The list of shipwrecks in April 1945 includes ships sunk, foundered, grounded, or otherwise lost during April 1945.

1 April

List of shipwrecks: 1 April 1945
Ship Country Description
Adler  Kriegsmarine World War II: The Adler-class gunnery training ship, a former Herluf Trolle-class coastal defence ship, was sunk at Kiel, Germany by Allied aircraft.
Armenier  United Kingdom The cargo ship (914 GRT, 1919) was scuttled off Littlehampton, Sussex after service as a target ship.[1]
Awa Maru  Japan World War II: The Miike Maru-class hospital ship was torpedoed and sunk by the submarine USS Queenfish ( United States Navy) while marked with illuminated white cross and after having been guaranteed safe passage by the Allies. There was only one survivor among the 2,005 people on board, rescued by Queenfish. The wreck was located at 24°40′N 119°45′E / 24.667°N 119.750°E / 24.667; 119.750 in the 1970s–1980s. Salvage work was done by China Salvage Company, with some remains and artifacts returned to Japan.[2]
Crvena Zvijezda  Yugoslav Navy World War II: The gunboat was sunk by a mine off Sansego, Adriatic Sea, with the loss of 17 or 22 lives and 22 wounded.[3]
Uta  Kriegsmarine World War II: The repair ship, a converted Kriemhild-class guard ship, was sunk on the Danube River by aircraft. Raised, repaired and put in Soviet service as Angara.

2 April

List of shipwrecks: 2 April 1945
Ship Country Description
CD-186  Imperial Japanese Navy World War II: The Type D escort ship was sunk in the East China Sea south west of Amami Ōshima (28°07′N 129°09′E / 28.117°N 129.150°E / 28.117; 129.150) by United States Navy aircraft from Task Force 58. 53 crew were killed and many more wounded.[4]
Concordia  Norway World War II: The cargo ship (5,154 GRT, 1940) was bombed and sunk in Sognefjord, Norway by de Havilland Mosquito aircraft of 143, 235, 248 and 333 Squadrons, Royal Air Force. Later raised, repaired and returned to service.[5][6][7]
USS Dickerson  United States Navy World War II: The high-speed transport, a former Wickes-class destroyer, was damaged in the Pacific Ocean off Okinawa, Japan by a kamikaze attack with the loss of 54 of her 101 crew. The ship was scuttled off Kerama Retto on 4 April.
Edogawa Maru  Japan World War II: Convoy TAMO-51: The cargo ship was torpedoed and sunk in the Yellow Sea (34°02′N 124°00′E / 34.033°N 124.000°E / 34.033; 124.000) by USS Sea Devil ( United States Navy). Lost with all 48 crew.[8]
Nisshin Maru  Japan World War II: Convoy TAMO-51: The cargo ship was torpedoed and sunk in the Yellow Sea (34°02′N 124°00′E / 34.033°N 124.000°E / 34.033; 124.000) by USS Sea Devil ( United States Navy). Thirty-nine crew and nine gunners were killed.[8]
R-256  Kriegsmarine World War II: The Type R-218 minesweeper sank off Bornholm, Denmark after being damaged during a Soviet air attack.[9]
T-17  Imperial Japanese Navy World War II: The No.1-class landing ship was sunk in the East China Sea southwest of Amami Ōshima (28°07′N 129°09′E / 28.117°N 129.150°E / 28.117; 129.150) by United States Navy aircraft from Task Force 58. There were 49 dead and 80 wounded.[4][10][circular reference]
Taijo Maru  Japan World War II: Convoy TAMO-51: The cargo ship was torpedoed and sunk in the Yellow Sea (34°02′N 124°00′E / 34.033°N 124.000°E / 34.033; 124.000) by USS Sea Devil ( United States Navy). Thirty-nine crew and nine gunners were killed.[8]
U-321  Kriegsmarine World War II: The Type VIIC/41 submarine was depth charged and sunk in the Atlantic Ocean southwest of Ireland by a Vickers Wellington aircraft of 304 Squadron, Royal Air Force with the loss of all 41 crew.[11]
UJ 1011  Kriegsmarine World War II: The auxiliary submarine chaser was sunk by Soviet aircraft.[12]
William Blumer  Norway World War II: The cargo ship (3,604 GRT, 1920) was bombed and sunk in Sognefjord, Norway by de Havilland Mosquito aircraft of 143, 235, 248 and 333 Squadrons, Royal Air Force. She was raised on 12 October 1946, repaired and returned to service in April 1948 as William.[5][7]

3 April

List of shipwrecks: 3 April 1945
Ship Country Description
BK-244  Soviet Navy The Project 1125-class armored motor gunboat was sunk on this date.
Brummer  Kriegsmarine World War II: The minelayer was wrecked in a Royal Air Force air raid on Kiel, Schleswig-Holstein.
Daijin Maru No. 1 Go  Imperial Japanese Navy The auxiliary guard boat was lost on this date.
Hedgehog  Nazi Germany World War II:The cargo ship was bombed and sunk at Kiel, Germany. Salvaged, returned to her owners, Shell Algiers, post War.[13]
Heikai Maru  Imperial Japanese Navy World War II: The transport was bombed and sunk 4 miles (6.4 km) southeast of Lamma Island, Hong Kong (22°17′N 114°10′E / 22.283°N 114.167°E / 22.283; 114.167) by United States Far East Air Force Consolidated B-24 Liberator aircraft. A crewman was killed.[14][15]
Irben  Kriegsmarine World War II: The Lauting-class mine transport was sunk at Kiel by Allied aircraft.
Manju  Imperial Japanese Navy World War II: The Etorofu-class escort ship was bombed and damaged by Far East Air Force Consolidated B-24 Liberator aircraft one mile (1.6 km) northeast of Green Island, Hong Kong. Her stern remained afloat with enough buoyancy that the vessel drifted near Stonecutter's Island, Hong Kong before the ship's bow sank to the bottom. 53 crew including her commanding officer and 1 passenger were killed with another 50 crewmen wounded. Salvage began 7 April and the escort ship was fully refloated on 11 May and towed to Kowloon for repairs that were 90% finished at war's end.[5][14]
USS S-16  United States Navy The decommissioned S-class submarine was sunk as a target 14 miles west south west of Key West, Florida (24°25′N 82°02′W / 24.417°N 82.033°W / 24.417; -82.033) in 260 feet of water.[16][17]
Shozan Maru  Imperial Japanese Navy World War II: The transport was bombed and sunk in Hong Kong Harbor by United States Far East Air Force Consolidated B-24 Liberator aircraft. Eight crewmen were killed.[14][15]
T 111  Kriegsmarine World War II: The training ship, a former G 7-class torpedo boat, was sunk at Kiel by United States aircraft.
U-1221  Kriegsmarine World War II: The Type IXC/40 submarine was bombed and sunk at Kiel in an American air raid with the loss of seven of the eighteen crew on board at the time.[5][18]
U-2542  Kriegsmarine World War II: The Type XXI submarine was bombed and sunk at Kiel in an American air raid. The wreck was scrapped post-war.[5][19]
U-3505  Kriegsmarine World War II: The Type XXI submarine was bombed and sunk at Kiel in an American air raid with the loss of a crew member. The wreck was scrapped post-war.[20]
USS YMS-71  United States Navy World War II: The minesweeper was sunk by a mine in the Celebes Sea off Sanga Sanga, Philippine Islands (04°59′N 119°47′E / 4.983°N 119.783°E / 4.983; 119.783).[21]
Yokai Maru  Imperial Japanese Navy World War II: The transport was bombed and sunk in Hong Kong Harbor by United States Far East Air Force Consolidated B-24 Liberator aircraft. Two crewmen were killed.[14]

4 April

List of shipwrecks: 4 April 1945
Ship Country Description
Axenfels  Germany World War II: The cargo ship was bombed and sunk by American aircraft at Kiel, Schleswig-Holstein. Wreck scrapped in March 1948 at Blyth, Northumberland, United Kingdom.[5][22]
USS Dickerson  United States Navy World War II: The badly damaged Wickes-class high-speed transport was scuttled in the Pacific Ocean near Kerama Retto.
Feodosia  Germany World War II: The cargo ship was bombed and sunk by aircraft in the Kattegat.[23]
Horei Maru  Imperial Japanese Navy World War II: The Horei Maru-class salvage ship was destroyed by fire when Kinyu Maru No. 2 ( Japan) was bombed and set on fire by North American B-25 Mitchell aircraft of the 498th and 500th Bomb Squadrons (345 Bomb Group) at Mako, Pescadore Islands (23°32′N 119°39′E / 23.533°N 119.650°E / 23.533; 119.650).[24][25][26]
Irben  Kriegsmarine World War II: The Irben-class minelayer was sunk off Kiel by American aircraft.[5][27]
Kinyu Maru No. 2  Japan World War II: The tanker was bombed and set on fire and sunk by North American B-25 Mitchell aircraft of the 498th and 500th Bomb Squadrons (345 Bomb Group) at Mako, Pescadore Islands (23°32′N 119°39′E / 23.533°N 119.650°E / 23.533; 119.650).[24][25]
Kurt Ramien  Kriegsmarine The Este-class naval trawler/trials ship was sunk on this date.
USS LCI(G)-82  United States Navy World War II: The landing craft infantry (gun) was sunk off Buckner Bay, Okinawa by Japanese assault demolition boats. One crew was killed.[28][29]
USS LSM-12  United States Navy The landing ship medium was wrecked and abandoned at Okinawa. Subsequently stripped for parts.[30]
USS LST-675  United States Navy The landing ship tank was wrecked and abandoned at Okinawa. Subsequently stripped for parts.[31]
M-802  Kriegsmarine World War II: The M 1943-class minesweeper was bombed and sunk by American aircraft at Kiel.[5][32]
Mexphalte  Germany World War II: The tanker was sunk in an American air raid on Kiel.[5]
Mokuto  Imperial Japanese Navy World War II: The Ukuru-class escort ship was mined and sunk in the Shimonoseki Strait (33°53′N 131°03′E / 33.883°N 131.050°E / 33.883; 131.050). Twenty-seven crewmen were killed.[33]
Monte Olivia  Germany World War II: The hospital ship was bombed and sunk at Kiel by American aircraft.[5][34]
New York  Germany World War II: The ocean liner was bombed and sunk at Kiel by American aircraft. The wreck was scrapped from 2 August 1949 at Dalmuir, Scotland, and from January 1950 at Troon, Scotland.[5][35]
R-59  Kriegsmarine World War II: The Type R-41 minesweeper was sunk at Kiel by American aircraft.[5]
R 119  Kriegsmarine World War II: The Type R-41 minesweeper was sunk in an American air raid on Kiel.[5]
R-261  Kriegsmarine World War II: The Type R-218 minesweeper was sunk at Kiel by American aircraft.[5][9]
T-145  Imperial Japanese Navy World War II: The No.101-class landing ship was seriously damaged running aground on Derikyonma-Zaki (28°11′N 129°40′E / 28.183°N 129.667°E / 28.183; 129.667). She was refloated on 11 April had to be abandoned as there was no hope for salvaging her.[36]
Tokachi Maru  Imperial Japanese Navy The auxiliary submarine chaser was sunk on this date.
U-237  Kriegsmarine World War II: The Type VIIC submarine was bombed and sunk at Kiel in an American air raid with the loss of a crew member.[5][37]
U-749  Kriegsmarine World War II: The Type VIIC submarine was bombed and sunk at Kiel in an American air raid with the loss of two crew.[5][38][39]
U-3003  Kriegsmarine World War II: The Type XXI submarine was bombed and sunk at Kiel in an American air raid. The wreck was scrapped post-war.[5][40]

