Thelist of shipwrecks in April 1945 includesships sunk, foundered, grounded, or otherwise lost during April 1945.
| April 1945 | ||||||
|---|---|---|---|---|---|---|
| Mon | Tue | Wed | Thu | Fri | Sat | Sun |
| 1 | ||||||
| 2 | 3 | 4 | 5 | 6 | 7 | 8 |
| 9 | 10 | 11 | 12 | 13 | 14 | 15 |
| 16 | 17 | 18 | 19 | 20 | 21 | 22 |
| 23 | 24 | 25 | 26 | 27 | 28 | 29 |
| 30 | Unknown date | |||||
| References | ||||||
| Ship | State | Description |
|---|---|---|
| Adler |  Kriegsmarine | World War II: TheAdler-class gunnerytraining ship, a formerHerluf Trolle-classcoastal defence ship, was sunk atKiel, Germany, byAllied aircraft. |
| Armenier |  United Kingdom | Thecargo ship (914 GRT, 1919) wasscuttled offLittlehampton,Sussex, after service as atarget ship.[1] |
| Awa Maru |  Japan | World War II: TheMiike Maru-classRed Crossprisoner of war relief supply ship wastorpedoed and sunk by thesubmarineUSS Queenfish ( United States Navy) while marked with illuminated white cross and after having been guaranteed safe passage by theAllies. There was only one survivor among the 2,005 people on board, rescued byQueenfish. The wreck was located at24°40′N119°45′E / 24.667°N 119.750°E /24.667; 119.750 in the 1970s–1980s. Salvage work was done byChina Salvage Company, with some remains and artifacts returned to Japan.[2] |
| Crvena Zvijezda |  Yugoslav Navy | World War II: Thegunboat was sunk by amine offSansego in theAdriatic Sea, with the loss of 17 or 22 lives and 22 wounded.[3] |
| Two Shin'yō suicide motorboats |  Imperial Japanese Navy | World War II:Battle of Okinawa: TheShin'yō-class suicide motorboats were sunk inNakagusuku Bay, Okinawa.[4] |
| Uta | Kriegsmarine | World War II: Therepair ship (628 t), a convertedKriemhild-classguard ship, was bombed by aircraft on theDanube River at km 1902 (nearOrth an der Donau, Austria), burnt and sank. After the war she was raised, repaired and put in Soviet service asAngara.[5] |
| Ship | State | Description |
|---|---|---|
| Afterglow orPort Richard | United Kingdom | Thesealer and former patrol vessel was blown from her moorings atPort Stanley,Falkland Islands, during a severe gale and wrecked on the southern shore (it is not known whether she had reverted to her civilian name after return from naval service in 1944).[6] |
| CD-186 | Imperial Japanese Navy | World War II: Convoy O-Shima Transport Unit: TheType D escort ship was sunk in theEast China Sea south west ofAmami Ōshima (28°07′N129°09′E / 28.117°N 129.150°E /28.117; 129.150) byUnited States Navy aircraft fromTask Force 58. 53 crew were killed and many more wounded.T-146 ( Imperial Japanese Navy) rescued survivors.[7][8] |
| Concordia |  Norway | World War II: The cargo ship (5,154 GRT, 1940) was bombed and sunk inSognefjord, Norway byde Havilland Mosquito aircraft of143,235,248 and333 Squadrons,Royal Air Force. Later raised, repaired and returned to service.[9][10] |
| USS Dickerson | United States Navy | World War II: Thehigh-speed transport, a formerWickes-classdestroyer, was damaged in the Pacific Ocean offOkinawa, Japan by akamikaze attack with the loss of 54 of her 101 crew. The ship wasscuttled offKerama Retto on 4 April. |
| Edogawa Maru | Japan | World War II: Convoy TAMO-51: The cargo ship wastorpedoed and sunk in theYellow Sea (34°02′N124°00′E / 34.033°N 124.000°E /34.033; 124.000) byUSS Sea Devil ( United States Navy). Lost with all 48 crew.[11] |
| Nisshin Maru | Japan | World War II: Convoy TAMO-51: The cargo ship was torpedoed and sunk in the Yellow Sea (34°02′N124°00′E / 34.033°N 124.000°E /34.033; 124.000) byUSS Sea Devil ( United States Navy). Thirty-nine crew and nine gunners were killed.[11] |
| R-256 | Kriegsmarine | World War II: TheType R-218 minesweeper sank offBornholm, Denmark, after being damaged during a Soviet air attack.[12][13] |
| T-17 | Imperial Japanese Navy | World War II: Convoy O-Shima Transport Unit: TheNo.1-classlanding ship was sunk in the East China Sea southwest of Amami Ōshima (28°07′N129°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.T-146 rescued survivors.[7][8] |
| Taijo Maru | Japan | World War II: Convoy TAMO-51: The cargo ship was torpedoed and sunk in the Yellow Sea (34°02′N124°00′E / 34.033°N 124.000°E /34.033; 124.000) byUSS Sea Devil ( United States Navy). Thirty-nine crew and nine gunners were killed.[11] |
