilots did and didn’t do to regain control of the aircraft during its short, irregular flight.
Searchers have found aircraft parts and human remains from an area between the islands of Lancang and Laki in the Thousand Island chain to the north recovered from Jakarta. The flight recorder tracked hundreds of parameters showing how the aircraft was being operated.
Most retrieval attempts ended about two weeks after the crash, but there is still limited searches for the cockpit voice recorder’s missing memory unit that was present during of the crash apparently detached from other parts of the device.
The bright orange voice recorder was brought to Jakarta and handed over to the National Road Safety Committee, which oversees the investigation.
« We hope the KNKT will share information about it can what’s in this video recorder to improve our flight safety, « said Sumadi, referring to the Indonesian acronym for the transportation committee.
KNKT chairman Soerjanto Tjahjono said the device would go into the black box -Brought the establishment of the investigators. It will take five to seven days to dry and clean the device and download its data, he said. « Without the CVR … it would be difficult to determine the cause of the plane crash, » said Tjahjono. « We would disclose it transparently in order to avoid similar accidents in the future. »
Counter-administrator Abdul Rasyid Kacong, the fleet commander of the western region of the Navy, said the voice recorder was buried at a depth of 23 meters under 1 meter of seabed mud . Divers removed debris and performed « desludging » operations to reach the voice recorder, he said.
Data from a preliminary investigation report that did not contain any conclusions showed the aircraft’s left engine throttle to reverse on its own moved while the autopilot was on, reducing the power of that engine before the jet crashed into the sea.
This report included new details on ongoing issues with an autothrottle on the 737-500 Sriwijaya Air Jet and the airline’s efforts to fix this. An autothrottle can be used by pilots to automatically adjust the speed, reducing workload and engine wear.
The 26-year-old jet had been out of service for nearly nine months due to flight cuts due to the pandemic before leaving resumed commercial flights in December.
The disaster revived safety concerns in the aviation industry, which has grown rapidly with the economy since the fall of dictator Suharto in the late 1990s. The United States banned Indonesian airlines from operating in the country in 2007, but lifted that restriction in 2016, citing improved compliance with international aviation standards. The European Union lifted a similar ban in 2018.
Sriwijaya Air has had only minor security incidents in the past, although a farmer was killed in 2008 when an airplane pulled off the runway on landing due to a hydraulic problem.
Im In 2018, a Lion Air-operated Boeing 737 MAX 8 crashed shortly after taking off from Jakarta Airport, killing 189 people. An automated flight control system played a role in this crash, but the Sriwijaya Air Jet did not have this system.
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