Indonesia’s report on Lion Air 737 MAX crash faults Boeing design and FAA certification as well as airline’s maintenance and pilot errors
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The final report by air accident investigators into the Lion Air crash of a 737 MAX in Indonesia that killed 189 people a year ago provides a devastating critique of the design and certification of Boeing's new flight control system on the airplane.
It also apportions blame to Lion Air's maintenance work and its pilots, as well as a Florida firm that supplied a component, according to an advance copy reviewed by The Seattle Times.
"The design and certification of the MCAS (Maneuvering Characteristics Augmentation System) did not adequately consider the likelihood of loss of control of the aircraft," the report states. "A fail-safe design concept and redundant system should have been necessary for the MCAS."
The report is due to be released Friday in Indonesia, around midnight Thursday in Seattle.
The report found that after Boeing changed the original MCAS design, increasing its authority to move the horizontal tail, or stabilizer, from 0.6 degrees to 2.5 degrees, "the higher limit caused a much greater movement of the stabilizer than was specified in the original safety assessment document."
Among the recommendations for Boeing, it asks for:...
Read more https://www.seattletimes.com/business/boeing-aerospace/indonesias-investigation-of-lion-air-737-max-crash-faults-boeing-design-and-faa-certification-as-well-as-airlines-maintenance-and-pilot-errors/
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