411A, not sure how a company (in the US) sets standards that may exceed FAA cetification numbers??
Simple, I don't fly in the USA, nor US registered aircraft.
You would be surprised what goes on elsewhere...even in UK/Europe...not to mention south of the Mediterranean.
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NB.
The numbers I quoted were from SVA, when they operated L1011 equipment, and they operated to FAA regulations, with 'differences'.
SVA also have electronic moving map displays on all their TriStars (just forward of the throttles).
Deluxe...and they could afford same.