| Navy | The Royal Norwegian Navy |
| Type | Submarine |
| Class | A |
| Pennant | |
| Built by | Germaniawerft (Kiel, Germany) |
| Ordered | |
| Laid down | 30 Mar 1912 |
| Launched | 15 Mar 1913 |
| Commissioned | 30 May 1914 |
| Lost | 15 Apr 1940 |
| History | Scuttled by own crew at Tønsberg. |
We don't have any commands listed for HNoMS A-4
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