We have had reports from 11 people that they had total loss of power (engines, hydraulics and electrics) during flight or taxi. So far we have been unable to understand what is causing this and we have never seen this in any testing. Clearly this is one of these cases where we have to understand what is similar on those systems. We do not believe it is caused by an action of the users. Could people who see this behavior follow this topic and respond?   1) Did you do a clear P3D V4.3 in