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November 25, 2020 11:02 pm

European Regulators Prepare For MAX To Return To Service In 2021

thegreatbob writes: Looks like the main additions over the FAA's requirements are some additional pilot training requirements. The actual EASA statement can be found here. Confirms what the available information had been pointing to: the plane flies tolerably without its Maneuvering Characteristics Augmentation System (MCAS), but does not meet certification criteria. [The MCAS was a software system installed on the Max by Boeing to compensate for the Max having larger engines than its predecessors in the 737 family of airliners. Those larger engines changed the way the aeroplane responded to its controls, requiring a software system to keep it within certifiable limits.] The EU Aviation Safety Agency made the announcement after confirming the airliner will return to European skies in January 2021. Patrick Ky, chief of EASA, said in a statement: "EASA's review of the 737 MAX began with the MCAS but went far beyond. We took a decision early on to review the entire flight control system and gradually broadened our assessment to include all aspects of design which could influence how the flight controls operated. This led, for example, to a deeper study of the wiring installation, which resulted in a change that is now also mandated in the Proposed Airworthiness Directive." Ky added: "We also pushed the aircraft to its limits during flight tests, assessed the behavior of the aircraft in failure scenarios, and could confirm that the aircraft is stable and has no tendency to pitch-up even without the MCAS." A spokesperson for EASA clarified that the Max's MCAS "is necessary to meet the safety regulation and obtain the necessary safety margins. However, when it is lost (failed and inoperative), an averagely skilled and trained crew is still able to safely fly and land the airplane."

Read more of this story at Slashdot.


Original Link: http://rss.slashdot.org/~r/Slashdot/slashdot/~3/j-hpsKKWUL8/european-regulators-prepare-for-max-to-return-to-service-in-2021

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