Blackstone GW 11
| Built | 1915 A. Jeffrey & Co Ltd, Alloa (Steel) |
| Yard No | 12 |
| Owner at New | Archibald R & Robert Robertson, Glasgow (J. M. Paton manager) |
| ID no | 137789 |
| Launch Date | 18.12.1914 |
| Completed | 03.1915 |
| Gross Tons | 148 |
| Nett Tons | 67 |
| Engine | 32 hp
4-cyl 2SCSA by W. Beardmore & Co Ltd, Glasgow |
| Length | 82.3ft |
| Breadth | 19ft |
| Depth | 8.9ft |
| Owners | |
| 19.03.1915 | Registered at Glasgow. |
| Undated | Registered at Glasgow GW 11 (Herring Carrier) |
| 10.1915 | Purchased by Royal Navy converted to Fuel/Water/Oil Carrier (Ad No X.01 & X. 09.) |
| 1916 | Glasgow registry closed. |
| 1916 | Registered at London. |
| 04.1921 | Sold to the Mercantile |
| 04.1921 | Owned by M S Hilton, London. |
| 1924 | Registry closed. |