Boeing explains development process behind sensors on planes that crashed

FILE PHOTO: A Boeing 737 MAX 8 sits outside the hangar during a media tour of the Boeing 737 MAX at the Boeing plant in Renton, Washington December 8, 2015. REUTERS/Matt Mills McKnight/File Photo
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Matt McKnight(Reuters)
CHICAGO (Reuters) – Boeing Co set out in greater detail on Sunday the development process that led it to make the AOA Disagree alert a standard item on the 737 MAX before it returns to service, responding to a series of negative press reports.
In a statement, Boeing reiterated that the instrument is not necessary for the safe operation of a commercial aircraft.
(Reporting by Tracy Rucinski; Editing by Lisa Shumaker)