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This article is part of a series about the |
Boeing 737 MAX |
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Accidents |
737 MAX groundings |
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).
After the Ethiopian Airlines crash, China and most other civil aviation authorities grounded the airliner over safety concerns. Other jurisdictions, including the U.S., followed suit as new evidence revealed similarities between both crashes. The groundings were ordered despite Boeing CEO Dennis Muilenburg's public assurances that the airplane was safe and a phone conversation with President Trump in which he "reiterated to the President our position that the MAX aircraft is safe", according to a Boeing statement. [2] In response to increasing domestic and international pressure to take action, [3] [4] [5] the U.S. Federal Aviation Administration (FAA) grounded the aircraft on March 13, 2019, reversing a Continued Airworthiness Notice issued two days prior. [6] About 30 MAX aircraft were flying in U.S. airspace at the time and were allowed to reach their destinations. [7] By March 18, every single Boeing 737 MAX plane (387 in total) had been grounded, which affected 8,600 weekly flights operated by 59 airlines across the globe. [8] Several ferry flights were operated with flaps extended to circumvent MCAS activation.
The grounding subsequently became the longest ever of a U.S. airliner. [9] [10]
March 11
March 12
March 13
March 14
March 16
June 27
After the Ethiopian Airlines crash, some airlines proactively grounded their fleets and regulatory bodies grounded the others. (This list includes 6 more 737 MAX aircraft than the official FAA record; these aircraft may have powered on their transponders, but not delivered to an airline. Some pre-delivered aircraft are located at Boeing Field, Renton Municipal Airport and Paine Field airports). [92]
At the time of its grounding, the MAX was operating 8,600 flights per week. [8]
About thirty Boeing 737 MAX aircraft were airborne in U.S. airspace when the FAA grounding order was announced. The airplanes were allowed to continue to their destinations and were then grounded. [7] In Europe, several flights were diverted when grounding orders were issued. [154] For example, an Israel-bound Norwegian 737 MAX aircraft returned to Stockholm, and two Turkish Airlines MAX aircraft flying to Britain, one to Gatwick Airport south of London and the other to Birmingham, turned around and flew back to Turkey. [155]
On June 11, 2019, Norwegian Flight DY8922 attempted a ferry flight from Málaga, Spain to Stockholm, Sweden.[ citation needed ] However, the aircraft was refused entry into German airspace, and diverted to Châlons Vatry, France. [156] [157]
In a rare exemption, Transport Canada approved eleven flights in August and September 2019, partly to maintain the qualifications of senior Air Canada training pilots, because the airline has no earlier-generation 737s within its fleet. The airline used the MAX during planned maintenance movements, and ultimately flew it to Pinal Airpark in Arizona for storage. [158]
In early October 2019, Icelandair moved two of its five MAX 8s for winter storage in the milder climate of northern Spain, making the entire flight with flaps extended to prevent MCAS activation. [159] [160]
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