Assistance| Boat type | SK30 |
| Boat name | Gryning |
| Sail number | 225 |
| Length over all (m) | 12.24 |
| Width (m) | 2.35 |
| Depth (m) | 1.51 |
| Sail area (m2) | 30 |
| Displacement (kg) | 2720 |
| Designer | Knut H Reimers |
| Builder | Zarins/Holmlund |
| Build location | Köping/Örebro |
| Build year | 1989-1990 |
| AIS | No |
| Rating type | SRSv |
| Rating | 0.991 |
Assistance