| History | |
|---|---|
 Nazi Germany | |
| Name | U-2521 |
| Ordered | 6 November 1943 |
| Builder | Blohm & Voss,Hamburg |
| Yard number | 2521 |
| Laid down | 31 August 1944 |
| Launched | 18 October 1944 |
| Commissioned | 21 November 1944 |
| Fate | Sunk on 3 May 1945 |
| General characteristics | |
| Class & type | Type XXI submarine |
| Displacement | |
| Length | |
| Beam |
|
| Height | 11.30 m (37 ft 1 in) |
| Draught | 6.32 m (20 ft 9 in) |
| Installed power |
|
| Propulsion |
|
| Speed |
|
| Range |
|
| Test depth | 280 m (920 ft) |
| Complement | 57–60 crewmen |
| Sensors & processing systems |
|
| Armament |
|
| Service record | |
| Part of: |
|
| Identification codes: | M 49 231 |
| Commanders: | |
| Operations: | None |
| Victories: | None |
German submarineU-2521 was aType XXIU-boat (one of the "Elektroboote") ofNazi Germany'sKriegsmarine, built for service inWorld War II. She was ordered on 6 November 1943, and waslaid down on 31 August 1944 at theBlohm & Voss yard atHamburg, as yard number 2521. She waslaunched on 18 October 1944, andcommissioned under the command ofOberleutnant zur See Joachim Methner on 21 November 1944.[2]
Like allType XXIU-boats,U-2521 had a displacement of 1,621 tonnes (1,595 long tons) when at the surface and 1,819 tonnes (1,790 long tons) while submerged. She had a total length of 76.70 m (251 ft 8 in) (o/a), a beam of 8 m (26 ft 3 in), and a draught of 6.32 m (20 ft 9 in).[3] The submarine was powered by twoMAN SE supercharged six-cylinder M6V40/46KBB diesel engines each providing 4,000metric horsepower (2,900kilowatts; 3,900shaft horsepower), twoSiemens-Schuckert GU365/30double-acting electric motors each providing 5,000 PS (3,700 kW; 4,900 shp), and two Siemens-Schuckertsilent running GV232/28 electric motors each providing 226 PS (166 kW; 223 shp).[3]
The submarine had a maximum surface speed of 15.6 knots (28.9 km/h; 18.0 mph) and a submerged speed of 17.2 knots (31.9 km/h; 19.8 mph). When running on silent motors the boat could operate at a speed of 6.1 knots (11.3 km/h; 7.0 mph). When submerged, the boat could operate at 5 knots (9.3 km/h; 5.8 mph) for 340 nautical miles (630 km; 390 mi); when surfaced, she could travel 15,500 nautical miles (28,700 km; 17,800 mi) at 10 knots (19 km/h; 12 mph).[3]U-2521 was fitted with six 53.3 cm (21.0 in)torpedo tubes in the bow and four2 cm (0.79 in) C/30anti-aircraft guns. She could carry twenty-threetorpedoes or seventeen torpedoes and twelvemines. Thecomplement was five officers and fifty-two men.[3]
U-2521 was sunk on 3 May 1945, by rockets, in theFlensburg Fjord.U-2521 was attacked by aBritishHawker Typhoon of184 Squadron. Forty-four of the crew died in the attack with an unknown number of survivors.[2]
The wreck is located at54°49′N09°50′E / 54.817°N 9.833°E /54.817; 9.833.[2]
