> On the Boeing 737 MAX, MCAS was intended to mimic pitching behavior similar to aircraft in the previous generation of the series, the Boeing 737 NG. MCAS activated by input from only one of the airplane's two angle of attack sensors, making the system susceptible to a single point of failure. It could not be instinctively disabled by pulling on the control yoke. During aircraft certification, Boeing removed a description of MCAS in the MAX flight manuals, leaving pilots unaware of the system when the airplane entered service.[73]
Software can't invent sensor input. And hiding information from pilots being trained is not a software error.
>Boeing’s 737 MAX aircraft were grounded in 2019 after two fatal crashes caused partly by a software flaw.
Hm, I thought it was more related to Boeing's management misrepresented MCAS to avoid scrutiny.
From wikipedia https://en.wikipedia.org/wiki/Boeing_737_MAX_groundings :
> On the Boeing 737 MAX, MCAS was intended to mimic pitching behavior similar to aircraft in the previous generation of the series, the Boeing 737 NG. MCAS activated by input from only one of the airplane's two angle of attack sensors, making the system susceptible to a single point of failure. It could not be instinctively disabled by pulling on the control yoke. During aircraft certification, Boeing removed a description of MCAS in the MAX flight manuals, leaving pilots unaware of the system when the airplane entered service.[73]
Software can't invent sensor input. And hiding information from pilots being trained is not a software error.
But really this is just a good excuse to re-post Paul Ross's excellent talk on Blame and the Fallacy of Root Cause Analysis: https://pyvideo.org/pycon-uk-2017/blame-and-the-fallacy-of-r...