It seems Dozy and Lonewolf are intent on dragging the 447 AoA issue into the Asiana thread so I will bounce it back here
Originally Posted by DW#167
No, no, no - the <60kts AoA NCD limitation was nothing to do with an air/ground assumption. It was simply an encoding of the vane manufacturer's specifications - i.e. that the vane could not provide reliable data without 60kts of forward airspeed.
My highlighting to show the flawed thinking which I assume existed at AB too.