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Questions have been raised as to why the Boeing 737 MAX was approved so quickly, despite flaws in its flight system. By Jason Redmond (AFP / File)
Boeing said Monday that the flight stabilization system in the study after two fatal crashes of the 737 MAX, complied with all US regulations.
"The 737 MAX has been certified to meet the same requirements and processes of the Federal Aviation Administration that have governed the certification of all new aircraft and derivative products," Boeing said Monday.
Boeing and regulators are increasingly being examined by the Stall Prevention System (MCAS), which, according to authorities, could be a factor in fatal accidents that occurred in Indonesia in October, while that of Ethiopia at the beginning of the month had similarities.
"The FAA reviewed the final configuration and operating parameters of MCAS during the MAX certification, and concluded that it meets all certification and regulatory requirements," added Boeing.
Since the Ethiopian crash, which claimed the lives of 157 people, questions have been raised not only about Boeing, but also about the FAA and its close relationship with society.
Although it may take months to reach definitive conclusions, experts are wondering why the MCAS was given the green light despite objections from US pilots who had expressed concerns about the system.
The Lion Air accident investigation in October implicated the MCAS, which could mistakenly force the aircraft to descend when the autopilot was engaged, though it detected that the aircraft was flying. plane was in danger of stalling. Both accidents occurred shortly after take-off.
US pilots had complained about the flaw and Boeing was working on a software upgrade of the system and had issued new instructions on how to get around the problem in the meantime.
In service since May 2017, the 737 MAX 8, one of the variants of the 737 MAX, has now gone through two deadly tragedies, an unprecedented scenario for a new aircraft.
The Inspector General of the United States Department of Transportation is investigating the MCAS's approval by the FAA, the Wall Street Journal reported.
The paper also said that the Criminal Division of the Department of Justice was reviewing the development of the aircraft.
The 737 MAX has been certified as a variant of the 737 Next Generation, the aircraft that it has replaced, despite major differences between the engine and the MCAS, according to documents available on the FAA website.
However, due to budget constraints, the FAA has delegated some aspects of the approval process to Boeing, sources said.
As part of a program, called Organization Designation Authorization (ODA), Boeing employees are licensed by the FAA to help approve the aircraft – including design, production, flight testing, maintenance and other systems – and to sign pilot training procedures on new aircraft.
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