1944: Manufactured as a P-51D-5A AF S/N 44-13257 (NAA S/N 109-26890)
1944 Dec, Modified by NAA for high speed research.
1944: NACA, NACA 108 - dive tests until 1949
1957: Nov, sold surplus, N4222A, Charles Snydor
1959: May, N4222A, Trans-Florida Aviation, Sarasota, Fl
1959-67: Stored
1967: Dec 07, N4222A, Remanufactured, Cavalier F-51D Mk II prototype.
1968: Weapons testing at Apalachicola, FL.
1968-71: Chase plane for "Enforcer" project.
1972: N51DL, Lindsay Newspapers Inc, Sarasota FL
1980: N51DL, Lindair Inc, Sarasota FL
(Thanks to Ed Lindsay for the history)