Assistance| Boat type | Nissen 56´ performance cruiser |
| Boat name | Walross 4 |
| Sail number | GER 6000 |
| Length over all (m) | 16,95 |
| Width (m) | 4,40 |
| Designer | Georg Nissen (Kiel, Germany) |
| Builder | AZBS / Yachtwerft Glückstadt |
| Build location | Berlin / Glückstadt (Elbe) |
| Build year | 2007 |
| VHF call sign | ELZA |
| AIS | Yes |
| Rating type | Fractional |
| Rating | Alloy |
Assistance