German submarine U-1227
German submarine U-1227 was a Type IXC/40 U-boat used by Nazi Germany’s Kriegsmarine in World War II. Built at the Deutsche Werft shipyard in Hamburg, it was laid down on 1 February 1943, launched on 18 September 1943, and commissioned on 8 December 1943 under Oberleutnant zur See Friedrich Altmeier. It served with the 31st U-boat Flotilla for training, then with the 2nd U-boat Flotilla from 1 August to 31 December 1944, and with the 33rd U-boat Flotilla from 1 January to 10 April 1945. U-1227 went on one combat patrol from 14 September to 26 December 1944.
On 4 October 1944 it attempted to attack a convoy at night and torpedoed the Canadian escort HMCS Chebogue, which was sunk; U-1227 escaped. The boat was damaged at Kiel during a British bombing raid on 9 April 1945 and was decommissioned the next day. It was scuttled to avoid capture on 3 May 1945 and was later raised and broken up.
Specifications:
- Type IXC/40 submarine
- Surface displacement about 1,144 tonnes; submerged 1,257 tonnes
- Length about 76.8 m; beam 6.86 m; height 9.60 m; draught 4.67 m
- Propulsion: two diesel engines (4,400 hp) and two electric motors (1,000 hp)
- Speed: 18.3 knots surfaced; 7.3 knots submerged
- Range: 13,850 nautical miles at 10 knots surfaced; 63 nautical miles at 4 knots submerged
- Test depth: 230 m
- Armament: six torpedo tubes (22 torpedoes), one 10.5 cm gun, one 3.7 cm AA gun, two twin 2 cm AA guns
- Crew: 48 people
This page was last edited on 2 February 2026, at 22:01 (CET).