Originally Posted by
Dick T.
You are correct on this. Just reread the interpretation and it is clear no vision enhancement devices ( other than corrective lenses ) can be used. A spotter can be used to enhance safety but cannot be in lieu of the operator.
I disagree with your interpretation. IMO, the FAA wants the pilot to see the model LOS at all times. IOW, no flying the model
beyond LOS of the operator (pilot), who must have the model in view at all times.
CR