Originally Posted by
A33Zab
It is a ADIRU issue, no airliner is supposed to be capable of flying! at 60 kt or less.
ADIRU ARINC Air data output is set to AoA NCD(No Computed Data) to the subsystems (e.g. FWC) at 60 kt or less and air speed output NCD below 30 kt or less.
IIRC Boeing T7 ADIRU sets NCD <30Kt and SAARU <50 kt-