Corvette of the Castle class
| Navy | The Royal Canadian Navy |
| Type | Corvette |
| Class | Castle |
| Pennant | K 488 |
| Built by | Smith's Dock Co., Ltd. (South Bank-on-Tees, U.K.) |
| Ordered | |
| Laid down | 23 Jun, 1943 |
| Launched | 28 Dec, 1943 |
| Commissioned | 4 May, 1944 |
| End service | 22 Nov, 1945 |
| Loss position | |
| |
| History | Decommissioned 22 November 1945.
Sold into mercantile service in 1946 being renamed Camosun.
Commanding Officers:
T/A/Lt.Cdr. Leslie Perman Denny, RCNR
4 May 1944 – 26 January 1945
Promoted to Lt.Cdr. on 1 January 1945
T/A/Lt.Cdr. B. Hynes, RCNVR
27 January 1945 – still listed in the October 1945 Navy List |
| Former name | HMS Sandgate Castle |
| Noteable events involving St. Thomas include: 27 Dec, 1944 The German submarine U-877 was sunk in the North Atlantic north-west of the Azores, in position 46º25'N, 36º38'W, by Squid foreward-throwing weapon of the Canadian corvette HMCS St. Thomas (A/Lt.Cdr. L.P. Denny, RCNR). (see map) |