Pier Accavan Ubert
| Name | Pier Accavan Ubert |
| Type | Sailing vessel |
| GRT | 112 tons |
| Country |  Italian |
| Built | |
| Builder | |
| Operator | |
| History |
U-boat attacks on Sailing vessel Pier Accavan Ubert
| Date | U-boat | Loss type | Position | Location | Route | Cargo | Casualties | |
| 1 | 17 Feb 1917 | U 35 (Lothar von Arnauld de la Perière) | Sunk | abt 15 miles N Ibiza at 10,00am |
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