Originally Posted by
Ian W
An AoA disagree was already known to the aircraft systems that is why there was the cascade of other warnings on UAS etc. As was stated upthread slightly more sophisticated software would identify the AoA vane reports that were not behaving within normal parameters. Then the one assumed good AoA could be used with just an alert for the crew that they were now on one AoA. While the new Boeing fix will stop the MCAS issue surfacing, there could be a slightly more sophisticated approach to reduce the instant jump in workload in the cockpit and just provide caution the systems are now using only one AoA ensure pitch and power are correct for each phase of .... ot panic or tunneling.
No, there was no comparison done between the left and right AOA. The left side incorrectly indicated a very high AOA, the right side indicated correct. The warnings generated (stall/UAS) were all from the left side, and the MCAS was using the left side too.