| Navy | The Royal Navy |
| Type | MS Trawler |
| Class | P |
| Pennant | T 191 |
| Mod | First group |
| Built by | Antonio Monica (Aviero, Portugal) |
| Ordered | 15 Jul 1940 |
| Laid down | |
| Launched | 14 Jul 1942 |
| Commissioned | 8 Mar 1943 |
| End service | |
| History | Originally named Port Royal but renamed Proof in 1943. |
| Former name | HMS Port Royal |
Commands listed for HMS Proof (T 191)
Please note that we're still working on this section.
| Commander | From | To | |
| 1 | T/A/S.Lt. Charles Henry John Mogg, RNVR | 20 Oct 1943 | 6 Jan 1944 |
| 2 | Peter Lowell Sage, RNVR | 6 Jan 1944 |
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