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The Maneuvering Characteristics Augmentation System (MCAS) is a flight stabilizing feature developed by Boeing that became notorious for its role in two fatal accidents of the 737 MAX in 2018 and 2019, which killed all 346 passengers and crew among both flights.
MCAS was designed to counter this but some experts say it overcompensated and the latest changes give some authority back to the pilot. Boeing fix will prevent repeated activation of anti-stall ...
In a private meeting on November 27, 2018, American Airlines pilots pressed Boeing managers to develop an urgent fix for MCAS and suggested that the FAA require a safety review which in turn could have grounded the airplanes. [96] [97] A recording of the meeting revealed pilots' anger that they were not informed about MCAS. One pilot was heard ...
Pilot movement of the control column on the MAX did not disable MCAS, unlike an earlier implementation of MCAS on the U.S. Air Force Boeing 767 Tanker. During certification of the MAX , Boeing requested and received permission from the FAA to remove a description of MCAS from the aircraft manual, leaving pilots unaware of the system when the ...
A Boeing Co software fix for the grounded 737 MAX will prevent repeated operation of an anti-stall system at the centre of safety concerns and deactivate it altogether if two sensors disagree too ...
The crashes of Lion Air and Ethiopian Airlines in 2018 and 2019, which killed a total of 346 people, both involved the failure of a Boeing software system known as MCAS.
Boeing indicated that, as part of the functional hazard assessment development, flight crew assessments of MCAS-related hazards were conducted in an engineering flight simulator with motion capability, including the uncommanded MCAS operation (stabilizer runaway) to the MCAS maximum authority.
Robison, the author, said, “Boeing knew within weeks of the first crash that its MCAS system was implicated in the crash, but Muilenburg stuck very heavily to this story that the pilots should ...