The Roto-Finish P-51 was a North American P-51D Mustang NL7715C, original serial number 44-84961. It raced from 1966 to 1973 under the names Miss R.J. and Roto-Finish Special, winning Unlimited Gold in 1972. In February 1974 it was purchased by Ed Browning of Red Baron Flying Service in Idaho Falls, Idaho and renamed the Red Baron.

Modeled for RealFlight by Doug Kaye (DHK79) as a Special Request.