S805 TONIJN
| Name | : | S805 TONIJN |
| Former names | : | - |
| IMO number | : | - |
| Type | : | Potvis-class submarine |
| Built | : | 1966 (commissioned) / 1991 (decommissioned) / 1994 museum boat in Den Helder |
| Length | : | 78,3 m |
| Beam | : | 7,8 m |
| Draught | : | 5 m |
| Speed | : | 14,5 knots surfaced / 17 knots submerged |
| Crew | : | 67 |
| Ex-operator | : | Royal Dutch Navy |
| Flag | : | The Netherlands |
| Port of registry | : | Den Helder |