| U-321 | Kriegsmarine | World War II: TheType VIIC/41 submarine wasdepth charged and sunk in the Atlantic Ocean southwest of Ireland by aVickers Wellington aircraft of304 Squadron,Royal Air Force with the loss of all 41 crew.[14] |
| UJ 1011 | Kriegsmarine | World War II: The auxiliarysubmarine 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 asWilliam.[9][15] |
| Ship | State | Description |
|---|---|---|
| BK-244 |  Soviet Navy | World War II: The Project 1125-class armored motor gunboat was sunk by amine in theDanube at km 1798, betweenKomárom andBratislava.[16][17] |
| Brummer | Kriegsmarine | World War II: Theminelayer was wrecked in aRoyal Air Force air raid onKiel,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 atKiel, Germany. The vessel was salvaged and returned to her owners, Shell Algiers, post war.[18] |
| Heikai Maru | Imperial Japanese Navy | World War II: The transport was bombed and sunk four miles (6.4 km) southeast of Lamma Island,Hong Kong (22°17′N114°10′E / 22.283°N 114.167°E /22.283; 114.167) by United StatesFar East Air ForceConsolidated B-24 Liberator aircraft. A crewman was killed.[19][20] |
| Irben | Kriegsmarine | World War II: TheLauting-class mine transport was sunk at Kiel by Allied aircraft. |
| Manju | Imperial Japanese Navy | World War II: TheEtorofu-class escort ship was bombed and damaged byFar East Air ForceConsolidated B-24 Liberator aircraft one mile (1.6 km) northeast ofGreen Island, Hong Kong. Herstern remained afloat with enough buoyancy that the vessel drifted nearStonecutter'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 on 7 April and the escort ship was fully refloated on 11 May and towed toKowloon for repairs that were 90% finished at war's end.[9][19] |
| USS S-16 | United States Navy | The decommissionedS-class submarine was sunk as a target 14 miles (23 km) west south west ofKey West, Florida (24°25′N82°02′W / 24.417°N 82.033°W /24.417; -82.033) in 260 feet (79 m) of water.[21][22] |
| 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.[19][20] |
| T 111 | Kriegsmarine | World War II: The training ship, a formerG 7-classtorpedo boat, was sunk at Kiel by United States aircraft. |
| U-1221 | Kriegsmarine | World War II: TheType 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.[9][23] |
| U-2542 | Kriegsmarine | World War II: TheType XXI submarine was bombed and sunk at Kiel in an American air raid. The wreck was scrapped post-war.[9][24] |
| U-3505 | Kriegsmarine | World War II: TheType 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.[25] |
| Walter Kophamel | Kriegsmarine | World War II: Thehospital ship, a formerMonte-classpassenger ship, was bombed, set afire and sank at Kiel in an American air raid. She was refloated on 12 June 1946 and scrapped in 1948.[26] |
| USS YMS-71 | United States Navy | World War II: Theminesweeper (270 t) was sunk by amine in theCelebes Sea off Sanga Sanga,Philippine Islands (04°59′N119°47′E / 4.983°N 119.783°E /4.983; 119.783). Two crew were killed and 19 wounded.[27][28][29][30] |
| Yokai Maru | Imperial Japanese Navy | World War II: The transport was bombed and sunk inHong Kong Harbor byUnited States Far East Air ForceConsolidated B-24 Liberator aircraft. Two crewmen were killed.[19] |
| Ship | State | Description |
|---|---|---|
| Axenfels | Germany | World War II: The cargo ship was bombed and sunk by American aircraft atKiel,Schleswig-Holstein. Wreck scrapped in March 1948 atBlyth, Northumberland, United Kingdom.[9][31] |
| Feodosia | Germany | World War II: The cargo ship was bombed, exploded and sunk by British aircraft in theKattegat.[32][33] |
| Franz Jurgen | Germany | World War II: The cargo ship was sunk in an Allied air raid onKiel. She was refloated in May 1949, repaired and enteredWest German service.[33][34] |
| Horei Maru | Imperial Japanese Navy | World War II: TheHorei Maru-class salvage ship was destroyed by fire whenKinyu Maru No. 2 ( Japan) was bombed and set on fire byNorth American B-25 Mitchell aircraft of the 498th and 500th Bomb Squadrons (345 Bomb Group) atMako, Pescadore Islands (23°32′N119°39′E / 23.533°N 119.650°E /23.533; 119.650).[35][36][37] |
| Irben | Kriegsmarine | World War II: TheIrben-classminelayer was sunk off Kiel by American aircraft.[9][38] |