5 April

List of shipwrecks: 5 April 1945
Ship Country Description
Gasray  United Kingdom World War II: The cargo ship (1,406 GRT, 1919) was torpedoed and sunk in the North Sea 2 nautical miles (3.7 km) north of St Abb's Head, Berwickshire by U-2321 ( Kriegsmarine) with the loss of eight of her 24 crew. Survivors were rescued by Clova ( United Kingdom) and the St Abb's lifeboat (
Flag of the Royal National Lifeboat Institution.svg
) Royal National Lifeboat Institution.[41]
Helmi Söhle  Kriegsmarine World War II: the patrol boat was sunk in the Kattegat by de Havilland Mosquito aircraft of 143, 235, 248 and 333 Squadrons, Royal Air Force.[5]
Kamoi  Japan World War II: The oiler was bombed and damaged by United States Far East Air Force Consolidated B-24 Liberator aircraft at Hong Kong. She sank on 8 April in very shallow waters. The crew abandoned her on 13 April.[42]
Kiho Maru No. 1 Go  Imperial Japanese Navy The auxiliary guard boat was lost on this date.
Kine Maru  Imperial Japanese Navy World War II: The cargo ship was bombed and sunk by Martin PBM Mariner aircraft of the United States Navy (22°24′N 115°28′E / 22.400°N 115.467°E / 22.400; 115.467). Fifty-six passengers, five gunners and nineteen crew members were lost.[43]
Ro-49  Imperial Japanese Navy World War II: The Kaichū type submarine was depth charged and sunk in the Pacific Ocean off Okinawa by USS Hudson ( United States Navy).[44]
Rechnik Kubani BK-161  Soviet Navy The Project 1124/No 41-class armored motor gunboat was lost on this date.
Stutthof  Germany World War II: The fishing trawler was sunk in the Kattegat by de Havilland Mosquito aircraft of 143, 235, 248 and 333 Squadrons, Royal Air Force.[5]
T-155  Kriegsmarine World War II: The depot ship, a former V-150-class torpedo boat, was sunk by Soviet aircraft at Schwiemunde.[12]
USS Thornton  United States Navy The seaplane tender, a former Clemson-class destroyer, collided with USS Ashtabula and USS Escalante (both  United States Navy) in the Pacific Ocean off the Ryukyu Islands and was severely damaged. She was beached and abandoned at Keramo Retto on 2 May.
Tokai Maru No. 2  Japan World War II: The cargo ship was bombed and sunk by Consolidated B-24 Liberator, Martin B-26 Marauder and Lockheed P-38 Lightning aircraft of the United States Fifth Air Force (22°24′N 116°10′E / 22.400°N 116.167°E / 22.400; 116.167). Sixteen gunners and thirteen crew members were lost.[45]
Torridal  Norway World War II: The cargo ship (1,381 GRT, 1930) was torpedoed and sunk at Folda, Norway by Utsira ( Royal Norwegian Navy) with the loss of fifteen of her eighteen crew.[46]
U-242  Kriegsmarine World War II: The Type VIIC submarine struck a mine and sank in St George's Channel (52°02′54″N 5°46′48″W / 52.04833°N 5.78000°W / 52.04833; -5.78000) with the loss of all 44 crew.[47]
USS S-17  United States Navy The decommissioned S-class submarine was sunk as a target.

6 April

List of shipwrecks: 6 April 1945
Ship Country Description
Amatsukaze  Imperial Japanese Navy World War II: The Kagerō-class destroyer was bombed and damaged in the Strait of Formosa 6 nautical miles (11 km) east of Amoy, China (24°30′N 118°10′E / 24.500°N 118.167°E / 24.500; 118.167) by North American B-25 Mitchell aircraft of the United States Army Air Force. She was beached at the entrance to Amoy harbor, but salvage was abandoned two days later after further damage by a storm, and she was scuttled on 10 April. Forty-four crewmen were killed.[48]
Araosan Maru  Japan World War II: Convoy SASI-45: The cargo ship was torpedoed and sunk in the Strait of Formosa by USS Hardhead ( United States Navy) with the loss of 57 lives.[5][49]
USS Bush  United States Navy World War II: The Fletcher-class destroyer was sunk in the Pacific Ocean off Okinawa, Japan (27°16′N 127°48′E / 27.267°N 127.800°E / 27.267; 127.800) by a Japanese kamikaze attack with the loss of 87 of her 314 crew.
CD-1  Imperial Japanese Navy World War II: Convoy HOMO-03: The Type C escort ship was sunk in Fotou Bay, China south west of Amoy (23°55′N 117°40′E / 23.917°N 117.667°E / 23.917; 117.667) by North American B-25 Mitchell aircraft of the 345th Bomb Group, United States Army Air Force.[50]
CD-134  Imperial Japanese Navy World War II: Convoy HOMO-03: The Type D escort ship was sunk in Fotou Bay south west of Amoy (23°55′N 117°40′E / 23.917°N 117.667°E / 23.917; 117.667) by North American B-25 Mitchell aircraft of the 345th Bomb Group, United States Army Air Force.[51]
Captain Nathaniel B. Palmer  United States World War II: The fishing vessel was sunk 9 nautical miles (17 km) south south east of Block Island when a depth charge caught in her net exploded. Three crewmen were killed. The only survivor was rescued by Mandalay ( United States).[15]
USS Colhoun  United States Navy World War II: The Fletcher-class destroyer was sunk in the Pacific Ocean off Okinawa (27°16′N 127°48′E / 27.267°N 127.800°E / 27.267; 127.800) when hit by four Japanese kamikaze aircraft. Thirty-five crewmen were killed.[52]
Cuba  United Kingdom World War II: Convoy VWP-16: The troopship (11,420 GRT, 1923) was torpedoed and sunk in the English Channel south east of the Isle of Wight (50°36′N 0°58′W / 50.600°N 0.967°W / 50.600; -0.967) by U-1195 ( Kriegsmarine) with the loss of one of the 265 people on board. Survivors were rescued by HMCS Nene ( Royal Canadian Navy).[53]
USS Emmons  United States Navy World War II: The high-speed minesweeper, a former Gleaves-class destroyer, was damaged in a Japanese kamikaze attack in the Pacific Ocean off Okinawa (26°48′N 128°04′E / 26.800°N 128.067°E / 26.800; 128.067) with the loss of 60 of her 208 crew. She was scuttled the next day.
Hobbs Victory  United States World War II: The Victory ship was damaged in a Japanese kamikaze attack at Okinawa (25°50′N 127°14′E / 25.833°N 127.233°E / 25.833; 127.233). She exploded and sank the next day. Survivors were rescued by USS Serene and USS Success (both  United States Navy).[54][55][56]
USS LST-447  United States Navy World War II: The Mk 2 landing ship tank was damaged at Kerama Retto, Japan (26°09′N 127°18′E / 26.150°N 127.300°E / 26.150; 127.300) in a kamikaze attack. She sank the next day.[15]
USS Leutze  United States Navy World War II: The Fletcher-class destroyer was damaged in a Japanese kamikaze attack. She was consequently declared a constructive total loss.[57]
Logan Victory  United States World War II: The Victory ship was sunk by a kamikaze attack.[58]
Marco Brunner  Germany World War II: The troopship was sunk off Väderöarna, Sweden, with the loss of around 700 from the 1,200 people on board.[59]
USS Morris  United States Navy World War II: The Sims-class destroyer was damaged by a Japanese Nakajima B5N kamikaze aircraft. She was subsequently declared a constructive total loss.[57]
USS Newcomb  United States Navy World War II: The Fletcher-class destroyer was damaged in a Japanese kamikaze attack. She was consequently declared a constructive total loss.[57]
U-1195  Kriegsmarine World War II: The Type VIIC submarine was depth charged and sunk in the English Channel south east of the Isle of Wight (50°33′17″N 0°56′09″W / 50.55472°N 0.93583°W / 50.55472; -0.93583) by HMS Watchman ( Royal Navy) with the loss of 32 crew. There were 18 survivors.[60][61]
W-12  Imperial Japanese Navy World War II: The No.7-class minesweeper was torpedoed and damaged off Komodo Island and beached (08°13′N 119°14′E / 8.217°N 119.233°E / 8.217; 119.233), torpedoed again and sunk by USS Besugo ( United States Navy).[62]

7 April

List of shipwrecks: 7 April 1945
Ship Country Description
Asashimo  Imperial Japanese Navy World War II: Operation Ten-Go: The Yūgumo-class destroyer was torpedoed and sunk in the Pacific Ocean 150 nautical miles (280 km) south west of Nagasaki approximately 38°N 128°E / 38°N 128°E / 38; 128 by aircraft based on USS San Jacinto ( United States Navy) with the loss of all 328 crew.
Flensburg  Germany World War II: The incomplete cargo ship was bombed and sunk at Pillau, East Prussia by Soviet aircraft.[63]
Hamakaze  Imperial Japanese Navy World War II: Operation Ten-Go: The Kagerō-class destroyer was torpedoed and sunk in the Pacific Ocean 150 nautical miles (280 km) south west of Nagasaki (30°47′N 128°08′E / 30.783°N 128.133°E / 30.783; 128.133) by aircraft based on USS San Jacinto ( United States Navy). 100 crew members were killed and 45 wounded. Hatsushimo ( Imperial Japanese Navy) rescued 257 survivors.[64]
Isokaze  Imperial Japanese Navy World War II: The Kagerō-class destroyer was damaged in the Pacific Ocean by aircraft of Task Force 58, United States Navy. She was scuttled with the loss of twenty of her 239 crew.
Isuzu  Imperial Japanese Navy World War II: The Nagara-class cruiser was torpedoed and damaged in the Java Sea 80 nautical miles (150 km) north west of Bima, Dutch East Indies by USS Gabilan ( United States Navy). She was then torpedoed and sunk by USS Charr ( United States Navy) at 7°38′S 118°09′E / 7.633°S 118.150°E / -7.633; 118.150. One hundred and ninety crewmen were killed. Four hundred and thirty-seven crewmen and her captain were rescued by Kari, and thirteen by W-34 (both  Imperial Japanese Navy).[65]
James W. Nesmith  United States World War II: Convoy HX 346: The Liberty ship was torpedoed and damaged in the Irish Sea (53°24′N 4°48′W / 53.400°N 4.800°W / 53.400; -4.800) by U-1024 ( Kriegsmarine). All 82 people on board survived. She was beached at Holyhead, Anglesey, United Kingdom but was declared a constructive total loss. Post war scuttled in the North Sea off Wilhelmshaven, Germany with a load of chemical weapons.[66][67]
Kasumi  Imperial Japanese Navy World War II: Operation Ten-Go: The Yūgumo-class destroyer was bombed and damaged in the Pacific Ocean 150 nautical miles (280 km) south west of Nagasaki (approximately 38°N 128°E / 38°N 128°E / 38; 128) by United States Navy aircraft. Scuttled by Fuyutsuki ( Imperial Japanese Navy) with the loss of seventeen crewmen killed and 47 wounded.[68]
HMS MTB 494  Royal Navy World War II: The BPB 72'-class motor torpedo boat (43/51 t, 1944) was rammed and sunk in the North Sea by S 176 ( Kriegsmarine). 14 crew were killed.[5][69][70]
HMS MTB 5001  Royal Navy World War II: The Fairmile D (modified) motor torpedo boat (90/107 t, 1944) was sunk in the North Sea by gunfire by a Kriegsmarine Schnellboot or was rammed and sunk by S 177 ( Kriegsmarine). Three crew were killed.[5][70][71]
Oldenburg  Germany World War II: The cargo ship was sunk off Vadheim, Norway by Allied aircraft.
S 176  Kriegsmarine World War II: The Type 1939/40 Schnellboot was sunk by HMS MTB 494, HMS MTB 493, and HMS MTB 497 (all  Royal Navy), also suffering damage by ramming HMMTB 494. Five men were killed and the survivors were captured.[5][70][72]
S 177  Kriegsmarine World War II: The Type 1939/40 Schnellboot was sunk by HMS MTB 494, HMS MTB 493, and HMS MTB 497 (all  Royal Navy), also suffering damage in a collision with HMMTB 493. The whole crew was rescued by S 174 ( Kriegsmarine)[5][70][72]
Yahagi  Imperial Japanese Navy World War II: Operation Ten-Go: The Agano-class cruiser was bombed, torpedoed and sunk in the Pacific Ocean south of Kyushu, Japan by United States Navy aircraft with the loss of 446 crew members.[73]
Yamato  Imperial Japanese Navy World War II: Operation Ten-Go: The Yamato-class battleship was bombed, torpedoed and sunk in the Pacific Ocean south of Kyushu by United States Navy aircraft with the loss of 2,055 of her 2,332 crew.

