Originally Posted by mcdhu
In the sim, with all ADRs switched off, it still works.
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Originally Posted by Superpilot
That does make sense
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Originally Posted by mcdhu
[Can anyone help with this conundrum please?
In the context of UAS, the FCTM tells us that if altitude info is suspect not to use the FPV. My understanding has always been (wrongly perhaps) that the FPV is purely inertial
[...]
Also, it tells us that in ac without the BUSS, we have to keep at least 1 ADR ON to allow stall warning - which is AoA related. Why do we need an ADR to allow stall warning.
As usual the FCOM DSC is next to useless.
Reread everything about inertial HUD and ACARS vs AF447 (despite it is a A330).
That thread is just terrifying .