There are 3 Grumman G-164B-20T 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 1991 and 1992.
N7509Y
1992 Schweizer Aircraft Corp G-164B-20T
Yuba City, CA
N7509V
1991 Schweizer Aircraft Corp G-164B-20T
Rayne, LA
N7500S
Schweizer Aircraft Corp G-164B-20T
Bancroft, ID