There are 10 Grumman HU-16B 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 1951 and 1959.
N10GN
1959 Grumman HU-16B
Chino, CA
N8497J
1953 Grumman HU-16B
Tulsa, OK
N10019
1951 Grumman HU-16B
Helena, MT
N44HQ
1951 Grumman HU-16B
Anchorage, AK
N85303
1951 Grumman HU-16B
Castle Rock, CO
N98TP
1951 Grumman HU-16B
Wilmington, DE
N211MC
Grumman HU-16B
Vienna, IL
N226CG
Grumman HU-16B
Lewes, DE
N7024S
Grumman HU-16B
Baldwin Park, CA
N866HA
Grumman HU-16B
El Paso, TX