| Name: | MERRIMAC |
| Launched: | 31/10/1917 |
| Completed: | 23/02/1918 |
| Builder: | JP Rennoldson & Sons Ltd, South Shields |
| Yard Number: | 304 |
| Dimensions: | 226grt, 2nrt, 105.8 x 25.2 x 11.1ft |
| Engines: | C2cyl (22 & 46 x 30ins), 98rhp |
| Engines By: | JP Rennoldson & Sons Ltd, South Shields |
| Propulsion: | 1 x Screw |
| Construction: | Steel |
| Reg Number: | 134719 |
| History: | |
| 1918 | The Admiralty |
| 1919 | Bristolian Steam Tug Co Ltd (CJ King & Sons Ltd, managers); registered at Bristol |
| 1930 | Merrimac Tug Co Ltd (CJ King & Sons Ltd, managers), Bristol |
| 1963 | Broken up |
| Comments: | Ordered by CJ King but taken over by the Admiralty before launching |
| 23/02/1918: On Admiralty service, allocated pennant W54 | |
| Served in the North Sea as a target tower and patrol boat | |
| 17/05/1919: Returned to owners | |
| 1963: Broken up by John Cashmore Ltd at Newport, Monmouthshire |
Above photo courtesy of George Robinson
Above photo courtesy of Kevin Blair
Above photo courtesy of Paul Andow
Above photo courtesy of Alan Hughes
Above photo courtesy of Ray Perry