There are 9 Ryan Aeronautical ST-A SPECIAL 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 1937 and 1940.
N17343
1940 Ryan Aeronautical ST-A SPECIAL
Carson City, NV
N8146
1940 Ryan Aeronautical ST-A SPECIAL
Downers Grove, IL
N17348
1938 Ryan Aeronautical ST-A SPECIAL
Kalispell, MT
N17350
1938 Ryan Aeronautical ST-A SPECIAL
Pittsburgh, PA
N18904
1938 Ryan Aeronautical ST-A SPECIAL
Blue Springs, MO
N17360
1937 Ryan Aeronautical ST-A SPECIAL
Fort Myers, FL
N17368
1937 Ryan Aeronautical ST-A SPECIAL
Hood River, OR
N18905
Ryan Aeronautical ST-A SPECIAL
Jensen Beach, FL
N18921
Ryan Aeronautical ST-A SPECIAL
Las Vegas, NV