There are 5 Grumman G-159 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 1963 and 1968.
N171PA
1968 Grumman G-159
Cartersville, GA
N170PA
1965 Grumman G-159
Cartersville, GA
N192PA
1964 Grumman G-159
Cartersville, GA
N234MM
1963 Grumman G-159
Lake Buena Vista, FL
N612DT
Grumman American Avn. Corp. G-159
San Antonio, TX