German submarine U-2525
German submarine U-2525 was a Type XXI U-boat (one of the "Elektroboote") of Nazi Germany's Kriegsmarine, built for service in World War II. She was ordered on 6 November 1943, and was laid down on 13 September 1944 at the Blohm & Voss yard at Hamburg, as yard number 2525. She was launched on 30 October 1944, and commissioned under the command of Kapitänleutnant Paul-Friedrich Otto on 12 December 1944.

Design
Like all Type XXI U-boats, U-2525 had a displacement of  when at the surface and  while submerged. She had a total length of  (o/a), a beam of , and a draught of . The submarine was powered by two MAN SE supercharged six-cylinder M6V40/46KBB diesel engines each providing , two Siemens-Schuckert GU365/30 double-acting electric motors each providing , and two Siemens-Schuckert silent running GV232/28 electric motors each providing .

The submarine had a maximum surface speed of  and a submerged speed of . When running on silent motors the boat could operate at a speed of . When submerged, the boat could operate at  for ; when surfaced, she could travel  at . U-2525 was fitted with six  torpedo tubes in the bow and four  C/30 anti-aircraft guns. She could carry twenty-three torpedoes or seventeen torpedoes and twelve mines. The complement was five officers and fifty-two men.

Fate
U-2525 was scuttled on 5 May 1945, in Gelting Bay near Gelting as part of Operation Regenbogen. The wreck was later raised and broken up.

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Type XXI submarines
U-boats commissioned in 1944
World War II submarines of Germany
1944 ships
Ships built in Hamburg
Operation Regenbogen (U-boat)
Maritime incidents in May 1945