| Navy | The Royal Norwegian Navy |
| Type | Submarine |
| Class | B |
| Pennant | |
| Built by | Mare Island Navy Yard (Vallejo, California, U.S.A.) |
| Ordered | |
| Laid down | |
| Launched | 29 Dec 1923 |
| Commissioned | 2 May 1927 |
| End service | 10 Apr 1940 |
| History | Captured at Horten by the Germans. |
We don't have any commands listed for HNoMS B-4
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