German submarine U-1276
German submarine U-1276 was a Type VIIC/41 U-boat of Nazi Germany's Kriegsmarine, built for service during World War II. She was laid down at Bremer Vulkan of Bremen-Vegesack on 13 July 1943. She was commissioned  6 April 1944 with Oberleutnant zur See Karl-Heinz Wendt in command. U-1276 was equipped with a submarine snorkel (underwater-breathing apparatus) when she sailed on her last cruise. Design
German Type VIIC/41 submarines were preceded by the heavier Type VIIC submarines. U-1276 had a displacement of  when at the surface and  while submerged. She had a total length of , a pressure hull length of , a beam of , a height of , and a draught of . The submarine was powered by two Germaniawerft F46 four-stroke, six-cylinder supercharged diesel engines producing a total of  for use while surfaced, two AEG GU 460/8–27 double-acting electric motors producing a total of  for use while submerged. She had two shafts and two  propellers. The boat was capable of operating at depths of up to . The submarine had a maximum surface speed of  and a maximum submerged speed of . When submerged, the boat could operate for  at ; when surfaced, she could travel  at . U-1276 was fitted with five  torpedo tubes (four fitted at the bow and one at the stern), fourteen torpedoes, one  SK C/35 naval gun, (220 rounds), one  Flak M42 and two  C/30 anti-aircraft guns. The boat had a complement of between forty-four and sixty. Service history
At 11:45 on 20 February 1945, U-1276 sank , (Lt. Cdr. R.A. Howell, RNVR in command), a  escorting convoy HX 337. Vervain sank after 20 minutes about  south-east of Dungarvan, Ireland. The commander, three officers and 56 ratings were lost. Three officers and 31 ratings were rescued. (Lt. Cdr. N. Scott-Elliot, DSC, RN in command), which was part of the same convoy, then sank U-1276 by depth charges, off Waterford, Ireland at position . All hands aboard the U-boat (49) were lost. Post war
In 2006, a group of divers from Ardmore Diving discovered the wreck site of U-1276 some  south of Youghal. The submarine is lying in  of water and largely intact, albeit visibly damaged by the depth charges that sank her. Summary of raiding history

See also
 Battle of the Atlantic

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German Type VIIC/41 submarines
U-boats commissioned in 1944
U-boats sunk in 1945
World War II submarines of Germany
World War II shipwrecks in the Celtic Sea
1944 ships
Ships built in Bremen (state)
U-boats sunk by depth charges
U-boats sunk by British warships
Submarines lost with all hands
Maritime incidents in February 1945