TxSrv wrote:
For amateur-built and IFR, probably a good idea
too.


Right.. Safe is always a good idea.. but I want to differentiate "safe"
and a "good idea" from Legal.

In my all electric plane, I'd rather have two different, INDEPENDENT
EFIS devices (even if they are the noncertified variety.. could even be
different manufacturers...), with solid state innards, than a mechanical
gyro.

Dave