Homebuilt Wittman Buttercup registrations
1 Homebuilt Wittman Buttercup aircraft on the FAA register (FAA model WITTMAN BUTTERCUP), newest first.
| N-number | Year | Aircraft |
|---|---|---|
| N618KB | 2017 | Homebuilt Wittman Buttercup |
Source: FAA Aircraft Registry, October 2026. Each N-number links to its aircraft page with registration record, history and accident data.
