| Navy | The Royal Navy |
| Type | Frigate |
| Class | River |
| Pennant | K 261 |
| Built by | Smiths Dock Co., Ltd. (South Bank-on-Tees, U.K.) |
| Ordered | |
| Laid down | 21 Mar, 1942 |
| Launched | 24 Sep, 1942 |
| Commissioned | 30 Apr, 1943 |
| Lost | 15 Jun, 1944 |
| Loss position | 49.35N, 05.30W (See a map) |
| History | On 15 June 1944 HMS Mourne (Lt.Cdr. Raymond Spurr Holland, RNR) from the 5th Escort Group was hit and sunk by a Gnat from U-767 in the English Channel in position 49º35'N, 05º30'W. Commanding Officer: Hit by U-boat |
