| Name: | POWERFUL |
| Launched: | 11/1856 |
| Completed: | 11/1856 |
| Builder: | Hepple & Landells, North Shields |
| Yard Number: | |
| Dimensions: | 81grt, 20nrt, 84.2 x 18.1 x 9.5ft |
| Engines: | L1cyl (33.5 x 48ins), 40nhp |
| Engines by: | Hepple & Landells, North Shields |
| Propulsion: | Paddle |
| Construction: | Wood |
| Reg Number: | 10096 |
| History: | |
| 29/01/1857 | David & William Best, South Shields; registered at Shields |
| 01/1859 | John Blackman Owen (Secretary, Eastern Counties Railway Co), Lowestoft |
| 01/08/1862 | Great Eastern Railway Co, London |
| 25/05/1868 | Alexander Tracey, Cambridge & W Booth, Nottingham & J McMahon |
| 1872 | Re-purchased by Great Eastern Railway Co, London |
| 1901 | Broken up |
| Comments: | 1859: Cost £3,500 |
| 01/08/1862: Eastern Counties Railway Co merged with Great Eastern Railway Co | |
| 25/05/1868: Sold to creditors (A Tracey et al) and leased back | |
| 28/05/1885: Caught fire and had to be scuttled to put out the blaze | |
| Later raised but for harbour use only ("Ways and Means Department") | |
| 14/01/1886: Registration cancelled and used for harbour work |