8 April

List of shipwrecks: 8 April 1945
Ship Country Description
Albert  Germany World War II: The cargo ship was bombed and wrecked by aircraft at Hamburg, Germany. Wreck scrapped in January 1950.[74]
Boelcke
Balkenkreuz (Iron Cross)
 Luftwaffe
World War II: The Karl Meyer-class seaplane tender was sunk by Soviet aircraft off Hela, Danzig-West Prussia.[5]
Franken  Kriegsmarine World War II: The auxiliary ship was bombed and sunk by Soviet bombers off Hela.[75]
Hans Albrecht Wedel
Balkenkreuz (Iron Cross)
 Luftwaffe
World War II: The Hans Albrecht Wedel-class seaplane tender was sunk by Soviet aircraft.
USS PGM-18  United States Navy World War II: The PGM-9-class gunboat was mined in Buckner Bay, Okinawa and sank with a loss of 14 of her crew, some of them aboard the YMS-103 ( United States Navy) that was mined while rescuing them. 14 of the 50 survivors were wounded.[76][77]
Ritsu Go  Japan World War II: The cargo ship was torpedoed and sunk in the East China Sea by USS Spadefish ( United States Navy).[5]
S 202  Kriegsmarine World War II: The Type 1939/40 Schnellboote sank after a collision in the North Sea with S 703  Kriegsmarine whilst engaging Royal Navy motor torpedo boats. Six crewmen were killed and the survivors were captured.[5][72][70][78]
S 223  Kriegsmarine World War II: The Type 1939/40 Schnellboot was sunk at Hoofden by a mine. 20 crewmen were killed. Only nine men survived.[72][70][79]
S 202  Kriegsmarine World War II: The Type 1939/40 Schnellboote sank after a collision in the North Sea with S 202  Kriegsmarine whilst engaging Royal Navy motor torpedo boats. Seven crewmen were killed and the survivors were captured.[5][72][70][80]
Tama Maru  Imperial Japanese Navy The auxiliary submarine chaser was sunk on this date.
Tamon Maru No.12  Japan World War II: The cargo ship struck a mine and sank off Shanghai, China.[81]
U-774  Kriegsmarine World War II: The Type VIIC submarine was depth charged and sunk in the Atlantic Ocean south west of Ireland (49°58′N 11°51′W / 49.967°N 11.850°W / 49.967; -11.850) by HMS Bentinck and HMS Calder (both  Royal Navy) with the loss of all 44 crew.[82]
U-1001  Kriegsmarine World War II: The Type VIIC/41 submarine was depth charged and sunk in the Atlantic Ocean south west of Land's End, Cornwall, United Kingdom (49°19′N 10°23′W / 49.317°N 10.383°W / 49.317; -10.383) by HMS Byron and HMS Fitzroy (both  Royal Navy) with the loss of all 46 crew.[83]
UJ 301  Kriegsmarine World War II: The submarine chaser was bombed and set afire in a Soviet air raid on Hela. She was towed out of the port and scuttled by R 71 ( Kriegsmarine).[5][84]
Vale  Germany World War II: The cargo ship was sunk by Soviet aircraft.[12]
Weserstein  Germany World War II: The cargo ship was sunk by Soviet aircraft.[12]
Wilhelm Bauer  Kriegsmarine World War II: The submarine tender was bombed and sunk by Allied aircraft.[85]
USS YMS-103  United States Navy World War II: The minesweeper was heavily damaged by a mine off Okinawa (26°13′N 127°54′E / 26.217°N 127.900°E / 26.217; 127.900). Five of her 32 crew were killed. She was beached and abandoned as a total loss.[86][87]

9 April

List of shipwrecks: 9 April 1945
Ship Country Description
Admiral Scheer  Kriegsmarine
Admiral Scheer
Admiral Scheer
World War II: The Deutschland-class cruiser was sunk in a Royal Air Force air raid on Kiel, Schleswig-Holstein.
Albert Jensen  Kriegsmarine World War II: The cargo ship was bombed and sunk in the Baltic Sea off Hela, Danzig-West Prussia by Soviet aircraft.[5][88]
Carsten Russ  Germany World War II: The cargo ship was bombed and sunk in the Skagerrak by British aircraft.[5][89]
Charles Henderson  United States World War II: The Liberty ship exploded and sank at Bari, Apulia, Italy when her cargo of 2,000 tons of bombs detonated. There were 360 killed and 1,730 wounded in the port.[90]
F 165  Kriegsmarine The Type A Marinefährprahm was sunk on this date.
Florida  Kriegsmarine World War II: The target ship was bombed and sunk in the Baltic Sea (54°06′N 11°07′E / 54.100°N 11.117°E / 54.100; 11.117) by Soviet aircraft with the loss of four lives. The wreck was raised in 1952.[91]
HMS LCP(R) 738  Royal Navy The landing craft personnel (ramp) (5,9/8,2 t, 1943) foundered in a storm in the Mediterranean Sea.[92]
Lucia C.  Italy World War II: The cargo ship sank at Bari due to damage sustained from the explosion of Charles Henderson ( United States).[5]
M-19  Kriegsmarine World War II: The M-class minesweeper was bombed off Kiel and was beached.[93]
M-504  Kriegsmarine World War II: The Type 1916 minesweeper was bombed and sunk by British aircraft at Kiel.
Mendoza  Germany World War II: The cargo ship was sunk by Soviet aircraft.[12]
Nikko Maru  Japan
Nikko Maru
Nikko Maru
World War II: The troop ship was torpedoed and sunk in the Yellow Sea north-east of Tsingtao, China (36°50′N 123°55′E / 36.833°N 123.917°E / 36.833; 123.917), by USS Tirante ( United States Navy). A total of 563 passengers, fourteen gunners, sixteen guard force soldiers, two signallers, and 73 crewmen were killed.[94]
Ro-56  Imperial Japanese Navy World War II: The Kaichū VI type submarine was depth charged and sunk off Okinodaito-Jima, Ryukyu (26°09′N 130°21′E / 26.150°N 130.350°E / 26.150; 130.350), by USS Mertz and USS Monssen (both  United States Navy). Lost with all 79 hands.[95]
Rosnaes  Denmark World War II: The cargo ship was seized by the Danish Resistance off Copenhagen and ran aground on Ven, Sweden. She was refloated and taken to Landskrona. Nineteen other Danish vessels were also seized and taken to Sweden to prevent their capture by German forces.[96]
Samida  United Kingdom World War II: Convoy TBC 123: The Liberty ship (7,219 GRT, 1943) was torpedoed and sunk in the English Channel off Dungeness, Kent by U-5363 ( Kriegsmarine).[5][97]
Saint Mihiel  United States World War II: Convoy CU 65: The T2 tanker collided with Nashbulk ( United States) in the Atlantic Ocean (37°44′N 64°40′W / 37.733°N 64.667°W / 37.733; -64.667), caught fire and was abandoned.[98][99][100]
U-677  Kriegsmarine World War II: The Type VIIC submarine was destroyed at Hamburg in a British air raid.[101]
U-747  Kriegsmarine World War II: The Type VIIC submarine was badly damaged by bombs at Hamburg in an American air raid. She was scuttled on 3 May 1945.[102]
U-804  Kriegsmarine World War II: The Type IXC/40 submarine was sunk in the Kattegat off Gothenburg, Sweden (57°58′N 11°15′E / 57.967°N 11.250°E / 57.967; 11.250) by de Havilland Mosquito aircraft of 143 Squadron and 235 Squadron, Royal Air Force with the loss of all 55 crew.
U-843  Kriegsmarine World War II: The Type IXC/40 submarine was sunk in the Kattegat west of Gothenburg (57°32′N 11°23′E / 57.533°N 11.383°E / 57.533; 11.383) by a rocket attack by de Havilland Mosquito aircraft of 235 Squadron, Royal Air Force with the loss of 44 of her 56 crew.
U-982  Kriegsmarine World War II: The Type VIIC submarine was bombed and destroyed at Hamburg in a Royal Air Force air raid.[103]
U-1065  Kriegsmarine World War II: The Type VIIC/41 submarine was sunk in the Skaggerak (57°58′N 11°15′E / 57.967°N 11.250°E / 57.967; 11.250) by a rocket attack by de Havilland Mosquito aircraft of 143 and 235 Squadrons, Royal Air Force with the loss of all 45 crew.
U-2509  Kriegsmarine World War II: The Type XXI submarine was bombed and sunk at Hamburg in a Royal Air Force air raid.[5][104]
U-2514  Kriegsmarine World War II: The Type XXI submarine was bombed and sunk at Hamburg in a Royal Air Force air raid.[5][105]
U-2516  Kriegsmarine World War II: The Type XXI submarine was sunk at Kiel in a British air raid. The wreck was scrapped post-war.[106]
U-2550  Germany World War II: The submarine was destroyed in a British air raid on Hamburg.[5]
U-3512  Kriegsmarine World War II: The Type XXI submarine was bombed and sunk at Kiel in a British air raid.[5][107]
UJ 1101 Alemania  Kriegsmarine World War II: The submarine chaser was sunk in a Soviet air raid on Hela.[5][108]
Vale  Germany World War II: The cargo ship was sunk in the Baltic Sea by Soviet aircraft.[5][109]
W-3  Imperial Japanese Navy World War II: The No.1-class minesweeper was torpedoed and sunk off Ofunato (39°07′S 141°57′E / 39.117°S 141.950°E / -39.117; 141.950), by USS Parche ( United States Navy).[110]
USAT Y-17  United States Army World War II: Convoy TAC 90: The tanker was sunk in the Scheldt by a Kriegsmarine Seehund midget submarine.[5]

