Pronto
| Name | Pronto |
| Type | Steamer |
| GRT | 1,411 tons |
| Country |  Norwegian |
| Built | 1910 |
| Builder | Akers Mek. Verks., Christiania |
| Operator | D/S A/S Produce (Hans Kiær & Co. A/S), Drammen |
| History |
U-boat attacks on Steamer Pronto
| Date | U-boat | Loss type | Position | Location | Route | Cargo | Casualties | |
| 1 | 9 Sep 1916 | UB 39 (Werner Fürbringer) | Sunk | 13 miles NW of Ushant | Pasajes - Bristol | salt fish & other provisions | 0 | |
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