Support| Boat type | Neptunkryssare |
| Boat name | Flax |
| Sail number | SWE 140 |
| Length over all (m) | 9 |
| Lenth waterline (m) | 5,85 |
| Width (m) | 1,92 |
| Depth (m) | 1,2 |
| Sail area (m2) | 19 |
| Displacement (kg) | 1150 |
| Designer | Lage Eklund |
| Builder | Kalle Johansson |
| Build location | Norrtälje |
| Build year | 1949 |
| AIS | Yes |
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