Ason
| Name | Ason |
| Type | Steamer |
| GRT | 2,083 tons |
| Country |  Spanish |
| Built | 1901 |
| Builder | Const. Nav. Espaņola, Cadiz |
| Operator | Cia. Montaņesa de Nav. (M. Pineiro Bezanilla), Santander |
| History |
U-boat attacks on Steamer Ason
| Date | U-boat | Loss type | Position | Location | Route | Cargo | Casualties | |
| 1 | 17 Dec 1916 | UB 38 (Wilhelm Amberger) | Sunk | Captured and then torpedoed 27 miles W of Bishop Rock | 49.40N, 07.00W | Santander - Glasgow | copper ore |
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