10 April

List of shipwrecks: 10 April 1945
Ship Country Description
CHa-199  Imperial Japanese Navy World War II: The CHa-1-class auxiliary submarine chaser was sunk off Matsure Light by mines.
General Osorio  Germany World War II: The accommodation ship was sunk at Kiel, Schleswig-Holstein in a British air raid.[5]
Hansa I  Germany World War II: The cargo ship was bombed and sunk off Gothenburg, Sweden by British aircraft.[5][111]
Hosei Maru  Japan World War II: The oiler was torpedoed and sunk in the Sunda Strait (05°25′S 106°39′E / 5.417°S 106.650°E / -5.417; 106.650) by HNLMS O 19 ( Royal Netherlands Navy). 9 passengers died. 29 passengers and all 9 crew members are rescued.[112]
Ilmenau  Germany World War II: The cargo ship was torpedoed and sunk in the Baltic Sea west of Liepāja, Latvia by Shch-310 ( Soviet Navy).[5][113]
M 504  Kriegsmarine World War II: The minesweeper was sunk at Kiel in a British air raid.[5]
HMS ML 102  Royal Navy World War II: The motor launch was torpedoed and sunk in the English Channel off Dover, Kent by a Kriegsmarine midget submarine.[5]
HMS MTB 710  Royal Navy World War II: The Fairmile D motor torpedo boat (90/107 t, 1943) was sunk by a mine off Zara, Italy. 16 crew members were killed.[114][115][116]
Neuwerk  Germany World War II: The refugee ship was torpedoed and sunk off the Hel Peninsula, Danzig-West Prussia by S 708 ( Kriegsmarine) with the loss of about 960 lives. There were eight survivors.[5][117]
R-69  Kriegsmarine World War II: The Type R-41 minesweeper was sunk off Hel, Danzig-West Prussia by Soviet aircraft.[118]
T1  Kriegsmarine World War II: The Type 35 torpedo boat was bombed and sunk by aircraft while docked at the Deutsche Werke yard in Kiel. Nine crew were killed.[119][120]
T13  Kriegsmarine World War II: The Type 37 torpedo boat was bombed and sunk by aircraft in the Kattegat. 20 crew were killed.[121][120]
U-878  Kriegsmarine World War II: The Type IXC/40 submarine was depth charged and sunk in the Bay of Biscay west of Saint-Nazaire, Loire-Inférieure, France (47°35′N 10°33′W / 47.583°N 10.550°W / 47.583; -10.550) by HMS Tintagel Castle and HMS Vanquisher (both  Royal Navy) with the loss of all 51 crew.[122]
Weser  Kriegsmarine World War II: The incomplete auxiliary aircraft carrier, a former Admiral Hipper-class cruiser, was scuttled at Kiel.

11 April

List of shipwrecks: 11 April 1945
Ship Country Description
Agata Maru  Imperial Japanese Navy World War II: The auxiliary netlayer was sunk in the Andaman Sea east of Car Nicobar(08°55′N 98°38′E / 8.917°N 98.633°E / 8.917; 98.633) by Consolidated B-24 Liberator aircraft of 203 Squadron, Royal Air Force.[123]
CH-7  Imperial Japanese Navy World War II: The No.4-class submarine chaser was sunk in the Andaman Sea east of Car Nicobar (08°55′N 98°38′E / 8.917°N 98.633°E / 8.917; 98.633) by Consolidated B-24 Liberator aircraft of 203 Squadron, Royal Air Force.[123]
Hinode Maru No. 17 Go  Imperial Japanese Navy World War II: The auxiliary minesweeper was torpedoed and sunk in the East China Sea by USS Spadefish ( United States Navy).[5]
M-376  Kriegsmarine World War II: The M 1940-class minesweeper was sunk off Hel, Danzig-West Prussia by Soviet aircraft.[124]
Moltkefels  Germany World War II: The cargo ship was bombed by Soviet aircraft off Hel and was beached. 500 killed.[5][125]
M 2  Kriegsmarine World War II: The minesweeper was sunk in Fedefjord by aircraft of Coastal Command, Royal Air Force.[5]
MTB 362  Royal Navy World War II: The motor torpedo boat was torpedoed and sunk in the English Channel east of Dungeness, Kent by a Kriegsmarine Seehund midget submarine.[5]
Panama  United Kingdom World War II: The cargo ship (6,650 GRT, 1915) capsized and sank in the Atlantic Ocean (44°30′N 33°30′W / 44.500°N 33.500°W / 44.500; -33.500 with the loss of 45 of her 50 crew.[126]
Port Wyndham  Germany World War II: Convoy UC 63B: The cargo ship was torpedoed and sunk in the English Channel east of Dungeness by U-5070 ( Kriegsmarine).[5]
Posen  Kriegsmarine World War II: The hospital ship was bombed and sunk by Soviet aircraft off Hela. 300 killed.[5][127]
Ramona  Sweden World War II: The fishing lugger was shelled and sunk in the Baltic Sea south of the Utklippan Lighthouse by K-56 ( Soviet Navy). One crew was killed.[5][128]
Tamasono Maru No. 2 Go  Imperial Japanese Navy The auxiliary minesweeper was lost on this date.
Togo Maru  Imperial Japanese Navy World War II: The auxiliary minesweeper was torpedoed and sunk in the Pacific Ocean off the Japanese coast by USS Parche ( United States Navy).[5]
TS-10  Kriegsmarine World War II: The minesweeper was bombed and sunk by Soviet aircraft off Hela.[129]
UJ 1102  Kriegsmarine World War II: The submarine chaser was bombed and sunk off Hela by Soviet aircraft.[5][130]

12 April

For the severe damage to Sperrbrecher 185 Hans Burg on this date, see List of shipwrecks in September 1944 § 6 September.

List of shipwrecks: 12 April 1945
Ship Country Description
Dione  Norway World War II: De Havilland Mosquito aircraft of 143, 235, 248 and 333 Squadrons, Royal Air Force bombed and sank the cargo ship (1,596 GRT, 1940) at Porsgrunn, Norway. Raised post-war, repaired and returned to service in April 1946.[5][131]
Kalmar  Germany World War II: De Havilland Mosquito aircraft of 143, 235, 248 and 333 Squadrons, Royal Air Force bombed and sank the cargo ship at Porsgrunn.[5][131]
USS LCS(L)-33  United States Navy World War II: Japanese kamikazes sank the landing craft support off Okinawa. Of the 73 men aboard, one was killed, three missing, 29 seriously wounded and 40 were rescued lightly wounded or unhurt.[132][133]
USS LCT-66  United States Navy The landing craft tank was lost at Pearl Harbor, Hawaii.[134]
USS LST-493  United States Navy The landing ship tank ran aground and sank off Plymouth, Devon, United Kingdom (50°20′N 04°09′W / 50.333°N 4.150°W / 50.333; -4.150).[135]
USS Mannert L. Abele  United States Navy World War II: A Japanese kamikaze attack using an Aichi D3A or Yokosuka MXY7 Ohka aircraft sank the Allen M. Sumner-class destroyer in the Pacific Ocean 70 nautical miles (130 km) north west of Okinawa (27°15′00″N 136°30′00″E / 27.25000°N 136.50000°E / 27.25000; 136.50000). USS LSM(R)-189 and USS LSM(R)-190 (both  United States Navy), rescued the survivors.
Nordsjø  Norway World War II: De Havilland Mosquito aircraft of 143, 235, 248 and 333 Squadrons, Royal Air Force bombed and sank the coaster (178 GRT, 1868) at Porsgrunn, Norway. Raised post-war, repaired and returned to service.[5][136]
Ro-64  Imperial Japanese Navy World War II: A mine sank the Japanese Type L submarine in Hiroshima Bay, Japan while she was on a training mission. Eighty people were killed.[137]
Shiratori Maru  Imperial Japanese Navy World War II: The auxiliary submarine chaser was torpedoed and sunk in the Pacific Ocean south of Honshu by USS Silversides ( United States Navy).[5]
Traust  Norway World War II: De Havilland Mosquito aircraft of 143, 235, 248 and 333 Squadrons, Royal Air Force bombed and sank the coaster (222 GRT, 1921) at Porsgrunn, Norway. Raised post-war, repaired and returned to service.[5][46]
U-486  Kriegsmarine World War II: The Type VIIC submarine was torpedoed and sunk in the North Sea north west of Bergen, Norway (60°44′N 4°39′E / 60.733°N 4.650°E / 60.733; 4.650) by HMS Tapir ( Royal Navy) with the loss of all 48 crew.[138]
U-1024  Kriegsmarine World War II: The Type VIIC/41 submarine was damaged in the Irish Sea south of the Isle of Man (53°39′N 5°03′W / 53.650°N 5.050°W / 53.650; -5.050 by a Squid attack by HMS Loch Glendhu and HMS Loch More (both  Royal Navy) with the loss of nine of her 46 crew. HMS Loch More took U-1024 in tow but she foundered the next day.[139]
Wa-104  Imperial Japanese Navy World War II: The Wa-101-class auxiliary minesweeper was sunk south west of Bali, Netherlands East Indies (08°55′S 115°15′E / 8.917°S 115.250°E / -8.917; 115.250) by HMS Stygian ( Royal Navy).[140]
Weserstein  Germany World War II: Soviet aircraft bombed and sank the cargo ship in the port of Pillau, East Prussia.[5][141][142]
Will Rogers  United States World War II: Convoy BB 80: U-1024 ( Kriegsmarine) torpedoed the Liberty ship in the Irish Sea south west of Holyhead, Anglesey, United Kingdom (53°48′N 4°46′W / 53.800°N 4.767°W / 53.800; -4.767). Her crew beached their damaged ship at Holyhead. Later repaired and returned to service on 1 December 1945.[143]
USS Zellars  United States Navy World War II: The Allen M. Sumner-class destroyer was severely damaged off Okinawa, Japan by a kamikaze attack. She was out of action for the rest of the war.

13 April

List of shipwrecks: 13 April 1945
Ship Country Description
F 961  Kriegsmarine The Type D Marinefährprahm was sunk by Allied fighter-bombers near Fiume, Italy.[144]
Kasuga Maru  Imperial Japanese Navy The auxiliary submarine chaser was sunk on this date.
Karlsruhe  Germany World War II: The cargo ship was bombed and sunk by Soviet Douglas A-20 Havoc aircraft off the Hel Peninsula, Poland. 970 killed.[145]
Kosho Maru No. 2 Go  Imperial Japanese Navy World War II: The auxiliary guardboat was torpedoed and sunk in the Pacific Ocean by USS Parche ( United States Navy).[5]
Misago Maru No. 1  Imperial Japanese Navy World War II: The auxiliary minesweeper was torpedoed and sunk in the Pacific Ocean off the Japanese coast by USS Parche ( United States Navy).[5]
T16  Kriegsmarine World War II: The Type 37 torpedo boat was bombed and sunk by Allied aircraft at Fredrikshavn, Denmark.[146]
TA45  Kriegsmarine World War II: The Ariete-class torpedo boat was sunk in the Adriatic Sea by HMMTB 670 and HMMTB 697 (both  Royal Navy).[5][147]

