UNION ONYX - IMO 9406415
| Name | : | UNION ONYX |
| Former names | : | - |
| IMO number | : | 9406415 |
| Type | : | tug |
| Built | : | 2008 |
| Length | : | 33 m |
| Beam | : | 11,60 m |
| Draught | : | 3,80 m |
| Bollard pull | : | 65 t |
| Speed | : | 13 knots |
| Operator | : | N.V. URS (Unie van Redding- en Sleepdienst) - Belgium |
| Flag | : | Belgium |
| Port of registry | : | Zeebrugge |
