There are 8 U T V A 66(V-51) aircraft on the U.S. registry that TailWiki has a page for. Every one is built from the public FAA record — year, serial, engine, home base, and registration history — and owners and pilots add photos, trips, and stories on top. The ones listed here were built between 1974 and 1976.
N10734
1976 U T V A 66(V-51)
Somerville, AL
N3017V
1975 U T V A 66(V-51)
San Fernando, CA
N660JB
1975 U T V A 66(V-51)
Touchet, WA
N66PW
1975 U T V A 66(V-51)
Henderson, NV
N8081U
1974 U T V A 66(V-51)
Ferriday, LA
N660UV
U T V A 66(V-51)
Mesa, AZ
N664KS
U T V A 66(V-51)
Xenia, OH
N66VQ
U T V A 66(V-51)
Kingsford, MI