Modex UX-6, aircraft is ex AMARC (code 3A456 carried on the rear fuselage). Had arrived for storage in 1975. In 1983 it was moved to the DMI scrapyard for a possible sale to Malaysia. In 1997 it was allocated registration N225AT in 1997 and in 2004 moved to ATW Aviation at Marana Regional where it remained in store. Reg N225AT was cancelled in 2010.