Registered as N6307V in 1966 then C-GZZA in 1999.

Delivered to the US Army as 62-4178 in 1963. Transferred to the USAF in 1967 then to the South Vietnam Air Force in 1972. Returned to the USAF and stored at Davis-Monthan AFB, AZ in 1977. Left in 1979 and returned to service with the US Army. To Union Flights as N5463 in 1986 then to Operation Blessing International in 1997 and used for relief flights in Africa. Withdrawn from use at Goma, Congo by 2007. Cancelled from the register in 2013.

Registered as G-BEGY in 1976, ZS-KME in 1979. G-BEGY in 1984, N511WA in 1985, HP-1157IT in 1989, YV-487C in 1991, YV-2523P in 2001, XA-UBD in 2014 and N920GD in 2016. Current on the register with an owner in Puerto Rico in 2025.

Registered as N500JS in 1981, N404BB in 1984, N404KA in 1996, N404DP in 1998 then N804TF in 2004. Current on the register in 2025.

Operated by Union Flights. Delivered to the USAAF as 45-940 in 1945. Registered as N17778 in 1972, N403JB in 1980 and N575PT in 2021.

Ex RCAF 21160 / CAF 133160. It was sold to the Skyfox Corporation 14 January 1983 as N221SF and was converted as their prototype Skyfox with two pod mounted Garrett TFE731-3A turbofans and first flew at Mojave, California 21 August 1983. The company was taken over by the Boeing Military Aircraft Company in 1986 but no more aircraft were converted. Portugal was interested in purchasing 20 conversion kits but with no other interest the project was abandoned. The Skyfox was noted stored at the Rogue Valley International Airport, Medford, Oregon without engines in June 2008.

Registration cancelled 2014. Photo from: Civil Aviation Historical Society, Melbourne, Australia

Union Flights logo on tail.

Later operated as a warbird in USAF markings

Operated by Union Flights