The AOA DISAGREE was never intended to be optional, that was a bug due to miscommunication between Boeing and the avionics manufacturer, if the congressional re

The AOA DISAGREE was never intended to be optional, that was a bug due to miscommunication between Boeing and the avionics manufacturer, if the congressional report is to be believed. Only the persistent numeric AoA indicator was optional. And none of this had anything to do with freight, there's no difference in capabilities between the aircraft, it's purely about pilot situational awareness. https://boeing.mediaroom.com/news-releases-statements?item=130431 https://boeing.mediaroom.com/news-releases-statements?item=1...