My search brought up a Super Viking for sale quite awhile ago that had an Apollo 706. The guy might still have the airplane or if he'll give you the N number you can locate the present owner. Maybe someone will copy the useful parts of the manual for you:
Larry Field
LRFIELD@MST.LANA.GOV(505)471-0588 evenings-home
665-0919 days-work
Another name came up that appears to be current to sell an airplane with 2 706s in it, owned by:
David Groeneveld (505)992-2947
