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Addressing American Airlines pilots, Boeing vice-president Mike Sinnett contradicted reports that the MCAS had a single-point failure, because the pilots themselves are the backup. Reporter Useem said in The Atlantic it was "showing both a misunderstanding of the term and a sharp break from Boeing's long-standing practice of having multiple ...
[65] [66] [67] The MCAS control law, a few lines of software code in the FCC, could autonomously command nosedives, when even a single sensor failure resulted in bad data; MCAS was omitted from aircraft manuals and training, [68] therefore flight crews had no knowledge of its existence or functioning until Boeing published a bulletin on November 6.
Boeing indicated that, as part of the functional hazard assessment development, flight crew assessments of MCAS-related hazards were conducted in an engineering flight simulator with motion capability, including the uncommanded MCAS operation (stabilizer runaway) to the MCAS maximum authority.
Boeing’s plan to get back on solid footing after a series of quality flaws in its bestselling jet suffered a near disaster when a plane panel blew out during an Alaska Airlines flight, leaving a ...
The grounding could impact investor sentiment and passenger confidence following the MAX-737 recertification in 2020.
The National Transportation Safety Board has issued an urgent warning to airlines that fly the Boeing 737, saying a failure first seen on a United Airlines flight in February could cause problems ...
The Boeing 737 MAX airliner, which began service in 2017, was involved in two fatal accidents, Lion Air Flight 610 on October 29, 2018, and Ethiopian Airlines Flight 302 on March 10, 2019, that resulted from a malfunction of the aircraft's new flight stabilizing software, [1] the Maneuvering Characteristics Augmentation System (MCAS).
On April 29, he claimed that the pilots did not "completely" follow the procedures that Boeing had outlined. He said Boeing was working to make the airplane even safer. [53] [54] On August 4, 2019, Boeing stated they conducted around 500 test flights with updated software, [55] and Wired reported that one test flight involved multiple altitude ...