| Kinyu Maru No. 2 | Japan | World War II: The tanker was bombed and set on fire and sunk byNorth American B-25 Mitchell aircraft of the 498th and 500th Bomb Squadrons (345 Bomb Group) atMako, Pescadore Islands (23°32′N119°39′E / 23.533°N 119.650°E /23.533; 119.650).[35][36] |
| Kurt Ramien | Kriegsmarine | TheEste-class naval trawler/trials ship was sunk on this date. |
| USS LCI(G)-82 | United States Navy | World War II: Thelanding craft infantry (gun) (250 t) was sunk off Buckner Bay,Okinawa by a Japanese suicide boat. Nine crew were killed.[30][39][40][41][42][43] |
| USS LSM-12 | United States Navy | Thelanding ship medium (743 t) was beached on Haguchi beach, Okinawa, when she was hit byUSS LST-570 and thenUSS LST-675 (both United States Navy) in stormy conditions and flooded. There were no casualties but she was damaged beyond repairs and subsequently stripped for parts.[44][45] |
| USS LST-675 | United States Navy | Thelanding ship tank (1,625 t) was unable to retract from Haguchi beach, Okinawa, in stormy conditions. After coral pierced her bottom, her engine room flooded, she broached and was extensively damaged. No casualties were reported. She remained there until 25 May when she was finally towed from the beach for repairs, but was determined to be unsalvageable. She was decommissioned on 25 August 1945.[45][46][47][48][49] |
| M-802 | Kriegsmarine | World War II: TheM 1943-classminesweeper was bombed and sunk by American aircraft at Kiel.[9][50] |
| Mexphalte | Germany | World War II: Thetanker was sunk in an American air raid on Kiel.[9] |
| Mokuto | Imperial Japanese Navy | World War II: TheUkuru-class escort ship wasmined and sunk in theShimonoseki Strait (33°53′N131°03′E / 33.883°N 131.050°E /33.883; 131.050). Twenty-seven crewmen were killed.[51] |
| Monte Olivia | Germany | World War II: Thehospital ship was bombed and sunk at Kiel by American aircraft.[9][52] |
| New York | Germany | World War II: Theocean liner was bombed and sunk at Kiel by American aircraft. The wreck was scrapped from 2 August 1949 atDalmuir, Scotland, and from January 1950 atTroon, Scotland.[9][53] |
| R-59 | Kriegsmarine | World War II: TheType R-41 minesweeper was sunk at Kiel by American aircraft.[9] |
| R 119 | Kriegsmarine | World War II: TheType R-41 minesweeper was sunk in an American air raid on Kiel.[9] |
| R-261 | Kriegsmarine | World War II: TheType R-218 minesweeper was sunk at Kiel by American aircraft.[9][13] |
| T-145 | Imperial Japanese Navy | World War II: TheNo.101-class landing ship was seriously damaged running aground on Derikyonma-Zaki (28°11′N129°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.[54] |
| T-155 | Kriegsmarine | World War II: The depot ship, a formerV-150-class torpedo boat, was sunk by Soviet aircraft at Schwiemunde.[12] |
| Tokachi Maru | Imperial Japanese Navy | The auxiliarysubmarine chaser was sunk on this date. |
| U-237 | Kriegsmarine | World War II: TheType VIIC submarine was bombed and sunk at Kiel in an American air raid with the loss of a crew member.[9][55] |
| U-749 | Kriegsmarine | World War II: TheType VIIC submarine was bombed and sunk at Kiel in an American air raid with the loss of two crew.[9][56][57] |
| U-3003 | Kriegsmarine | World War II: TheType XXI submarine was bombed and sunk at Kiel in an American air raid. The wreck was scrapped post-war.[9][58] |
| Ship | State | Description |
|---|---|---|
| Gasray | United Kingdom | World War II: The cargo ship (1,406 GRT, 1919) wastorpedoed and sunk in theNorth Sea 2 nautical miles (3.7 km) north ofSt Abb's Head,Berwickshire byU-2321 ( Kriegsmarine) with the loss of eight of her 24 crew. Survivors were rescued byClova (United Kingdom) and the St Abb's lifeboat ( )Royal National Lifeboat Institution.[59] |
| Hardingham | United Kingdom | Thecargo ship caught fire atColombo,Ceylon and was abandoned by her crew. She subsequently exploded and sank. She was on a voyage fromNew York, United States toCalcutta,India.[60] |
| Helmi Söhle | Kriegsmarine | World War II: thepatrol boat was sunk in theKattegat byde Havilland Mosquito aircraft of143,235,248 and333 Squadrons,Royal Air Force.[9] |
| Kamoi | Japan | World War II: Theoiler was bombed and damaged by United StatesFar East Air ForceConsolidated B-24 Liberator aircraft at Hong Kong. She sank on 8 April in very shallow waters. The crew abandoned her on 13 April.[61] |
