Bianca B.
| Name | Bianca B. |
| Type | Sailing vessel |
| GRT | 329 tons |
| Country |  Italian |
| Built | 1876 |
| Builder | A. Briasco, Sestri |
| Operator | Giovanni Bennati, Genoa |
| History | Wooden brig. Built as Bianca C.. |
U-boat attacks on Sailing vessel Bianca B.
| Date | U-boat | Loss type | Position | Location | Route | Cargo | Casualties | |
| 1 | 18 Jun 1917 | UC 27 (Gerhard Schulz) | Sunk | stopped and sunk off Sfax | 35° 18'N, 11° 19'E | Sfax - ? | phosphate | |
| or 19/6/1917 | ||||||||
Position of attack on Bianca B.
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