| dbo:abstract
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- 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, the Maneuvering Characteristics Augmentation System (MCAS). After the Ethiopian Airlines crash, China and most other civil aviation authorities grounded the airliner over perceived safety risks. Boeing CEO Dennis Muilenburg assured President Donald Trump the airplane was safe, in response to Trump's social media comments. Having new evidence of accident similarities, the U.S. Federal Aviation Administration (FAA) grounded the aircraft on March 13, 2019, reversing a Continued Airworthiness Notice issued two days prior. About 30 MAX aircraft were flying in U.S. airspace at the time and were allowed to reach their destinations. By March 18, regulators grounded all 387 MAX aircraft in service with 59 airlines worldwide and making 8,600 flights each week. Several ferry flights were operated with flaps extended to circumvent MCAS activation. The grounding subsequently became the longest ever of a U.S. airliner. As of January 2020, another 400 newly manufactured aircraft await delivery to airlines pending the aircraft's return to service. (en)
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| rdfs:comment
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- 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, the Maneuvering Characteristics Augmentation System (MCAS). The grounding subsequently became the longest ever of a U.S. airliner. As of January 2020, another 400 newly manufactured aircraft await delivery to airlines pending the aircraft's return to service. (en)
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