Indonesian regulators have 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 Lion Air Boeing Co 737 MAX crash.
According to slides presented on Wednesday to the families of the 189 people on board who died, “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.
The Seattle Times newspaper received an advance copy of a final report on the crash of the Lion Air jet on October 29 last year.
Less than five months after the Lion Air accident, an Ethiopian Airlines 737 MAX crashed on March 10, leading to a global grounding of the model and sparking a corporate crisis at Boeing, the world’s biggest plane maker.
Indonesian investigators told the families that a mix of factors contributed to the crash, including mechanical and design issues and a lack of documentation about how systems would behave.
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.
-with AAP
The post Boeing design faults and pilot error in Lion Air 737 Max crash report appeared first on The New Daily.
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