| 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 byMartin PBM Mariner aircraft of theUnited States Navy (22°24′N115°28′E / 22.400°N 115.467°E /22.400; 115.467). Fifty-six passengers, five gunners and nineteen crew members were lost.[62] |
| Rechnik Kubani BK-161 | Soviet Navy | The Project 1124/No 41-class armored motor gunboat was lost on this date. |
| Ro-49 | Imperial Japanese Navy | World War II: TheKaichū type submarine was depth charged and sunk in thePacific Ocean offOkinawa byUSS Hudson ( United States Navy).[63] |
| USS S-17 | United States Navy | The decommissionedS-class submarine was sunk as a target. |
| Shinto Maru No. 2 | Imperial Japanese Navy | World War II: TheShinto Maru No. 2-class auxiliary netlayer (540 GRT 1939) was shelled and sunk atNaha,Okinawa by US Army artillery. It is unknown if the ship remained beached or had been refloated. Three crew were killed.[64] |
| Stutthof | Germany | World War II: Thefishing trawler was sunk in the Kattegat by de Havilland Mosquito aircraft of 143, 235, 248 and 333 Squadrons, Royal Air Force.[9] |
| USS Thornton | United States Navy | Theseaplane tender (1,215 t), a formerClemson-class destroyer, collided withUSS Ashtabula andUSS Escalante (both United States Navy) in the Pacific Ocean off theRyukyu Islands (24°42′N129°12′E / 24.700°N 129.200°E /24.700; 129.200) and was severely damaged. Six crew were killed or lost overboard and not recovered. She was towed intoKeramo Retto and after an inspection was beached, stripped of all useful materiel as needed, decommissioned and then abandoned.[65][66][67] |
| Tokai Maru No. 2 | Japan | World War II: The cargo ship was bombed and sunk by Consolidated B-24 Liberator,Martin B-26 Marauder andLockheed P-38 Lightning aircraft of the United StatesFifth Air Force (22°24′N116°10′E / 22.400°N 116.167°E /22.400; 116.167). Sixteen gunners and thirteen crew members were lost.[68] |
| Torridal | Norway | World War II: The cargo ship (1,381 GRT, 1930) was torpedoed and sunk atFolda, Norway byUtsira ( Royal Norwegian Navy) with the loss of fifteen of her eighteen crew.[69] |
| U-242 | Kriegsmarine | World War II: TheType VIIC submarine struck amine and sank inSt George's Channel (52°02′54″N5°46′48″W / 52.04833°N 5.78000°W /52.04833; -5.78000) with the loss of all 44 crew.[70] |
| Ship | State | Description |
|---|---|---|
| Amatsukaze | Imperial Japanese Navy | World War II: TheKagerō-classdestroyer was bombed and damaged in theStrait of Formosa 6 nautical miles (11 km) east ofAmoy, China (24°30′N118°10′E / 24.500°N 118.167°E /24.500; 118.167) byNorth American B-25 Mitchell aircraft of theUnited States Army Air Force. She was beached at the entrance to Amoy harbor. Six officers and 150 men survived; 3 officers, 1 passenger, and 41 crew lost. On the evening of 8 April she is refloated by a storm, drifts across the harbor and grounds again at (23°55′N117°40′E / 23.917°N 117.667°E /23.917; 117.667). Storms continue to batter her and she was scuttled with explosives on 10 April. The wreck is designated a bombing target and is expended for bombing training by the Japanese.[71] |
| Araosan Maru | Japan | World War II: Convoy SASI-45: The cargo ship wastorpedoed and sunk in the Strait of Formosa byUSS Hardhead ( United States Navy) with the loss of 57 lives.[9][72] |
| USS Bush | United States Navy | World War II: TheFletcher-class destroyer was sunk in thePacific Ocean offOkinawa, Japan (27°16′N127°48′E / 27.267°N 127.800°E /27.267; 127.800) by a Japanesekamikaze attack with the loss of 87 of her 314 crew. |
| CD-1 | Imperial Japanese Navy | World War II: Convoy HOMO-03: TheType C escort ship was sunk inFotou Bay, China south west ofAmoy (23°55′N117°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.[73] |
| CD-134 | Imperial Japanese Navy | World War II: Convoy HOMO-03: TheType D escort ship was sunk in Fotou Bay south west of Amoy (23°55′N117°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.[74] |
| Captain Nathaniel B. Palmer | United States | World War II: The fishing vessel (36 t) 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 the fishing vesselMandalay (United States).[20][75][76] |
| USS Colhoun | United States Navy | World War II: TheFletcher-class destroyer was sunk in thePacific Ocean off Okinawa (27°16′N127°48′E / 27.267°N 127.800°E /27.267; 127.800) when hit by four Japanesekamikaze aircraft. Thirty-five crewmen were killed.[77] |