14 April

List of shipwrecks: 14 April 1945
Ship Country Description
Belgian Airman  Belgium World War II: The cargo ship was torpedoed and sunk off Chesapeake Bay, Maryland, United States (36°09′N 74°05′W / 36.150°N 74.083°W / 36.150; -74.083) by U-857 ( Kriegsmarine) with the loss of one of her 47 crew. Survivors were rescued by Harold A. Jordan ( United States).[148]
CD-31  Imperial Japanese Navy World War II: Convoy MOSHI-02: The Type C escort ship was torpedoed in the stern by a dud that started a fire, later she capsized and sank in Hiyo Inlet, Saishu Island (33°25′N 126°15′E / 33.417°N 126.250°E / 33.417; 126.250), by USS Tirante ( United States Navy). Sank in shallow water and only partially submerged. Thirty-nine crewmen were killed. 166 survivors rescued by islanders.[149]
Goenoeng Telang  Japan World War II: The fishing vessel was shelled and sunk in the Indian Ocean by HNLMS O 24 ( Royal Netherlands Navy).[5][150]
Juzan Maru  Imperial Japanese Navy World War II: Convoy MOSHI-02: The Juzan Maru-class auxiliary transport was torpedoed and sunk in Hiyo Inlet, Saishu Island (33°25′N 126°15′E / 33.417°N 126.250°E / 33.417; 126.250), by USS Tirante ( United States Navy). Thirty-three crewmen were killed. 166 survivors rescued.[5][151]
Kako Go  Japan World War II: The coaster was torpedoed and sunk in the Java Sea by USS Gabilan ( United States Navy).[5][152]
Nomi  Imperial Japanese Navy World War II: Convoy MOSHI-02: The Mikura-class escort ship was torpedoed causing her forward magazine to explode, she jackknifed, broke in two and sank in Hiyo Inlet, Saishu Island (33°25′N 126°15′E / 33.417°N 126.250°E / 33.417; 126.250), by USS Tirante ( United States Navy). Sank in shallow water and only partially submerged. One hundred and thirty-four crewmen were killed including her captain. 87 survivors were rescued by islanders.[153]
R-126  Kriegsmarine World War II: The Type R-41 minesweeper was sunk in The Great Belt by mines.[118]
Shonan Maru No. 1  Japan World War II: The coaster was torpedoed and sunk in the Java Sea by USS Gabilan ( United States Navy).[5]
TK-184 Morshanskiy Zheleznodorozhnik  Soviet Navy The D-3-class motor torpedo boat was lost on this date.
U-235  Kriegsmarine World War II: The Type VIIC submarine was depth charged and sunk in the Kattegat (57°44′N 10°39′E / 57.733°N 10.650°E / 57.733; 10.650 by T17 ( Kriegsmarine) with the loss of all 47 crew.[154]
U-1206  Kriegsmarine The Type VIIC submarine was lost in the North Sea (57°24′N 1°37′W / 57.400°N 1.617°W / 57.400; -1.617) in a diving accident with the loss of four of her 50 crew.

15 April

List of shipwrecks: 15 April 1945
Ship Country Description
CHa-151  Imperial Japanese Navy The CHa-1-class auxiliary submarine chaser was wrecked in the Pescadore Islands.
DB 06 Nanny  Kriegsmarine The guard ship was lost on this date.
HMS Ekins  Royal Navy World War II: The Captain-class frigate (1,432/1,823 t, 1943) was severely damaged by a mine in the North Sea. Declared a constructive total loss.[155]
F 569  Kriegsmarine The Type C2M minelaying Marinefährprahm was sunk on this date.
M-368  Kriegsmarine World War II: The M 1940-class minesweeper was sunk in a collision with a U-boat off Southern Norway.[156]
Shincho Maru  Japan World War II: The hulk of the Standard 1TM tanker was raised and resunk at the entrance to Takao Harbour, Formosa.[157]
Shonan Maru no. 1 Go  Imperial Japanese Navy The auxiliary submarine chaser was sunk on this date.
U-103  Kriegsmarine World War II: The decommissioned Type IXB submarine was bombed and sunk at Kiel, Schleswig-Holstein in an air raid with the loss of one life.
U-285  Kriegsmarine World War II: The Type VIIC submarine was depth charged and sunk in the Atlantic Ocean south west of Ireland (50°13′N 12°48′W / 50.217°N 12.800°W / 50.217; -12.800) by HMS Grindall and HMS Keats (both  Royal Navy) with the loss of all 44 crew.[158]
U-1063  Kriegsmarine World War II: The Type VIIC/41 submarine was depth charged and sunk in the Atlantic Ocean off Land's End, Cornwall, United Kingdom (50°08′54″N 3°53′24″W / 50.14833°N 3.89000°W / 50.14833; -3.89000) by HMS Loch Killin ( Royal Navy) with the loss of 29 of her 46 crew.
U-1235  Kriegsmarine World War II: The Type IXC/40 submarine was depth charged and sunk in the Atlantic Ocean by USS Frost and USS Stanton (both  United States Navy) with the loss of all 57 crew.
Vs-58  Kriegsmarine World War II: The Vorpostenboot struck a mine and sank in the Baltic Sea north-east of Kiel, Schleswig-Holstein (54°32′N 10°38′E / 54.533°N 10.633°E / 54.533; 10.633).[159]

16 April

List of shipwrecks: 16 April 1945
Ship Country Description
Athelduke  United Kingdom World War II: Convoy FS 1784: The tanker (8,966 GRT, 1929) was torpedoed and sunk in the North Sea east of Newcastle (55°39′N 1°31′W / 55.650°N 1.517°W / 55.650; -1.517) by U-1274 ( Kriegsmarine). One crew was killed.[5][160]
USS Bryant  United States Navy World War II: The Fletcher-class destroyer was severely damaged off Okinawa, Japan by a kamikaze attack with the loss of 34 of her crew. She was out of action for the rest of the war.
CD-73  Imperial Japanese Navy World War II: The Type C escort ship was torpedoed and sunk in the Pacific Ocean off Japan (39°36′N 142°05′E / 39.600°N 142.083°E / 39.600; 142.083) by USS Sunfish ( United States Navy).[161]
Cap Guir  Germany World War II: The cargo ship was torpedoed and sunk by a Soviet Douglas A-20 Havoc aircraft off Öland, Sweden with the loss of 756 lives.[5][162][163]
HMCS Esquimalt  Royal Canadian Navy World War II: The Bangor-class minesweeper (592/690 t, 1942) was torpedoed and sunk in the Atlantic Ocean off Chebucto Head, Nova Scotia (at 44°28′N 63°10′W / 44.467°N 63.167°W / 44.467; -63.167), by U-190 ( Kriegsmarine) with the loss of 44 of her 71 crew. She was the last Canadian warship sunk during the war.[164]
Goya  Kriegsmarine World War II: Evacuation of East Prussia: The transport ship (5,230 GRT, 1942) was torpedoed and damaged in the Baltic Sea north of Hela Danzig-West Prussia by L-3 ( Soviet Navy). She broke in two and sank the next day with the loss of between 6,220 and 7,028 lives. There were between 165 and 334 survivors.[165]
Lützow  Kriegsmarine
Lutzow on the bottom in shallow water in the Kaiserfahrt on 26 April 1945
Lutzow on the bottom in shallow water in the Kaiserfahrt on 26 April 1945
World War II: The Deutschland-class cruiser was bombed and sunk in shallow water in the Kaiserfahrt by Royal Air Force aircraft with her main deck above water, her anti-aircraft guns remaining in action until they ran out of ammunition on 4 May. She later was raised by the Soviet Union and sunk in weapons testing in July 1947.
Gold Shell  United Kingdom World War II: The tanker (8,208 GRT, 1931) was sunk in the North Sea by a Kriegsmarine Seehund midget submarine.[5]
Manryu Maru  Imperial Japanese Navy World War II: The auxiliary transport was torpedoed and sunk in the Pacific Ocean off Japan (39°36′N 142°05′E / 39.600°N 142.083°E / 39.600; 142.083) by USS Sunfish ( United States Navy). 41 crewmen were killed.[161][166]
Monarch  United Kingdom World War II: The cable ship (1,150 GRT, 1916) was torpedoed and sunk in the North Sea off Orfordness, Suffolk by a Kriegsmarine Seehund midget submarine.[5]
PiLB 554  Kriegsmarine World War II: The PiLB 41 type landing craft was sunk in the Baltic Sea, either by mines or by shelled Soviet motor torpedo boats.[167]
USS Pringle  United States Navy World War II: The Fletcher-class destroyer was sunk in the Pacific Ocean off Okinawa, Japan by a kamikaze aircraft attack with the loss of 78 of her 336 crew.
R-15  Kriegsmarine World War II: The Type R-2 minesweeper was sunk in the Adriatic Sea by Royal Navy motor torpedo boats.[168]
StuBo-252  Kriegsmarine World War II: The StuBo 39 type landing craft was sunk in the Baltic Sea, either by mines or shelled by Soviet motor torpedo boats.[169]
Toko Maru  Japan World War II: The cargo ship was torpedoed and sunk in the Pacific Ocean south of Honshu by USS Sea Dog ( United States Navy).[5]
U-78  Kriegsmarine World War II: The Type VIIC submarine was shelled and sunk at Pillau, East Prussia by Red Army artillery.[170]
U-880  Kriegsmarine World War II: The Type IXC/40 submarine was depth charged and sunk in the Atlantic Ocean (47°18′N 30°26′W / 47.300°N 30.433°W / 47.300; -30.433) by USS Frost and USS Stanton (both  United States Navy) with the loss of all 49 crew.[171][172]
U-1274  Kriegsmarine World War II: The Type VIIC/41 submarine was depth charged and sunk in the North Sea north of Newcastle-upon-Tyne, Northumberland, United Kingdom (55°36′N 1°24′W / 55.600°N 1.400°W / 55.600; -1.400) by HMS Viceroy ( Royal Navy) with the loss of all 44 crew.[173]

17 April

List of shipwrecks: 17 April 1945
Ship Country Description
Boelke
Balkenkreuz (Iron Cross)
 Luftwaffe
World War II: The Karl Meyer-class seaplane tender was bombed and sunk off the Hel Peninsula by Soviet bombers.
HMS MTB 697  Royal Navy World War II: The Fairmile D motor torpedo boat (90/107 t, 1943) was sunk by a mine in the Adriatic Sea.[174]
Noshiro Maru No. 2 Go  Imperial Japanese Navy The auxiliary minesweeper was lost on this date.
Sonjo Maru  Japan World War II: The cargo ship was sunk by a mine in the Yangtze near where it empties into the East China Sea on "Middle Ground" off Shanghai, China (31°13′N 121°52′E / 31.217°N 121.867°E / 31.217; 121.867). Five troops and eighteen crewmen were killed.[175]
V 1207 P. von Rensen  Kriegsmarine World War II: The Vorpostenboot was sunk in the North Sea off Heligoland by Allied aircraft.[5]

