| Navy | The US Navy |
| Type | Submarine chaser |
| Class | SC-497 |
| Pennant | SC-522 |
| Built by | Annapolis Yacht Yard Inc. (Annapolis, Maryland, U.S.A.) |
| Ordered | 1 Apr 1941 |
| Laid down | 14 May 1941 |
| Launched | 18 Feb 1942 |
| Commissioned | 15 Apr 1942 |
| End service | 30 Sep 1944 |
| History | Transferred to France on 30 September 1944 being renamed CH-111 |
Commands listed for USS SC-522 (SC-522)
Please note that we're still working on this section
and that we only list Commanding Officers for the duration of the Second World War.
| Commander | From | To | |
| 1 | Leonard Edgar Whitmore, USNR | 15 Apr 1942 | Early 1943 |
| 2 | H L Rekate, USNR | Early 1943 | Late 1943 |
| 3 | P Rinde-Thorsen, USNR | Late 1943 | 30 Sep 1944 |
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Notable events involving SC-522 include:
27 Aug 1942
USS SC-522 picks up 37 survivors from the Dutch tanker Rotterdam and 33 from the British tanker San Fabian that were torpedoed and sunk about 120 nautical miles south-south-east of Guantanamo, Cuba in position 18°09'N, 74°38'W by German U-boat U-511.