There are 12 Aero Commander 520 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 1952 and 1954.
N590W
1954 Aero Commander 520
Arcadia, OK
N11L
1953 Aero Commander 520
Linden, CA
N4136B
1953 Aero Commander 520
Hurricane, UT
N4142B
1953 Aero Commander 520
Tioga, ND
N4179B
1953 Aero Commander 520
Cushing, OK
N4189B
1953 Aero Commander 520
Hoquiam, WA
N520RN
1953 Aero Commander 520
Ann Arbor, MI
N264RW
1952 Aero Commander 520
De Kalb, TX
N4131B
1952 Aero Commander 520
Bradenton, FL
N19KD
Aero Commander 520
Riverside, CA
N411VV
Aero Commander 520
Mount Pleasant, SC
N777VM
Aero Commander 520
Crescent City, FL