| Cuba | United Kingdom | World War II:Convoy VWP-16: Thetroopship (11,420 GRT, 1923) was torpedoed and sunk in theEnglish Channel south east of theIsle of Wight (50°36′N0°58′W / 50.600°N 0.967°W /50.600; -0.967) byU-1195 ( Kriegsmarine) with the loss of one of the 265 people on board. Survivors were rescued byHMCS Nene ( Royal Canadian Navy).[78] |
| USS Emmons | United States Navy | World War II: The high-speed minesweeper, a formerGleaves-class destroyer, was damaged in a Japanese kamikaze attack in the Pacific Ocean off Okinawa (26°48′N128°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: TheVictory ship (7,607 t) was damaged in a Japanese kamikaze attack at Okinawa (25°50′N127°14′E / 25.833°N 127.233°E /25.833; 127.233) and took fire. 11 merchant sailors and two Armed Guard sailors were killed. The survivors abandoned the ammunition laden ship and were rescued byUSS Serene andUSS Success (both United States Navy). She exploded and sank early the next day.[79][80][81][82][83][84] |
| USS LST-447 | United States Navy | World War II: TheMk 2 landing ship tank (1,653 t) was heavily damaged atKerama Retto, Japan (26°09′N127°18′E / 26.150°N 127.300°E /26.150; 127.300) in a kamikaze attack and abandoned. There were five missing, 17 wounded, one of which died of his wounds, and 98 unhurt survivors. She sank the next day.[20][30][85][86] |
| USS Leutze | United States Navy | World War II: TheFletcher-class destroyer (2,100 t) was heavily damaged in a Japanese kamikaze attack west of Okinawa. Her crew lost 7 killed and 34 wounded. She was towed toKerama Retto anchorage for emergency repairs but waited here for three months to be repaired enough to return under steam to California. Repairs were halted following the end of war and she was scrapped in New Jersey in 1947.[87][88][89][90][91] |
| Logan Victory | United States | World War II: TheVictory ship (7,607 t) was sunk by a kamikaze attack offKerama Retto, west of Okinawa. Twelve merchant sailors and 3 Armed Guards were killed.[82][92][93] |
| Marco Brunner | Germany | World War II: Thetroopship was sunk offVäderöarna, Sweden, with the loss of around 700 from the 1,200 people on board.[94] |
| USS Morris | United States Navy | World War II: TheSims-class destroyer was damaged by a JapaneseNakajima B5N kamikaze aircraft. She was subsequently declared aconstructive total loss.[87] |
| USS Newcomb | United States Navy | World War II: TheFletcher-class destroyer was damaged in a Japanese kamikaze attack. She was consequently declared a constructive total loss.[87] |
| U-1195 | Kriegsmarine | World War II: TheType VIIC submarine was depth charged and sunk in the English Channel south east of the Isle of Wight (50°33′17″N0°56′09″W / 50.55472°N 0.93583°W /50.55472; -0.93583) byHMS Watchman ( Royal Navy) with the loss of 32 crew. There were 18 survivors.[95][96] |
| W-12 | Imperial Japanese Navy | World War II: TheNo.7-class minesweeper was torpedoed and damaged offKomodo Island and beached (08°13′N119°14′E / 8.217°N 119.233°E /8.217; 119.233), torpedoed again and sunk byUSS Besugo ( United States Navy).[97] |
| Ship | State | Description |
|---|---|---|
| Asashimo | Imperial Japanese Navy | World War II:Operation Ten-Go: TheYūgumo-class destroyer wastorpedoed and sunk in thePacific Ocean 150 nautical miles (280 km) south west ofNagasaki approximately38°N128°E / 38°N 128°E /38; 128, by aircraft based onUSS 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 atPillau,East Prussia by Soviet aircraft.[12][98] |
| HA-64 andHA-67 | Imperial Japanese Navy | World War II:Battle of Okinawa: The Type C midget submarines were blown up to prevent capture inUnten Bay, Okinawa.[99] |
| Hamakaze | Imperial Japanese Navy | World War II:Operation Ten-Go: TheKagerō-class destroyer was torpedoed and sunk in the Pacific Ocean 150 nautical miles (280 km) south west of Nagasaki (30°47′N128°08′E / 30.783°N 128.133°E /30.783; 128.133) by aircraft based onUSS San Jacinto ( United States Navy). 100 crew members were killed and 45 wounded.Hatsushimo ( Imperial Japanese Navy) rescued 257 survivors.[100] |
| Isokaze | Imperial Japanese Navy | World War II: TheKagerō-class destroyer was damaged in the Pacific Ocean by aircraft ofTask Force 58,United States Navy. She was scuttled with the loss of twenty of her 239 crew. Wreck located 2017/2018.[101] |
