Boeing says optional 737 MAX alert was 'not activated as intended' before Indonesia crash
Boeing offered customers two optional paid features relating to AOA. The first was an AOA DISAGREE alert when the two sensors disagreed and the second was an indicator giving pilots a gauge of the actual angle.
Boeing offered customers two optional paid features relating to AOA. The first was an AOA DISAGREE alert when the two sensors disagreed and the second was an indicator giving pilots a gauge of the actual angle. Reuters