18 April

List of shipwrecks: 18 April 1945
Ship Country Description
Cyrus H. McCormick  United States World War II: Convoy HX 348: The Liberty ship was torpedoed and sunk in the Atlantic Ocean (48°05′N 6°28′W / 48.083°N 6.467°W / 48.083; -6.467) by U-1107 ( Kriegsmarine) with the loss of six of her 53 crew. Survivors were rescued by Gothland ( United Kingdom).[90][176]
Drache  Kriegsmarine World War II: The artillery training ship was sunk at Fischhausen, Eastern Prussia by Soviet aircraft.[5]
Empire Gold  United Kingdom World War II: Convoy HX 348: The tanker (8,028 GRT, 1941) was torpedoed and sunk in the Atlantic Ocean (47°47′N 6°26′W / 47.783°N 6.433°W / 47.783; -6.433) by U-1107 ( Kriegsmarine) with the loss of 43 of her 47 crew. Survivors were rescued by Gothland ( United Kingdom).[177][178]
Filleigh  United Kingdom World War II: Convoy TAM 118: The cargo ship (4,856 GRT, 1928) was torpedoed and sunk in the English Channel off Dover, Kent by U-245 ( Kriegsmarine).[179][180]
I-56  Imperial Japanese Navy World War II: The Type B1 submarine was sunk in the Pacific Ocean off Okinawa (26°42′N 130°38′E / 26.700°N 130.633°E / 26.700; 130.633) by USS Collett, four other destroyers (all  United States Navy) and United States Navy carrier-based aircraft.[181]
Karmt  Norway World War II: Convoy TAM 118: The cargo ship (4,991 GRT, 1938) was torpedoed and sunk in the English Channel off Dover (51°27′N 1°43′E / 51.450°N 1.717°E / 51.450; 1.717) by U-245 ( Kriegsmarine with the loss of four of her 39 crew. Survivors were rescued by HMT Sir Lancelot ( Royal Navy).[179]
Pollux  Germany World War II: The cargo ship was bombed and sunk by aircraft at Hamburg, Germany. Raised 1945 and broken up in Wales in 1947.[182]
SAT 5 Robert Müller 6  Kriegsmarine World War II: The heavy gun carrier/landing fire support ship was bombed and sunk at Fischhausen by Soviet Douglas A-20 Havoc aircraft. 29 crew were killed.[5][12][163][183]
Swiftscout  United States World War II: The tanker was torpedoed and sunk in the Atlantic Ocean 145 nautical miles (269 km) north east of Cape Henry, North Carolina (37°30′N 73°03′W / 37.500°N 73.050°W / 37.500; -73.050) by U-857 or U-879 (both  Kriegsmarine) with the loss of one of her 47 crew. Survivors were rescued by Chancellorsville ( United States).[184]
Teizui Maru  Japan World War II: The cargo liner was damaged by a mine at the west entrance of the Shimoneseki Strait off Yawata, Japan (34°05′N 130°50′E / 34.083°N 130.833°E / 34.083; 130.833) and beached and abandoned.[185]

19 April

List of shipwrecks: 19 April 1945
Ship Country Description
Aquila  Kriegsmarine World War II: The ex-Italian incomplete aircraft carrier was scuttled at Genoa. She was raised in 1946 and scrapped in 1952.
CHa-97  Imperial Japanese Navy World War II: The CHa-1-class auxiliary submarine chaser was sunk in the Kii Channel (33°32′N 135°23′E / 33.533°N 135.383°E / 33.533; 135.383) by USS Sennet ( United States Navy).
Daisei Maru  Imperial Japanese Army World War II: Convoy WA-201: The transport was torpedoed and sunk in the Pacific Ocean off Hokkaido (42°22′N 142°13′E / 42.367°N 142.217°E / 42.367; 142.217) by USS Sunfish ( United States Navy). 33 crewmen and two passengers were killed.[161][186]
Dammtor  Germany World War II: The cargo ship was bombed and sunk by aircraft in the Unterelbe.[187]
Hagane Maru  Japan World War II: The cargo ship was torpedoed and sunk in the Pacific Ocean south of Honshu by USS Sennet ( United States Navy).[5]
Isuzu Maru No. 3  Imperial Japanese Navy World War II: The auxiliary guardboat was torpedoed and sunk in the Pacific Ocean south of Honshu by USS Cero ( United States Navy). 23 crewmen were killed.[5][188]
Kaiho Maru  Imperial Japanese Navy World War II: Convoy WA-201: The government Ministry of Agriculture and Forestry owned, IJN requistioned Kaiho Maru-class auxiliary gunboat, was torpedoed and sunk in the Pacific Ocean off Hokkaido (42°22′N 142°16′E / 42.367°N 142.267°E / 42.367; 142.267) by USS Sunfish ( United States Navy). Five crewmen were killed.[161][186]
Kairyu Maru  Imperial Japanese Navy World War II: The auxiliary gunboat was torpedoed and sunk in the Pacific Ocean south of Honshu by USS Silversides ( United States Navy).[5]
Kaiyo Maru  Japan World War II: The coaster was torpedoed and sunk in the Yellow Sea by USS Trutta ( United States Navy).[5]
Kinshu Maru  Japan World War II: The boat was sunk in the Yellow Sea by USS Trutta ( United States Navy).[5]
M-403  Kriegsmarine World War II: The M-class minesweeper was bombed, strafed and sunk in the Kattegat, south-east of Anholt, Denmark by de Havilland Mosquito aircraft of 143, 235, 248 and 333 Squadrons, Royal Air Force.[5][189]
Mitsuyama Maru  Japan World War II: The boat was sunk in the Yellow Sea by USS Trutta ( United States Navy).[5]
Nygrunn  Norway World War II: The coaster (65 GRT, 1943) either struck a mine, or was torpedoed and sunk in the Skaggerak off Egersund, Norway with the loss of seven crew.[136]
USS Tolman  United States Navy The Robert H. Smith-class destroyer ran aground on the Nagunna Reef, Japan. She was refloated on 25 April, repaired and returned to service.
U-251  Kriegsmarine World War II: The Type VIIC submarine was sunk in the Kattegat (56°37′N 11°51′E / 56.617°N 11.850°E / 56.617; 11.850) by a rocket attack by de Havilland Mosquito aircraft of 143, 235 and 248 Squadrons, Royal Air Force with the loss of 39 of her 43 crew.[190]
U-548  Kriegsmarine World War II: The Type IXC/40 submarine was depth charged and sunk in the Atlantic Ocean south east of Halifax, Nova Scotia, Canada (36°34′N 74°00′W / 36.567°N 74.000°W / 36.567; -74.000) by USS Buckley and USS Reuben James (both  United States Navy) with the loss of all 58 crew.[191]
Westmark  Kriegsmarine World War II: The minelayer was scuttled at La Spezia, Liguria, Italy.[192]

20 April

List of shipwrecks: 20 April 1945
Ship Country Description
Altengamme  Germany World War II: The cargo ship was sunk in the Baltic Sea off Saßnitz, Mecklenburg-Vorpommern by Soviet aircraft.[5]
Ana Divarica  Kingdom of Yugoslavia (Partizans) World War II: The barge was sunk in the Sava River between Brcko and Sremska Mitrovica by a mine.[193]
Ethel Crawford  United Kingdom World War II: The trawler (200 GRT, 1919) struck a mine and sank in the Firth of Clyde (55°13′N 5°14′W / 55.217°N 5.233°W / 55.217; -5.233) with the loss of all ten crew.[194]
Kasja Miletic  Kingdom of Yugoslavia (Partizans) World War II: The transport was sunk in the Sava River between Brcko and Sremska Mitrovica by a mine. She was carrying wounded, 203 died during the sinking and only 17 rescued.[193]
Königsburg  Germany World War II: The coaster was sunk in the Baltic Sea off Hela, Danzig-West Prussia by Soviet aircraft.[5]
V 215  Kriegsmarine World War II: The Vorpostenboot was sunk in the Baltic Sea off Hela by Soviet aircraft.[5]

21 April

List of shipwrecks: 21 April 1945
Ship Country Description
Ostmark  Kriegsmarine World War II: The auxiliary minelayer was bombed and sunk by British aircraft west of Anholt, Denmark.[5][195]
U-636  Kriegsmarine World War II: The Type VIIC submarine was depth charged and sunk in the Atlantic Ocean west of Ireland (55°50′N 10°31′W / 55.833°N 10.517°W / 55.833; -10.517) by HMS Bazely, HMS Bentinck and HMS Drury (all  Royal Navy) with the loss of all 42 crew.[196]

22 April

List of shipwrecks: 22 April 1945
Ship Country Description
Aji Maru  Imperial Japanese Navy World War II: The patrol boat was torpedoed and sunk in the Pacific Ocean south of Honshu (31°39′N 139°00′E / 31.650°N 139.000°E / 31.650; 139.000) by USS Cero ( United States Navy).[5][197]
Ariake Maru  Imperial Japanese Navy The auxiliary guard boat was lost on this date.
HMS LCA 841  Royal Navy The landing craft assault (8.5/11.5 t, 1943) was sunk off Holland.[92]
USS LCS-15  United States Navy World War II: The landing craft support was sunk in the Pacific Ocean off Okinawa, Japan by a Japanese kamikaze attack. Survivors were rescued by USS Van Valkenburgh ( United States Navy).[15]
Neukuhren  Germany World War II: The cargo ship was bombed and sunk by British aircraft off Fredrikshavn, Denmark.[5][198]
Onega  Soviet Union World War II: Convoy PK 9: The cargo ship was torpedoed and sunk in the Barents Sea (69°40′N 33°18′E / 69.667°N 33.300°E / 69.667; 33.300) by U-997 ( Kriegsmarine) with the loss of five of her 42 crew. Survivors were rescued by BO-220 and BO-228 (both  Soviet Navy).[199]
Pavin Vinogradov  Soviet Union World War II: The cargo ship was torpedoed and sunk in the Gulf of Alaska by I-180 ( Imperial Japanese Navy).[200]
USS SC-1019  United States Navy The SC-497-class submarine chaser ran aground and sank in the Yucatan Channel (22°28′N 84°30′W / 22.467°N 84.500°W / 22.467; -84.500) north west of Arroyos de Mantua, Cuba.[201]
Sverre Helmersen  Norway World War II: The Liberty ship (7,209 GRT, 1944) struck a mine and was damaged in the North Sea off Ramsgate, Kent, United Kingdom by U-2329 ( Kriegsmarine). She was towed to Falmouth, Cornwall, where she was declared a total loss. Scrapped in 1948.[5][202]
USS Swallow  United States Navy World War II: The Auk-class minesweeper was sunk in the Pacific Ocean off the Ryukyu Islands, Japan (26°10′N 127°12′E / 26.167°N 127.200°E / 26.167; 127.200) by a kamikaze aircraft attack.
U-518  Kriegsmarine World War II: The Type IXC submarine was depth charged and sunk in the Atlantic Ocean north of the Azores, Portugal (43°26′N 38°23′W / 43.433°N 38.383°W / 43.433; -38.383) by USS Carter and USS Neal A. Scott (both  United States Navy) with the loss of all 56 crew.