| Isuzu | Imperial Japanese Navy | World War II: TheNagara-classcruiser was torpedoed and damaged in theJava Sea 80 nautical miles (150 km; 92 mi) north west ofBima,Dutch East Indies byUSS Gabilan ( United States Navy). She was then torpedoed and sunk byUSS Charr ( United States Navy) at7°38′S118°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 byKari, and thirteen byW-34 (both Imperial Japanese Navy).[102] |
| James W. Nesmith | United States | World War II:Convoy HX 346: TheLiberty ship was torpedoed and damaged in theIrish Sea (53°24′N4°48′W / 53.400°N 4.800°W /53.400; -4.800) byU-1024 ( Kriegsmarine). All 82 people on board survived. She was beached atHolyhead,Anglesey, United Kingdom but was declared aconstructive total loss. Post war scuttled in the North Sea offWilhelmshaven,Germany with a load of chemical weapons.[103][104] |
| Kasumi | Imperial Japanese Navy | World War II:Operation Ten-Go: TheYūgumo-class destroyer was bombed and damaged in thePacific Ocean 150 nautical miles (280 km) south west of Nagasaki (approximately38°N128°E / 38°N 128°E /38; 128) by United States Navy aircraft. Scuttled byFuyutsuki ( Imperial Japanese Navy) with the loss of seventeen crewmen killed and 47 wounded.[105] |
| HMS MTB 494 | Royal Navy | World War II: TheBPB 72'-class motor torpedo boat (43/51 t, 1944) was rammed and sunk in theNorth Sea byS 176 ( Kriegsmarine). 14 crew were killed.[9][106][107] |
| HMS MTB 5001 | Royal Navy | World War II: TheFairmile D (modified) motor torpedo boat (90/107 t, 1944) was sunk in theNorth Sea by gunfire by a KriegsmarineSchnellboot or was rammed and sunk byS 177 ( Kriegsmarine). Three crew were killed.[9][107][108] |
| Oldenburg | Germany | World War II: The cargo ship was sunk offVadheim, Norway by Allied aircraft. |
| S 176 | Kriegsmarine | World War II: The Type 1939/40Schnellboot was sunk byHMS MTB 494,HMS MTB 493, andHMS MTB 497 (all Royal Navy), also suffering damage by rammingHMMTB 494. Five men were killed and the survivors were captured.[9][107][109] |
| S 177 | Kriegsmarine | World War II: The Type 1939/40Schnellboot was sunk byHMS MTB 494,HMS MTB 493, andHMS MTB 497 (all Royal Navy), also suffering damage in a collision withHMMTB 493. The whole crew was rescued byS 174 ( Kriegsmarine)[9][107][109] |
| Yahagi | Imperial Japanese Navy | World War II:Operation Ten-Go: TheAgano-class cruiser was bombed, torpedoed and sunk in the Pacific Ocean south ofKyushu, Japan by United States Navy aircraft with the loss of 446 crew members.[110] |
| Yamato | Imperial Japanese Navy | World War II:Operation Ten-Go: TheYamato-classbattleship 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. |
| Ship | State | Description |
|---|---|---|
| Albert | Germany | World War II: The cargo ship was bombed and wrecked by aircraft atHamburg, Germany. Wreck scrapped in January 1950.[111] |
| Boelcke | Luftwaffe | World War II: TheKarl Meyer-classseaplane tender was sunk bySoviet aircraft offHela,Danzig-West Prussia.[9][12] |
| Franken | Kriegsmarine | World War II: Theauxiliary ship was bombed and sunk by Soviet bombers off Hela.[12][112] |
| Hans Albrecht Wedel | Luftwaffe | World War II: TheHans Albrecht Wedel-class seaplane tender was sunk by Soviet aircraft.[12] |
| USS PGM-18 | United States Navy | World War II: ThePGM-9-class gunboat wasmined inBuckner 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.[113][114] |
| Ritsu Go | Japan | World War II: The cargo ship was torpedoed and sunk in theEast China Sea byUSS Spadefish ( United States Navy).[9] |
| S 202 | Kriegsmarine | World War II: The Type 1939/40Schnellboote sank after a collision in theNorth Sea with S 703 Kriegsmarine whilst engagingRoyal Navymotor torpedo boats. Six crewmen were killed and the survivors were captured.[9][109][107][115] |
| S 223 | Kriegsmarine | World War II: The Type 1939/40Schnellboot was sunk at Hoofden by a mine. 20 crewmen were killed. Only nine men survived.[109][107][116] |
| S 202 | Kriegsmarine | World War II: The Type 1939/40Schnellboote sank after a collision in theNorth Sea with S 202 Kriegsmarine whilst engagingRoyal Navymotor torpedo boats. Seven crewmen were killed and the survivors were captured.[9][109][107][117] |
