German submarine U-233

	U-233 about to be rammed by USS Thomas
History
Nazi Germany
Name	U-233
Ordered	7 December 1940
Builder	Germaniawerft, Kiel
Yard number	663
Laid down	15 August 1941
Launched	8 May 1943
Commissioned	22 September 1943
Fate	Sunk 5 July 1944
General characteristics
Class & type	Type X submarine minelayer
Displacement	1,763 tonnes (1,735 long tons) surfaced; 2,177 tonnes (2,143 long tons) submerged;
Length	89.80 m (294 ft 7 in) o/a; 70.90 m (232 ft 7 in) pressure hull;
Beam	9.20 m (30 ft 2 in) o/a; 4.75 m (15 ft 7 in) pressure hull;
Height	10.20 m (33 ft 6 in)
Draught	4.71 m (15 ft 5 in)
Propulsion	2 × supercharged GW F 46 a 9 pu 9 cylinder, four-stroke diesel engines, 4,800 PS (4,700 bhp; 3,500 kW); 2 × AEG GU 720/8-287 electric motors, 1,100 PS (1,100 shp; 810 kW);
Speed	16.4–17 knots (30.4–31.5 km/h; 18.9–19.6 mph) surfaced; 7 knots (13 km/h; 8.1 mph) submerged;
Range	18,450 nautical miles (34,170 km; 21,230 mi) at 10 knots (19 km/h; 12 mph) surfaced; 93 nmi (172 km; 107 mi) at 4 knots (7.4 km/h; 4.6 mph) submerged;
Test depth	Calculated crush depth: 220 m (720 ft)
Complement	5 officers, 47 enlisted
Armament	2 × 53.3 cm (21 in) stern torpedo tubes; 15 × torpedoes; 66 × SMA mines; 1 × 10.5 cm (4.1 in) deck gun (200 rounds);
Service record
Part of:	4th U-boat Flotilla; 22 September 1943 – 31 May 1944; 12th U-boat Flotilla; 1 June 1944 – 5 July 1944;
Identification codes:	M 54 276
Commanders:	Oblt.z.S. / Kptlt. Hans Steen; 22 September 1943 – 5 July 1944;
Operations:	1 patrol:; 27 May – 5 July 1944;
Victories:	None

German submarine U-233 was a Type XB U-boat of Nazi Germany's Kriegsmarine during World War II. She was laid down on 15 August 1941, launched on 8 May 1943 and commissioned on 22 September of the same year. U-233 was commanded throughout her career by Oberleutnant zur See Hans Steen.

History
U-233 about to be rammed by USS Thomas
Nazi Germany
Name	U-233
Ordered	7 December 1940
Builder	Germaniawerft, Kiel
Yard number	663
Laid down	15 August 1941
Launched	8 May 1943
Commissioned	22 September 1943
Fate	Sunk 5 July 1944
General characteristics
Class & type	Type X submarine minelayer
Displacement	1,763 tonnes (1,735 long tons) surfaced 2,177 tonnes (2,143 long tons) submerged
Length	89.80 m (294 ft 7 in) o/a 70.90 m (232 ft 7 in) pressure hull
Beam	9.20 m (30 ft 2 in) o/a 4.75 m (15 ft 7 in) pressure hull
Height	10.20 m (33 ft 6 in)
Draught	4.71 m (15 ft 5 in)
Propulsion	2 × supercharged GW F 46 a 9 pu 9 cylinder, four-stroke diesel engines, 4,800 PS (4,700 bhp; 3,500 kW) 2 × AEG GU 720/8-287 electric motors, 1,100 PS (1,100 shp; 810 kW)
Speed	16.4–17 knots (30.4–31.5 km/h; 18.9–19.6 mph) surfaced 7 knots (13 km/h; 8.1 mph) submerged
Range	18,450 nautical miles (34,170 km; 21,230 mi) at 10 knots (19 km/h; 12 mph) surfaced 93 nmi (172 km; 107 mi) at 4 knots (7.4 km/h; 4.6 mph) submerged
Test depth	Calculated crush depth: 220 m (720 ft)
Complement	5 officers, 47 enlisted
Armament	2 × 53.3 cm (21 in) stern torpedo tubes 15 × torpedoes 66 × SMA mines 1 × 10.5 cm (4.1 in) deck gun (200 rounds)
Service record
Part of:	4th U-boat Flotilla 22 September 1943 – 31 May 1944 12th U-boat Flotilla 1 June 1944 – 5 July 1944
Identification codes:	M 54 276
Commanders:	Oblt.z.S. / Kptlt. Hans Steen 22 September 1943 – 5 July 1944
Operations:	1 patrol: 27 May – 5 July 1944
Victories:	None