Homebuilt Bison 21 registrations

1 Homebuilt Bison 21 aircraft on the FAA register (FAA model BISON 21), newest first.

N-numberYearAircraftBased
N3925C2024Homebuilt Bison 21Palmer, AK

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