Homebuilt BU 133 registrations

4 Homebuilt BU 133 aircraft on the FAA register (FAA model BU 133), newest first.

N-numberYearAircraftBased
N100BU1997Homebuilt BU 133Landenberg, PA
N133JH1940Homebuilt BU 133Coronado, CA
N85BU1940Homebuilt BU 133Graford, TX
N33XX1938Homebuilt BU 133Estes Park, CO

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