Lion Air's Boeing 737 MAX Crash; Indonesia Recommends Redesign

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  • Indonesian rescue team members carry newly recovered debris of crashed Lion Air flight JT610 at Tanjung Priok port in Jakarta. Investigators examining the Indonesian crash are considering how a computer ordered the plane to dive in response to data from a faulty sensor and whether the pilots had enough training to respond appropriately to the emergency, among other factors. TEMPO/M. Taufan Rengganis

    Indonesian rescue team members carry newly recovered debris of crashed Lion Air flight JT610 at Tanjung Priok port in Jakarta. Investigators examining the Indonesian crash are considering how a computer ordered the plane to dive in response to data from a faulty sensor and whether the pilots had enough training to respond appropriately to the emergency, among other factors. TEMPO/M. Taufan Rengganis

    TEMPO.CO, Jakarta - Indonesia has recommended closer scrutiny of automated control systems, better design of flight deck alerts and accounting for a more diverse pilot population in the wake of a Boeing 737 MAX crash, the Seattle Times reported.

    The newspaper received an advance copy of a final report on the crash of a Lion Air jet that killed all 189 people on board on Oct. 29, 2018.

    Less than five months after the Lion Air accident, an Ethiopian Airlines 737 MAX crashed, leading to a global grounding of the model and sparking a corporate crisis at Boeing, the world's biggest planemaker.

    Indonesian investigators on Wednesday, Oct. 24, told families of the victims that a mix of factors contributed to the crash, including mechanical and design issues and a lack of documentation about how systems would behave.

    "Deficiencies" in the flight crew's communication and manual control of the aircraft contributed to the crash, as did alerts and distractions in the cockpit, according to slides presented to the families.

    The final report said the first officer was unfamiliar with procedures and in training had shown issues handling the aircraft, according to the Seattle Times.

    It also found that a critical sensor providing data to an anti-stall system was faulty and that there were strong indications that it was not tested during installation by Lion Air maintenance staff, the newspaper reported.

    In the report, Indonesian regulators recommended a redesign of an anti-stall system known as MCAS that automatically pushed the plane's nose down, leaving pilots fighting for control. Boeing has already said it would remake the system and provide more information about it in pilot manuals.

    The final report will be released publicly on Friday.

    REUTERS