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NYT: US Aviation Regulator did not conduct stress tests of the Boeing 737 Max system

The experts did not fully understand how the system for improving the characteristics of maneuverability works, errors in which could lead to disasters.

Boeing 737 Max Snapshot: Ted S. Warren, AP

Experts from the United States Federal Aviation Administration (FAA) did not fully understand how the maneuverability enhancement system (MCAS) works, errors in which could have caused the Boeing 737 Max crash. This was reported by The New York Times.

Management staff reviewed their reports and concluded that they did not perform sufficient stress tests of this system. Due to staff turnover, two inexperienced engineers supervised the early work of MCAS. Later, Boeing decided to expand the use of the system without notifying the aviation controller. The pilot who tried the liner allegedly knew about the changes, but his job was to assess the flight of the aircraft, and not to determine the safety of the MCAS system.

FAA and Boeing representatives told reporters that certification processes are well established and engineers consistently check all systems. “The certification program for the 737 Max included 110,000 hours of work on the part of FAA personnel, including flights or support for 297 test flights,” said the aviation controller.

March 10 Boeing 737 Max 8 Ethiopian Airlines airlines operating flights from Addis Ababa to Nairobi, suffered a crash. On board were 157 people, they all died. This is the second accident with the aircraft of this model over the past six months: in October 2018, the Indonesian aircraft Lion Air crashed . After the disaster in Ethiopia, most countries, including Russia, have banned the use of the Boeing 737 Max 8.

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