Originally Posted by spagiola
More to the point, even if the RHS airspeed continued to differ from the others, would it continue to be displayed? Would the computer not substitute one of the other measured airspeeds for the one that it has decided is invalid? Or if it keeps displaying the invalid airspeed, would it not flag it as suspect?
There would be a IAS DISCREPANCY ECAM MSG and it would be to the crew, after cross checking the different IAS, to select the suitable ADR as air data source.
What I'm very curious at is, what were showing the FD Crossed Bars (or Flight Path Director if FPV was already selected) as soon as both recorded speeds were again consistent ?
Is it possible the NU inputs were suggested by the FD ...