Sadika
| Name | Sadika |
| Type | Sailing vessel |
| GRT | 45 tons |
| Country |  French |
| Built | |
| Builder | |
| Operator | |
| History |
U-boat attacks on Sailing vessel Sadika
| Date | U-boat | Loss type | Position | Location | Route | Cargo | Casualties | |
| 1 | 22 Apr 1918 | UB 53 (Robert Sprenger) | Sunk | 32° 13'N, 32° 40'E |
Position of attack on Sadika
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