23 April

List of shipwrecks: 23 April 1945
Ship Country Description
USS PE-56  United States Navy World War II: The Eagle-class patrol craft was torpedoed and sunk in the Atlantic Ocean 3 nautical miles (5.6 km) off Cape Elizabeth, Maine (near 43°33′N 70°10′W / 43.550°N 70.167°W / 43.550; -70.167), by the submarine U-853 ( Kriegsmarine) with the loss of 49 of her 62 crew. Survivors were rescued by the destroyer USS Selfridge ( United States Navy).[203] The wreck was located in 2019, at 43°30′00.31″N 070°05′58.16″W / 43.5000861°N 70.0994889°W / 43.5000861; -70.0994889.[204][205]
Ingerseks  Norway World War II: The cargo ship (4,970 GRT, 1913) was bombed and damaged in Risenfjord, Norway by Bristol Beaufighter aircraft of 144, 455 and 489 Squadrons, Royal Air Force. She was declared a total loss.[5][206]
John Carver  United States The Liberty ship was sunk by the explosion of her fuel tanks whilst under repair at Philadelphia, Pennsylvania. She was declared a constructive total loss, raised and scrapped.[207]
Kruckau  Germany World War II: The cargo ship was scuttled in the Elbe, Germany.[208]
Riverton  United Kingdom World War II: Convoy TBC 135: The cargo ship (7,345 GRT, 1943) was torpedoed and damaged in the Bristol Channel off St. Ives, Cornwall (50°25′N 5°25′W / 50.417°N 5.417°W / 50.417; -5.417) by U-1023 ( Kriegsmarine) with the loss of three of her 48 crew. She was beached in St Ives Bay. Later repaired and returned to service.[209]
TR 106  Kriegsmarine World War II: The RD-class minesweeper was scuttled at Genoa.
U-183  Kriegsmarine World War II: The Type IXC/40 submarine was sunk by torpedo in the Java Sea (4°57′S 112°52′E / 4.950°S 112.867°E / -4.950; 112.867) by USS Besugo ( United States Navy) with the loss of 54 of her 55 crew.
UJ 2220 Lago Zuai  Kriegsmarine World War II: The submarine chaser was scuttled on this date.
UJ 2222  Kriegsmarine World War II: The submarine chaser, a former Gabbiano-class corvette, was sunk off Genoa by United States Navy PT Boats.[210]
VAS 202  Kriegsmarine World War II: The VAS 201-class submarine chaser was scuttled at La Spezia, Liguria, Italy.[211]

24 April

List of shipwrecks: 24 April 1945
Ship Country Description
Alpino  Germany World War II: The Soldati-class destroyer was scuttled at Genoa, Italy.[5]
USS Frederick C. Davis  United States Navy World War II: Operation Teardrop: The Edsall-class destroyer escort was torpedoed and sunk in the Atlantic Ocean (43°52′N 40°15′W / 43.867°N 40.250°W / 43.867; -40.250) by U-546 ( Kriegsmarine) with the loss of 115 of her 209 crew.
F 617  Kriegsmarine The Type C2 Marinefährprahm was sunk on this date.
F 0770  Kriegsmarine The MZ-B landing craft was sunk on this date.
F 819  Kriegsmarine The Type DM minelaying Marinefährprahm was sunk on this date.
F 831  Kriegsmarine The Type D Marinefährprahm was sunk on this date. Salvaged in 1946 and put in Italian service as MZ 831.
F 865  Kriegsmarine The Type D Marinefährprahm was sunk on this date.
F 890  Kriegsmarine The Type DM minelaying Marinefährprahm was sunk on this date.
F 2703  Kriegsmarine The MZ-A landing craft was sunk on this date.
FR 24  Germany World War II: The Guépard-class destroyer was scuttled at Genoa.[5][212]
FR 32  Germany World War II: The Bourrasque-class destroyer was scuttled at Genoa.[5]
FR 37  Germany World War II: The Le Hardi-class destroyer was scuttled at Genoa.[213]
Ghibli  Germany World War II: The Ciclone-class torpedo boat was scuttled at Genoa.[5]
Huelva  Germany World War II: The cargo ship was bombed and sunk by Soviet Douglas A-20 Havoc aircraft west of Liepāja, Latvia.[5][214][163]
Kronos  Germany World War II: The cargo ship struck a mine and sank in the Vestfjord, Norway.[215]
MAS 505, MAS 515 and MAS 558
War flag of the Italian Social Republic.svg
Italian Social Republic Navy
World War II: The MAS boats were scuttled at Imperia, Liguria.[5]
MAS 525, MAS 550 and MAS 554
War flag of the Italian Social Republic.svg
Italian Social Republic Navy
World War II: The MAS boats were scuttled at Genoa.[5]
MAS 556 and MAS 557
War flag of the Italian Social Republic.svg
Italian Social Republic Navy
World War II: The MAS 552-class MAS boats were scuttled at Imperia.[216]
MAS 561
War flag of the Italian Social Republic.svg
Italian Social Republic Navy
World War II: The MAS boat was torpedoed and damaged off Imperia by USS PT-305 and USS PT-307 (both  United States Navy). She was consequently scuttled.[5]
Monmouth Coast  United Kingdom World War II: The coaster (878 GRT, 1924) was torpedoed and sunk in the Atlantic Ocean 60 nautical miles (110 km) off Sligo, Ireland by U-1305 ( Kriegsmarine) with the loss of sixteen of her seventeen crew.[217][218]
MS 24
War flag of the Italian Social Republic.svg
Italian Social Republic Navy
World War II: The torpedo boat was scuttled at La Spezia, Liguria.[5]
MS 51
War flag of the Italian Social Republic.svg
Italian Social Republic Navy
World War II: The torpedo boat was scuttled at Genoa.[5]
Oldenburg  Kriegsmarine World War II: The auxiliary minelayer, a converted Sesia-class water tanker (with landing capabilities), was scuttled at Genoa. Raised, repaired and returned to Italian service as a water tanker in 1946.[192]
R 162, R 189, R 198 and R 199  Kriegsmarine World War II: The minesweepers were scuttled at Genoa.[5]
R-212  Kriegsmarine World War II: The Type R-151 minesweeper was scuttled at Genoa.[219]
RA 253, RA 254, RA 258, RA 262,
RA 264, RA 265, RA 266, RA 267,
and RA 268
 Kriegsmarine World War II: The minesweepers, former VAS 231-class submarine chasers, were scuttled at Genoa.[5][220]
RD 101  Kriegsmarine World War II: The RD-class minesweeper was scuttled at Genoa.
RD 106, RD 107, RD 108, RD 109 and RD 110  Germany World War II: The incomplete minesweepers were scuttled at Genoa.[5]
RD 102  Kriegsmarine World War II: The incomplete RD-class minesweeper was scuttled at Genoa. Salvaged post war and put in Italian service as DV 111.
RD 103  Kriegsmarine World War II: The incomplete RD-class minesweeper was scuttled at Genoa. Salvaged post war and put in Italian service as DV 112.
RD 104  Kriegsmarine World War II: The incomplete RD-class minesweeper was scuttled at Genoa. Salvaged post war and put in Italian service as DV 114.
RD 105  Kriegsmarine World War II: The incomplete RD-class minesweeper was scuttled at Genoa. Salvaged post war and put in Italian service as DV 115.
RD 106, RD 107, RD 108, RD 109,
and RD 110
 Germany World War II: The incomplete RD-class minesweepers were scuttled at Genoa.[5]
RD 111, RD 112 and RD 113  Kriegsmarine World War II: The incomplete RD-class minesweepers were scuttled at Genoa.
S 509 and S 510  Kriegsmarine World War II: The MAS boats were scuttled at La Spezia.[5]
S 511  Kriegsmarine World War II: The MAS 552-class MAS boat was scuttled at Imperia, Italy.[221]
SA 1  Kriegsmarine World War II: The MS 11-class MS boat was scuttled at Genoa.[222]
SA 11  Kriegsmarine World War II: The MAS 521-class MAS boat was scuttled at Imperia or Genoa, Italy.[221]
SA 12 and SA 13  Kriegsmarine World War II: The MAS 526-class MAS boats were scuttled at Imperia, Italy.[223]
SA 14  Kriegsmarine World War II: The MAS 552-class MAS boat was scuttled at Imperia, Italy.[216]
SA 15  Kriegsmarine World War II: The MAS 552-class MAS boat was scuttled off Liguria, Italy.[216]
SA 16  Kriegsmarine World War II: The MAS 552-class MAS boat was sunk off Imperia, Italy by USS PT-305 and USS PT-306 (both  United States Navy).[216]
SA 17  Kriegsmarine World War II: The MAS 424-class MAS boat was scuttled at Alta Tirreno.[224]
SA 18  Kriegsmarine World War II: The MAS 423-class MAS boat was scuttled at Alta Tirreno.[225]
SA 19
War flag of the Italian Social Republic.svg
Italian Social Republic Navy or  Kriegsmarine
World War II: The MAS 501-class MAS boat was scuttled at Genoa, Italy. Raised, repaired and returned to Italian service post war, ceded to the Soviet Union in 1948 as War Reparation.[226]
SA 20  Kriegsmarine World War II: The MAS 552-class MAS boat was scuttled at Monflacone, Italy.[216]
SA 21  Kriegsmarine World War II: The MAS 526-class MAS boat was scuttled at Monflacone, Italy.[223]
SG 20  Germany World War II: The corvette, a former Generali-class destroyer, was scuttled at Genoa.[5]
TA31  Kriegsmarine World War II: The torpedo boat, a former Freccia-class destroyer, was scuttled at Genoa.[227]
TA32  Kriegsmarine World War II: The torpedo boat, the former Yugoslav destroyer Dubrovnik, was scuttled at Genoa.[228]
TA34  Germany World War II: The Le Hardi-class destroyer was scuttled at Genoa. Raised in 1946 and returned to France. She was not repaired and scrapped in 1958.[5][213]
Tübingen  Germany World War II: The cargo ship was bombed and sunk in the Kattegat by de Havilland Mosquito aircraft of the Royal Air Force.[5][229]
U-108  Kriegsmarine End of World War II: The decommissioned Type IXB submarine was scuttled at Stettin, Pomerania.[230]
U-546  Kriegsmarine World War II: Operation Teardrop: The Type IXC/40 submarine was depth charged, hedgehogged and sunk in the Atlantic Ocean (43°53′N 40°07′W / 43.883°N 40.117°W / 43.883; -40.117 by USS Chatelain, USS Flaherty, USS Hayter, USS Hubbard, USS Janssen, USS Keith, USS Neunzer, USS Pillsbury and USS Varian (all  United States Navy) with the loss of 26 of her 59 crew.
UIT-2  Kriegsmarine World War II: The submarine was scuttled at Genoa.[5]
UIT-3  Kriegsmarine World War II: The submarine was scuttled at Genoa.[5]
UJ 206  Kriegsmarine World War II: The submarine chaser, a former Gabbiano-class corvette, was scuttled at Venice. Raised, repaired and put in Italian service as Bombarda in 1951.
UJ 2221, UJ 2222, UJ 2224, UJ 2227, and UJ 6083  Kriegsmarine World War II: The submarine chasers, former Gabbiano-class corvettes, were scuttled at Genoa.[231]
UJ 2225  Kriegsmarine World War II: The incomplete Ape-class submarine chaser, a former Gabbiano-class corvette, was scuttled at Ansaldo Shipyard, Genoa.
UJ 2226  Kriegsmarine World War II: The Ape-class submarine chaser, a former Gabbiano-class corvette, was scuttle at Monfalcone.
UJ 2228  Kriegsmarine World War II: The incomplete Ape-class submarine chaser, a former Gabbiano-class corvette, was scuttled at CRDA Shipyard, Monfalcone.
UJ 6084  Kriegsmarine World War II: The incomplete Ape-class submarine chaser, a former Gabbiano-class corvette, was scuttled at OTO Shipyard, Livorno.
UJ 6086  Kriegsmarine World War II: The incomplete Ape-class submarine chaser, a former Gabbiano-class corvette, was scuttled at OTO Shipyard, Livorno.
VAS 238  Kriegsmarine World War II: The VAS 231-class submarine chaser was scuttled at Genoa.[220]
VAS 252, VAS 253 and VAS 263
War flag of the Italian Social Republic.svg
Italian Social Republic Navy
World War II: The submarine chasers were scuttled at La Spezia.[5]

