| Name: | MINER NO 3 |
| Launched: | |
| Completed: | 1877 |
| Builder: | Palmer's Shipbuilding & Iron Co, Jarrow |
| Yard Number: | 340 |
| Dimensions: | 57grt, 20nrt, 65.5 x 15.0 x 7.8ft |
| Engines: | 2 x 2cyl, 21nhp |
| Engines By: | Palmer's Shipbuilding & Iron Co, Jarrow |
| Propulsion: | 2 x Screws, 9knots |
| Construction: | Iron |
| Reg Number: | n/a; (1907: 120397) |
| History: | |
| 1877 | British Government - War Office |
| 1906 | John T Crampton, Landport, Hampshire; renamed HELENE |
| 1906 | Walter J Crampton, Portsmouth; renamed ADUR |
| 1907 | Ed J Agius & Co, Southampton; registered at Southampton |
| No further history known | |
| Comments: | Built for War Office Mining service |
| Tenders to fixed defensive mining at Dockyards | |
| Also used as light tugs | |
| This history as HELENE may not apply to MINER NO 3 | |
| It is known that HELENE was one of MINER NO 1, 2 or 3. | |
| 1928: Converted to a dumb barge | |
| Thanks to David Asprey for these details |