There are 9 North American NA-64 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 1939 and 1940.
N3201U
1940 North American NA-64
Fairacres, NM
N3361
1940 North American NA-64
Lancaster, CA
N3406
1940 North American NA-64
Saint Charles, MO
N64FL
1940 North American NA-64
Casa Grande, AZ
N314BT
1939 North American NA-64
Barnesville, GA
N13397
North American NA-64
Hurst, TX
N3355
North American NA-64
Winnemucca, NV
N3362
North American NA-64
Kalispell, MT
N3407
North American NA-64
Deltaville, VA