| Navy | The Royal Navy |
| Type | Submarine |
| Class | Type VIIC |
| Pennant | P 715 |
| Built by | Blohm & Voss (Hamburg, Germany) |
| Ordered | |
| Laid down | 21 May 1940 |
| Launched | 20 Mar 1941 |
| Commissioned | 19 Sep 1941 |
| End service | Feb 1944 |
| Loss position | |
| History | Commissioned as German U-570 on 15 May 1941. The German submarine U-570 was captured by Britain on 27 August 1941 in the North Atlantic south of Iceland, in position 62.15N, 18.35W, after being damaged by a British Hudson aircraft (Sqdn. 269/S). She was towed to Thorlakshafn, Iceland and salvaged. She was commissioned into the Royal Navy as HMS Graph on 19 September 1941. HMS Graph was decommissioned from active service in February 1944. Graph was lost on 20 March 1944 when she ran aground on the west coast of the Island of Islay, Scotland. Commanding Officers: Lt. Edward Dudley Norman, DSO, DSC, RN Lt. Peter Barnsley Marriot, RN Lt. David Swanston, DSC, RN The Navy List of December 1943 no longer lists HMS Graph as an active unit |
| Former name | U-570 |
Commands listed for HMS Graph (P 715)
Please note that we're still working on this section.
| Commander | From | To | |
| 1 | Lt. George Robson Colvin, RN | ??? | 10 Oct 1941 |
| 2 | Lt. Edward Dudley Norman, DSC, DSO, RN | 10 Oct 1941 | 1 Jun 1942 |
| 3 | Lt. Peter Barnsley Marriot, RN | 1 Jun 1942 | 1 Apr 1943 |
| 4 | Lt. David Swanston, DSC, RN | 1 Apr 1943 | Aug 1943? |
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Noteable events involving Graph include:
21 Oct 1942
While on patrol in the Bay of Biscay, HMS Graph (Lt. P.B. Marriot, RN) attacks but misses the German submarine U-333 with four torpedoes about 50 nautical miles north-north-east of Cape Ortegal, Spain in position 44º31'N, 07º25'W. (see map)
![]() Fighting Captain, The Burn, Alan |
Books dealing with this subject include:
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