History
| Building contract | |
| Start of Production | |
| Keel laid | |
| Launch | |
| 1971 | Delivered to Ålands Landskapstyrelse, Mariehamn, Åland |
| 1971 | Ålandstarfiken service Degerby – Svinö route. |
| 1985 | Långnäs – Bergö – Överö – Sottunga – Snäckö route |
| 1/6/2016 | Owner Subsea-Åland, Mariehamn, Finland. New name Subsea Seven. |
| . | |
| 8/7/2020 | New name Grisslan. |
| Rebuild and lengthened? at Valko, Loviisa | |
| 26/4/2022 | Voyage from Valko to Santahamina, Helsinki |