Ryan STM-S2 / STM-2 registrations

9 Ryan STM-S2 / STM-2 aircraft on the FAA register (FAA model ST-A SPECIAL), newest first.

N-numberYearAircraftBased
N173431940Ryan STM-2Carson City, NV
N81461940Ryan STM-2Downers Grove, IL
N173481938Ryan STM-2Kalispell, MT
N173501938Ryan STM-2Pittsburgh, PA
N189041938Ryan STM-2Blue Springs, MO
N173601937Ryan STM-2Fort Myers, FL
N173681937Ryan STM-2Hood River, OR
N18905—Ryan STM-S2 / STM-2Jensen Beach, FL
N18921—Ryan STM-S2 / STM-2Las Vegas, NV

Source: FAA Aircraft Registry, October 2026. Each N-number links to its aircraft page with registration record, history and accident data.