N51006 c/n 4350

On display at Pima Air and Space Museum in March 1975 during the early days of the museum (Douglas Slowiak via Stephen Miller)	On display at Pima Air and Space Museum in 1979 before being returned to Davis Monthan AFB for spares use (via Martin Stephen)	Donated in 2001 to the SCFA, who used it as a source of spare parts including the rudders and nose gear (Graham Robson)

• Final registration - N51006
• Delivered to USAF March 1955 as RC-121D 53-535
• Redesignated EC-121H November 1963
• Retired and flown to Davis Monthan AFB for storage December 1969
• To Pima Air and Space Museum by October 1973
• Traded back to Davis Monthan AFB October 1981 for EC-121T 53-554, which is currently on display at the museum
• On display near main gate of Davis Monthan AFB
• To Leonard Parker ~ April 1989 and stored near Allied Aircraft yard
• To Janet Shephardson (Minden Air Corporation) December 1992 as N51006
• At Allied Aircraft yard by 1996 on East Drexel Road
• To Vern Raburn February 1996
• To Urs Lauppi July 2001 who donated it to the Super Constellation Flyers Association for use as a spares airplane
• Sold to HARS in 2007 for shipment to Australia in support of their museum and C-121C VH-EAG
• Aircraft moved from Allied Aircraft yard to the storage area at Pima Air and Space Museum June 2008