Actie
| Name | Actie |
| Type | Sailing vessel |
| GRT | 562 tons |
| Country |  Norwegian |
| Built | 1860 |
| Builder | D. Morton, Bath, Maine |
| Operator | Chr. Halvorsen, Kragerø |
| History | Wooden bark. |
U-boat attacks on Sailing vessel Actie
| Date | U-boat | Loss type | Position | Location | Route | Cargo | Casualties | |
| 1 | 29 Sep 1915 | U 16 (Leo Hillebrand) | Sunk | 20 miles SW of Lindesnaes | 57.35N, 06.30E | Kragerø – Leith | pit props | 0 |
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