Helmsmuir
| Name | Helmsmuir |
| Type | Steamer |
| GRT | 4,111 tons |
| Country |  British |
| Built | 1913 |
| Builder | W. Pickersgill & Sons, Ltd., Sunderland |
| Operator | Strath SS. Co., Ltd. (Downing & Sutherland), Cardiff |
| History |
U-boat attacks on Steamer Helmsmuir
| Date | U-boat | Loss type | Position | Location | Route | Cargo | Casualties | |
| 1 | 3 Dec 1915 | U 39 (Walter Forstmann) | Sunk | 66 miles SxE of Gavdo Island | 33° 54'N, 24° 24'E | Mauritius - ? | sugar | 0 |
Position of attack on Helmsmuir
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