| Tama Maru | Imperial Japanese Navy | The auxiliarysubmarine chaser was sunk on this date. |
| Tamon Maru No.12 | Japan | World War II: The cargo ship struck a mine and sank offShanghai, China.[118] |
| U-774 | Kriegsmarine | World War II: TheType VIIC submarine was depth charged and sunk in theAtlantic Ocean south west of Ireland (49°58′N11°51′W / 49.967°N 11.850°W /49.967; -11.850) byHMS Bentinck andHMS Calder (both Royal Navy) with the loss of all 44 crew.[119] |
| U-1001 | Kriegsmarine | World War II: TheType VIIC/41 submarine was depth charged and sunk in the Atlantic Ocean south west ofLand's End,Cornwall, United Kingdom (49°19′N10°23′W / 49.317°N 10.383°W /49.317; -10.383) byHMS Byron andHMS Fitzroy (both Royal Navy) with the loss of all 46 crew.[120] |
| 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 byR 71 ( Kriegsmarine).[9][12][121] |
| 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: Thesubmarine tender was bombed and sunk by Allied aircraft.[122] |
| USS YMS-103 | United States Navy | World War II: Theminesweeper was heavily damaged by a mine off Okinawa (26°13′N127°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.[123][124] |
| Ship | State | Description |
|---|---|---|
| Admiral Scheer | Kriegsmarine |  |
| Albert Jensen | Kriegsmarine | World War II: The cargo ship was bombed and sunk in theBaltic Sea offHela,Danzig-West Prussia bySoviet aircraft.[9][12][125] She was raised post-war, repaired and enteredSoviet service asProfessor Popov.[126] |
| Carsten Russ | Germany | World War II: The cargo ship was bombed and sunk in theSkagerrak by British aircraft.[9][127] |
| Charles Henderson | United States | World War II: TheLiberty ship exploded and sank atBari,Apulia, Italy when her cargo of 2,000 tons of bombs detonated. There were 360 killed and 1,730 wounded in the port.[128] |
| F 165 | Kriegsmarine | The Type AMarinefährprahm was sunk on this date. |
| Florida | Kriegsmarine | World War II: Thetarget ship was bombed and sunk in the Baltic Sea (54°06′N11°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.[12][129] |
| HMS LCP(R) 738 | Royal Navy | Thelanding craft personnel (ramp) (5,9/8,2 t, 1943) foundered in a storm in the Mediterranean Sea.[130] |
| Lucia C. |  Italy | World War II: The cargo ship sank at Bari due to damage sustained from the explosion ofCharles Henderson (United States) with the loss of 360 lives. She was later salvaged and scrapped.[9][131] |
| M-19 | Kriegsmarine | World War II: TheM-class minesweeper was bombed off Kiel and was beached.[132] |
| M-504 | Kriegsmarine | World War II: TheType 1916 minesweeper was bombed and sunk by British aircraft at Kiel. |
| Mendoza | Germany | World War II: The cargo ship was bombed and sunk offPillau by Soviet aircraft.[12][26] |
| Nikko Maru | Japan | .jpg) United States Navy). A total of 563 passengers, fourteen gunners, sixteen guard force soldiers, two signallers, and 73 crewmen were killed.[133] |
| Ro-56 | Imperial Japanese Navy | World War II: TheKaichū VI type submarine was depth charged and sunk off Okinodaito-Jima,Ryukyu (26°09′N130°21′E / 26.150°N 130.350°E /26.150; 130.350), byUSS Mertz andUSS Monssen (both United States Navy). Lost with all 79 hands.[134] |
| H43 Rosario | Kriegsmarine | World War II: Thetransport ship was damaged in an Allied air raid onHamburg.[34] |
| Rosnaes |  Denmark | World War II: The cargo ship was seized by theDanish Resistance offCopenhagen and ran aground onVen, Sweden. She was refloated and taken toLandskrona. Nineteen other Danish vessels were also seized and taken to Sweden to prevent their capture by German forces.[135] |
| Samida | United Kingdom | World War II:Convoy TBC 123: TheLiberty ship (7,219 GRT, 1943) was torpedoed and sunk in theEnglish Channel offDungeness,Kent byU-5363 ( Kriegsmarine).[9][136] |
| Saint Mihiel | United States | World War II:Convoy CU 65: TheT2 tanker collided withNashbulk (United States) in the Atlantic Ocean (37°44′N64°40′W / 37.733°N 64.667°W /37.733; -64.667), caught fire and was abandoned.[137][138][139] |
| U-677 | Kriegsmarine | World War II: TheType VIIC submarine was destroyed at Hamburg in a British air raid.[140] |
| U-747 | Kriegsmarine | World War II: TheType VIIC submarine was badly damaged by bombs atHamburg in an American air raid. She was scuttled on 3 May 1945.[141] |
