Hans
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AFAIK there are 2 AOA-s on the 737, the MCAS uses only AOA-1, Southwest elected the option of having AOA-1 on the PIC EFIS & AOA-2 on FO EFIS."
I am ex ground crew don't know all your abbreviations but you seem to be saying there were always 2 they just reconfigured their functionality.NOT added another as post 188 stated, what is the resulting effect of their change
oldoberon