| Boat type | Nordisk folkbåt |
| Boat name | Madam blå |
| Sail number | SWE 1243 |
| Length over all (m) | 7.68 |
| Lenth waterline (m) | 6.0 |
| Width (m) | 2.20 |
| Depth (m) | 1.20 |
| Sail area (m2) | 24 |
| Displacement (kg) | 1936 |
| Designer | Tord sunden |
| Builder | Folkebaadcentralen |
| Build location | Kerteminde |
| Build year | 1978 |
| AIS | No |