DA40 Diamond Star
Flight Crew Commercial; Flight Crew Flight Instructor
Other / Unknown
Conflict NMAC
General None Reported / Taken
Human Factors
Was in cruise on a training flight; just west of Rio Verde community (VPRVC) when I saw a personal drone or UAV of a quad-copter style pass 50 feet away on the left side of my aircraft.  I reported the occurrence to PHX approach.  I was at 6500 feet when I saw the drone.
DA40 Instructor pilot reports a NMAC with a drone at 6;500 feet beneath PHX Class B airspace.