Heenvliet
| Name | Heenvliet |
| Type | Steamer |
| GRT | 492 tons |
| Country |  Dutch |
| Built | 1916 |
| Builder | Arnhemsche Stoom Sleephelling Mij., Arnhem |
| Operator | N.V. Nationale Stoomv. Mij., Rotterdam |
| History |
U-boat attacks on Steamer Heenvliet
| Date | U-boat | Loss type | Position | Location | Route | Cargo | Casualties | |
| 1 | 28 Feb 1918 | UB 31 (Wilhelm Braun) | Sunk | 15 miles SW of the Swartebank LV | Rotterdam - Leith | general cargo |
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