Heldeburg Designs Blue Heron Marathon registrations
1 Heldeburg Designs Blue Heron Marathon aircraft on the FAA register (FAA model BLUE HERON MARATHON), newest first.
| N-number | Year | Aircraft |
|---|---|---|
| N6597B | 2004 | Heldeburg Designs Blue Heron Marathon |
Source: FAA Aircraft Registry, October 2026. Each N-number links to its aircraft page with registration record, history and accident data.
