Support| Boat type | H-35 |
| Boat name | Helena |
| Sail number | FIN 59 |
| Length over all (m) | 10,50 |
| Lenth waterline (m) | 8,1 |
| Width (m) | 2,60 |
| Depth (m) | 1,50 |
| Sail area (m2) | 45 |
| Displacement (kg) | 3500 |
| Designer | Hans Groop |
| Builder | Artekno oy |
| Build location | Kangasala |
| Build year | 1978 |
| VHF call sign | OI2510 |
| MMSI number | 230141860 |
| AIS | Yes |
| Measurement certificates | T0278 |
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