| Name: | POWERFUL |
| Launched: | |
| Completed: | 1848 |
| Builder: | South Shields |
| Yard Number: | |
| Dimensions: | 68grt, 17nrt, 73.7 x 15.6 x 8.7ft; (1872: 61grt, 11nrt, 76.0 x 16.8 x 8.5ft) |
| Engines: | 35nhp; (1872: 40nhp) |
| Engines by: | |
| Propulsion: | Paddle |
| Construction: | Wood |
| Reg Number: | 7487 |
| History: | |
| 20/12/1848 | A Woodhouse, Shields |
| 13/03/1849 | J Best, Shields |
| 01/04/1854 | Robert Crooks et al, Greenock; registered at Greenock |
| 1859 | A Kerr et al, Greenock |
| 1860 | CC Scott et al, Greenock |
| 1862 | J Park et al, Greenock |
| 1866 | United Steam Towing & Navigation Co Ltd, Greenock |
| 1870 | Timothy Sargenson, Willington Quay; registered at Newcastle |
| 1874 | Richard Irvin, North Shields |
| No further history known | |
| Comments: | 1872: Rebuilt |