| Navy | The Royal Navy |
| Type | Submarine |
| Class | T |
| Pennant | P 346 |
| Mod | Third Group |
| Built by | Vickers Armstrong (Barrow-in-Furness, U.K.) |
| Ordered | |
| Laid down | |
| Launched | |
| Commissioned | |
| End service | |
| History | Cancelled on 7 April 1943 Re-ordered as A-class |
We don't have any commands listed for HMS P 346 (P 346)
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