| Name: | PORTAL |
| Type: | Pontoon |
| Launched: | 24/05/1967 |
| Completed: | 06/1967 |
| Builder: | Clelands Shipbuilding Co Ltd |
| Yard: | Willington Quay |
| Yard Number: | 296 |
| Dimensions: | 499grt |
| Engines: | None |
| Engines by: | n/a |
| Propulsion: | None |
| Construction: | Steel |
| Reg Number: | n/a |
| History: | |
| 06/1967 | Marples, Ridgeway & Kier Ltd, Milford Haven |
| No later history known | |
| Comments: |