Homebuilt Buttercup registrations

1 Homebuilt Buttercup aircraft on the FAA register (FAA model BUTTERCUP), newest first.

N-numberYearAircraftBased
N39PB—Homebuilt ButtercupCollins, MO

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