NB 73 – Ursus
| Vessel type | Special purpose vessel. |
| Vessel name | Ursus. |
| Delivery | July, 1995. |
| Description | Tug vessel to Rønne harbor, Denmark. |
| Hull material | Steel. |
| Tonnage | 83,60 GT. |
| Length over all | 19,70 m. |
| Breadth beam | 6,30 m. |
| Depth | 3,30 m. |
| Passengers | N/A. |
| Main engine | Cummins KTA, 900 HK. |
| Aux. Engine | N/A. |
| Speed | 10,5 knots. |
| Propulsion | N/A. |
| Classification | N/A. |
| Other equipment | Available. |