Doing research on a plane for Mark Kaflas, I found your name on a post two years ago about a T-28 and confusion as to identity. I thought you might like to know what I spent two hours finding, and perhaps somehow the various profiles can be linked either directly or by comments.
The subject is T-28 N14121/N5015L/N128AN
Ca. 1952 constructed as T-28A
10 March 1960 To France, converted to Fennec No. 96
SOC French AF 12 Oct 1967.
1968 to Waco-Pacific Inc, Van Nuys, CA, registered as N14121
1969 to Winter Wolff & Co., New York, NY
1972 to Quality Components Inc, Los Angeles, CA
Converted to T-28D
Registration cancelled 17 Oct 1973
October 1973 to Haitian A.F. as 1238
March 1978 to Lan-Dale Co, Reno, NV
8 April 1978 Registered as N14121
1983 to Les Crowder & Rick Shanholtzer
1984 to Alan Preston, Dallas, TX
Yellow scheme marked as Navy T-28B WD/121
1986 Sale reported, Dallas, TX
16 April 1987 registration cancelled
May 1987 Aviation Maintenance Ltd, Sault St. Marie, Quebec
Registered as C-GJMT
27 Jan 1988 registration cancelled
1993 Rebuilt as T-28A c/n 557 (assuming this due to FAA build date and different c/n)
Marked as T-28B WD/21 US Navy USS Lexington VT-5 overall grey
Registered as N5015L
Seen in 2008 as T-28S N128AN, a registration shown as reserved
6 November 2009 ANDIAMO 360 LLC, Bozeman, MT
Marked as T-28B Navy blue AN
As of July 2012 plane is still marked with registration N128AN
Besides Warbird registry, a couple sites I found with data are:
http://1000aircraftphotos.com/Contributions/Juvet/1366.htm
http://www.thai-aviation.net/files/T_28_SE_Asia.pdf
I also found various photos with dates to help track.