Your dual systems are running the same software. Which (in my opinion as a
developer of such software) is the MOST LIKELY point of failure in the
system.


Ed Gray writes: "I have no steam gage backups.  With dual screens,
backup batteries and dual ADHRS I feel that I have enough redundancy.  
Does anyone have input or comment?  This plane may be one of the first
with no round gauges anywhere."(sic)