Built in 1969 and registered as N1226S. Converted from Merlin IIA c/n T26-171 to prototype Merlin III c/n T-200 then rebuilt as c/n TC-205E. Reregistered as N4BC in 1978. Damaged in an accident in 1983. Derelict at Tucson, AZ from 1985 to 1991 then scrapped.