La Manche
| Name | La Manche |
| Type | Sailing vessel |
| GRT | 335 tons |
| Country |  French |
| Built | 1886 |
| Builder | J. Oltman’s Wwe, Brake |
| Operator | Riotteau et Fils, Granville |
| History | Three-masted wooden bark. |
U-boat attacks on Sailing vessel La Manche
| Date | U-boat | Loss type | Position | Location | Route | Cargo | Casualties | |
| 1 | 1 May 1917 | UC 66 (Herbert Pustkuchen) | Sunk | Stopped and scuttled 8 miles N1/4NE of Les Hanois LH, Guernsey | Granville - Cardiff | in ballast | 0 | |
| Barquentine - Master Theophile BERNARD | ||||||||
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