25 April

List of shipwrecks: 25 April 1945
Ship Country Description
BK-212  Soviet Navy The Project 1125-class armored motor gunboat was sunk on this date.
BK-214  Soviet Navy The Project 1125-class armored motor gunboat was sunk on this date.
F 709  Kriegsmarine World War II: The Type MZ-A Marinefährprahm was sunk at La Spezia, Italy by an air raid.[232]
F 846  Kriegsmarine The Type D Marinefahrprahm was sunk on this date.
F 873  Kriegsmarine World War II: The Type D Marinefahrprahm was sunk on this date, or on 9 May 1945 by Soviet aircraft.[12]
F 969  Kriegsmarine World War II: The Type D Marinefahrprahm was sunk incomplete at Monfalcone, Italy.
F 970  Kriegsmarine World War II: The Type D Marinefahrprahm was sunk incomplete at Monfalcone, Italy.
F 1156  Kriegsmarine The Type D Marinefahrprahm was sunk on this date.
G 202 Jadera  Kriegsmarine The guard ship was lost on this date.
Graf Zeppelin  Kriegsmarine World War II: The incomplete Graf Zeppelin-class aircraft carrier was scuttled at Stettin, West Pomerania. She was raised and salvaged by the Soviet Union in 1947.
Iglesias  Germany World War II: The cargo ship was scuttled at Genoa, Italy. She was later raised and salvaged.[233]
LAT 18 Heimatland  Kriegsmarine The light gun carrier/landing fire support ship was sunk on this date.
R-162, R-198 and R-199  Kriegsmarine World War II: The Type R-151 minesweepers were scuttled at Genoa.[219]
RA 254, RA 258, RA 264, RA 260  Kriegsmarine World War II: The VAS 301-class submarine chasers were scuttled at Genoa.[234]
RD 147  Kriegsmarine World War II: The incomplete RD-class minesweeper was scuttled at Costaguta shipyard, Genoa.
Ro-109  Imperial Japanese Navy World War II: The Ro-100-class submarine was sunk in the Pacific Ocean 165 nautical miles (306 km) south southwest of Okino-Daito Jima (21°58′N 129°38′E / 21.967°N 129.633°E / 21.967; 129.633) by USS Horace A. Bass ( United States Navy).[235]
SG 20  Kriegsmarine World War II: The escort ship, a former Generali-class torpedo boat, was scuttled at Oneglia, Liguria, Italy as a blockship.[236]
SG 23  Kriegsmarine World War II: The escort ship was scuttled at Genoa.[237]
TA32  Kriegsmarine World War II: The radar picket destroyer/torpedo boat was scuttled at Genoa.
U-326  Kriegsmarine World War II: The Type VIIC/41 submarine was sunk by torpedo in the Bay west of Brest, Finistère, France (48°12′N 5°42′W / 48.200°N 5.700°W / 48.200; -5.700) by a Consolidated B-24 Liberator aircraft of the United States Navy with the loss of all 43 crew.[238]
UJ 2231  Kriegsmarine World War II: The submarine chaser, a former Élan-class corvette, was scuttled at Genoa.[236]
VAS 252, VAS 253 and VAS 263
War flag of the Italian Social Republic.svg
Italian Social Republic Navy
World War II: The VAS 301-class submarine chasers were scuttled at Genoa.[234]
Vs 343  Kriegsmarine World War II: The KSK-2-class naval drifter/Vorpostenboot was scuttled.
W-41  Imperial Japanese Navy World War II: The W-19-class minesweeper was torpedoed and sunk in the East China Sea north of Keelung, Formosa (26°10′N 121°11′E / 26.167°N 121.183°E / 26.167; 121.183) by USS Cod ( United States Navy). There were 75 survivors, one was rescued by USS Cod as a prisoner of war.[239]

26 April

List of shipwrecks: 26 April 1945
Ship Country Description
BK-213  Soviet Navy The Project 1125-class armored motor gunboat was sunk on this date.
F-248  Kriegsmarine World War II: The Type A Marinefahrprahm was sunk in the Baltic Sea by Soviet aircraft.[240]
Meshima Maru  Imperial Japanese Navy The auxiliary minesweeper was lost on this date.
Slovenac  Kingdom of Yugoslavia (Partizans) World War II: The steamer was sunk in the Sava River between Šabac and Sremska Mitrovica by a magnetic mine. Four killed.[193]
TK-802  Soviet Navy The G-5-class motor torpedo boat was wrecked off Pillau.[240]
Unknown, unknown  Kriegsmarine World War II: Two PiLB 41 type landing craft were sunk in the Baltic Sea off Pillau by Soviet gunboats.[167]
Ursa  Germany World War II: The cargo ship was scuttled at Bremen. She was raised later in the year, repaired and entered Finnish service in 1947 as Margareta.[241]
V1114  Kriegsmarine World War II: The Vorpostenboot was bombed and sunk in the German Bight by aircraft of the Royal Air Force.[5]
Wa-6  Imperial Japanese Navy World War II: The No.1-class auxiliary minesweeper was shelled and sunk in the Sunda Sea (04°50′S 115°40′E / 4.833°S 115.667°E / -4.833; 115.667) by HMS Sleuth and HMS Solent (both  Royal Navy).[5][242]

27 April

List of shipwrecks: 27 April 1945
Ship Country Description
BK-8  Soviet Navy The Project 1125-class armored motor gunboat was sunk on this date.
Canada Victory  United States World War II: The Victory ship was sunk in the Pacific Ocean off Okinawa, Japan (26°23′N 127°41′E / 26.383°N 127.683°E / 26.383; 127.683) by a Japanese kamikaze attack. Two gunners and a crewman were killed. Survivors swam to USS Lauderdale ( United States Navy).[243]
HMS Redmill  Royal Navy World War II: The Captain-class frigate (1,432/1,823 t, 1943) was torpedoed and severely damaged in the Atlantic Ocean west of Ireland (54°32′N 10°36′W / 54.533°N 10.600°W / 54.533; -10.600) by U-1105 ( Kriegsmarine) with the loss of 32 of her 186 crew. She was towed to Lisahally, County Londonderry by HMS Rupert ( Royal Navy) but was declared a constructive total loss.[244]
Sperrbrecher 167  Kriegsmarine World War II: The Sperrbrecher struck a mine and sank in the North Sea off Cuxhaven, Schleswig-Holstein (53°59.3′N 8°31.6′E / 53.9883°N 8.5267°E / 53.9883; 8.5267).[245]
Yusen Maru No. 31 Go  Imperial Japanese Navy The auxiliary submarine chaser was sunk on this date.

28 April

List of shipwrecks: 28 April 1945
Ship Country Description
CH-17  Imperial Japanese Navy World War II: The No.13-class submarine chaser was torpedoed and sunk off Tomei Harbor, Fukue Shima, Goto Archipelago, (32°25′N 128°46′E / 32.417°N 128.767°E / 32.417; 128.767) by USS Springer ( United States Navy).[246]
Emily Sauber  Germany World War II: The cargo ship was torpedoed and sunk in the Baltic Sea by TK-133 ( Soviet Navy).[5][169]
Hashima  Imperial Japanese Navy World War II: The Hashima-class cable layer was torpedoed and sunk off Kii Suido south south east of Mikizaki (33°55′N 136°18′E / 33.917°N 136.300°E / 33.917; 136.300) by USS Sennet ( United States Navy).[5][247]
T-146  Imperial Japanese Navy World War II: The No.101-class landing ship was torpedoed and sunk off Tomei Harbor, Fukue Shima, Goto Archepeligo, (32°25′N 128°46′E / 32.417°N 128.767°E / 32.417; 128.767) by USS Trepang ( United States Navy).[246]
U-56  Kriegsmarine World War II: The Type IIC submarine was sunk in a Royal Air Force air raid on Kiel, Schleswig-Holstein with the loss of six of her 25 crew.[248]
HMS BYMS 2053  Royal Navy World War II: The BYMS-class minesweeper (207/320 t, 1943) struck a mine and sank off Porto Corsini, Ravenna, Italy.[249]

29 April

List of shipwrecks: 29 April 1945
Ship Country Description
Daishu Maru  Japan World War II: The cargo ship, a converted Standard Type 2A tanker, (a.k.a. Taishu Maru), was sunk by torpedo in the Pacific Ocean east of Kamaishi, Honshu (39°12′N 142°20′E / 39.200°N 142.333°E / 39.200; 142.333) by USS Cero ( United States Navy). Her captain and 29 crewmen were killed.[250]
F5  Kriegsmarine World War II: The F-class escort ship struck a mine en route from Copenhagen, Denmark, to Swinemünde, Pomerania. Collided with a wreck while under tow and sank.[251]
I-44  Imperial Japanese Navy World War II: The Kaidai-class submarine was depth charged, torpedoed and sunk in the Pacific Ocean 220 nautical miles (410 km) south east of Okinawa (24°15′N 131°16′E / 24.250°N 131.267°E / 24.250; 131.267) by a Grumman TBF Avenger from USS Tulagi ( United States Navy).[252]
Otome Maru  Imperial Japanese Navy World War II: The guard ship was torpedoed and sunk by USS Besugo ( United States Navy) north of Matashiri Island.[253]
Petropolis  Germany World War II: The cargo ship was bombed by aircraft at Hamburg, Germany. Beached at Juelsand in May 1945. Broken up in situ in 1946.[254]
Quito  Kriegsmarine World War II: The submarine tender/supply ship (a.k.a. Teiju Maru and Kito Go) was torpedoed and sunk in the Java Sea off Tanjung Puting Borneo (04°11′S 111°17′E / 4.183°S 111.283°E / -4.183; 111.283) by USS Bream ( United States Navy).[255]
Ro-46  Imperial Japanese Navy World War II: The Kaidai-class submarine was sunk in the Pacific Ocean 220 nautical miles (410 km) southeast of Okinawa (24°15′N 131°16′E / 24.250°N 131.267°E / 24.250; 131.267) by aircraft from USS Tulagi ( United States Navy). Lost with all 86 hands.[256]
HMS Sheldrake  Royal Navy World War II: The Kingfisher-class sloop was damaged/sunk in the North Sea by a Kriegsmarine Seehund midget submarine.[5]
Takasago Maru  Japan World War II: The tanker was torpedoed and sunk in the Gulf of Siam by HMS Tradewind ( Royal Navy).[5]
Teisho Maru  Imperial Japanese Navy World War II: The auxiliary naval vessel was torpedoed and sunk in the Java Sea by USS Gabilan ( United States Navy).[5]
U-286  Kriegsmarine World War II: The Type VIIC submarine was depth charged and sunk in the Barents Sea (69°29′N 33°37′E / 69.483°N 33.617°E / 69.483; 33.617) by HMS Anguilla, HMS Cotton and HMS Loch Insh (all  Royal Navy) with the loss of all 51 crew.[257]
U-307  Kriegsmarine World War II: The Type VIIC submarine was depth charged and sunk in the Barents Sea (69°24′N 33°44′E / 69.400°N 33.733°E / 69.400; 33.733) by HMS Loch Insch ( Royal Navy) with the loss of 37 of her 51 crew.[258]
U-1017  Kriegsmarine World War II: The Type VIIC/41 submarine was depth charged and sunk in the Atlantic Ocean north west of Ireland (56°04′N 11°06′W / 56.067°N 11.100°W / 56.067; -11.100) by a Consolidated B-24 Liberator aircraft of 120 Squadron, Royal Air Force with the loss of all hands (34 known dead).[259]

30 April

List of shipwrecks: 30 April 1945
Ship Country Description
HMS Goodall  Royal Navy World War II: Convoy RA 66: The Captain-class frigate (1,192/1,436 t, 1943) was scuttled by gunfire from the frigate HMS Anguilla ( Royal Navy) in the Barents Sea. HMS Goodall had been torpedoed and severely damaged by U-286 (