HMD Enterprise Ii
| Name | HMD Enterprise Ii |
| Type | Navy Drifter |
| GRT | 84 tons |
| Country |  British |
| Built | 1906 |
| Builder | J. Chambers, Lowestoft |
| Operator | Royal Navy |
| History | Peace-time operator: John Breach, Lowestoft (managing owner) |
U-boat attacks on Navy Drifter Enterprise Ii
| Date | U-boat | Loss type | Position | Location | Route | Cargo | Casualties | |
| 1 | 8 Mar 1916 | UC 12 (Eberhard Fröhner) | Sunk | Mined off Brindisi | 8 |
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