Assistance| Boat type | Norlin 411 |
| Boat name | Gerda-Ulrika XI |
| Sail number | SWE 12201 |
| Length over all (m) | 12,38 |
| Lenth waterline (m) | 10,82 |
| Width (m) | 3,57 |
| Depth (m) | 2,20 |
| Sail area (m2) | 100 |
| Displacement (kg) | 78``00 |
| Designer | Peter Norlin |
| Builder | Lysekils varv |
| Build location | Lysekil |
| Build year | 1999 |
| VHF call sign | SF4652 |
| MMSI number | 265797120 |
| AIS | Yes |
| Deck color | White |
| Freeboard color | white with dark blue ribbon |
| Bottom color | white |
| Rating type | Srs shorthand |
| Rating | 1,100 |
Assistance