There are 5 Cessna 305 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 1952.
N19YM
1952 Cessna 305
Washington, NC
N44431
1951 Cessna 305
Mesa, AZ
N4443F
1951 Cessna 305
Waterville, ME
N4443P
1951 Cessna 305
Winter Park, FL
N432WC
Cessna 305
Belgrade, ME