Indonesian Navy divers have recovered the cockpit voice recorder (CVR) from Lion Air flight 610, a Boeing 737 MAX that crashed into the sea Oct. 29, 2018.

Photos show the heavily scratched CVR after its recovery, although it is not yet known if the device is damaged. Local media reports indicate the CVR was found buried in mud at a seabed depth of 30 m (98 ft.), about 50 m from where the flight data recorder (FDR) was found.

The Boeing 737 MAX aircraft crashed soon after takeoff from Jakarta, killing all 189 passengers and crew. The FDR was located and recovered within days of the crash, but mud, strong currents and other factors impeded the search for the CVR. Tracking signals had been detected from the CVR in November. The 90-day battery life of the device’s tracking beacon was due to expire around the end of January.

Lion Air called off its search for the CVR on Dec. 29, 2018. However, the effort was relaunched with assistance of the Indonesian Navy.

The CVR could shed more light on what happened during the final flight of the Lion Air aircraft. Other evidence, including data retrieved from the FDR, indicates the pilots were struggling to control the aircraft prior to the crash. According to a preliminary report, the aircraft’s automatic trim system kept pitching the aircraft down because of faulty inputs from angle of attack sensors.

Adrian Schofield,

Chen Chuanren,