There are 5 Grumman OV-1D 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.
N223TT
1967 Grumman OV-1D
Lantana, FL
N225TT
1967 Grumman OV-1D
Reno, NV
N101VD
Grumman OV-1D
Reno, NV
N134GM
Grumman OV-1D
Wilmington, DE
N605HF
Grumman OV-1D
Hampton, GA