The Type VIIC class submarine HMS Graph.
Technical information
| Type | Submarine |
| Displacement | 769 / 871 BRT |
| Length | 67.10 m (oa) |
| Complement | 44 men |
| Armament | 1 3.5" gun 1 37mm AA 2 20mm AA 5 21" torpedo tubes (4 bow, 1 stern) 14 torpedoes |
| Max speed | 17 / 7.6 knots (surfaced/submerged) |
| Engines | Diesel / electric, 2 shafts |
| Power | 3200 / 750 HP (surfaced/submerged) |
| Notes on class | HMS Graph was the former German submarine U-570 captured south of Iceland on 27 August 1941. |
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See all Submarine classes. |
Royal Navy (more on 