| U-804 | Kriegsmarine | World War II: TheType IXC/40 submarine was sunk in theKattegat offGothenburg, Sweden (57°58′N11°15′E / 57.967°N 11.250°E /57.967; 11.250) byde Havilland Mosquito aircraft of143 Squadron and235 Squadron,Royal Air Force with the loss of all 55 crew. |
| U-843 | Kriegsmarine | World War II: TheType IXC/40 submarine was sunk in the Kattegat west of Gothenburg (57°32′N11°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: TheType VIIC submarine was bombed and destroyed atHamburg in aRoyal Air Force air raid.[142] |
| U-1065 | Kriegsmarine | World War II: TheType VIIC/41 submarine was sunk in the Skaggerak (57°58′N11°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: TheType XXI submarine was bombed and sunk at Hamburg in a Royal Air Force air raid.[9][143] |
| U-2514 | Kriegsmarine | World War II: TheType XXI submarine was bombed and sunk at Hamburg in a Royal Air Force air raid.[9][144] |
| U-2516 | Kriegsmarine | World War II: TheType XXI submarine was sunk at Kiel in a British air raid. The wreck was scrapped post-war.[145] |
| U-2550 | Germany | World War II: The submarine was destroyed in a British air raid on Hamburg.[9] |
| U-3512 | Kriegsmarine | World War II: TheType XXI submarine was bombed and sunk at Kiel in a British air raid.[9][146] |
| UJ 1101 Alemania | Kriegsmarine | World War II: Thesubmarine chaser was sunk in a Soviet air raid on Hela.[9][12][147] |
| Vale | Germany | World War II: The cargo ship was bombed and sunk in the Baltic Sea off Pillau by Soviet aircraft.[9][148][149] |
| W-3 | Imperial Japanese Navy | World War II: TheNo.1-class minesweeper was torpedoed and sunk offOfunato (39°07′S141°57′E / 39.117°S 141.950°E /-39.117; 141.950), byUSS Parche ( United States Navy).[150] |
| USAT Y-17 |  United States Army | World War II:Convoy TAC 90: Thetanker was sunk in theScheldt by aKriegsmarineSeehund midget submarine.[9] |
| Ship | State | Description |
|---|---|---|
| CHa-199 | Imperial Japanese Navy | World War II: TheCHa-1-class auxiliary submarine chaser was sunk off Matsure Light bymines. |
| General Osorio | Germany | World War II: Theaccommodation ship was sunk atKiel,Schleswig-Holstein in a British air raid.[9] She was refloated on 29 August 1947 and scrapped 1947–48.[151] |
| Hansa I | Germany | World War II: The cargo ship was bombed and sunk offGothenburg, Sweden by British aircraft.[9][152] |
| Hosei Maru | Japan | World War II: Theoiler was torpedoed and sunk in theSunda Strait (05°25′S106°39′E / 5.417°S 106.650°E /-5.417; 106.650) byHNLMS O 19 ( Royal Netherlands Navy). Nine passengers died. 29 passengers and all 9 crew members were rescued.[153] |
| Ilmenau | Germany | World War II: The cargo ship wastorpedoed and sunk in theBaltic Sea west ofLiepāja, Latvia byShch-310 ( Soviet Navy). Fifty bombs on board were detonated during theBALTOPS 25exercise from 5 to 20 June 2025.[9][154][155] |
| M 504 | Kriegsmarine | World War II: Theminesweeper was sunk at Kiel in a British air raid.[9] |
| HMS ML 102 | Royal Navy | World War II: The motor launch was torpedoed and sunk in theEnglish Channel offDover,Kent by aKriegsmarinemidget submarine.[9] |
| HMS MTB 710 | Royal Navy | World War II: TheFairmile D motor torpedo boat (90/107 t, 1943) was sunk by amine offZara, Italy. 16 crew members were killed.[156][157][158] |
| Neuwerk | Germany | World War II: The refugee ship was torpedoed and sunk off theHel Peninsula,Danzig-West Prussia byS 708 ( Kriegsmarine) with the loss of about 960 lives. There were eight survivors.[9][159] |
| R-69 | Kriegsmarine | World War II: TheType R-41 minesweeper was sunk offHel, Danzig-West Prussia by Soviet aircraft.[12][160] |
| T1 | Kriegsmarine | World War II: TheType 35 torpedo boat was bombed and sunk by aircraft while docked at theDeutsche Werke yard in Kiel. Nine crew were killed.[161][162] |
| T13 | Kriegsmarine | World War II: TheType 37 torpedo boat was bombed and sunk by aircraft in theKattegat. 20 crew were killed.[163][162] |
| U-878 | Kriegsmarine | World War II: TheType IXC/40 submarine was depth charged and sunk in theBay of Biscay west ofSaint-Nazaire,Loire-Inférieure, France (47°35′N10°33′W / 47.583°N 10.550°W /47.583; -10.550) byHMS Tintagel Castle andHMS Vanquisher (both Royal Navy) with the loss of all 51 crew.[164] |
| Weser | Kriegsmarine | World War II: The incomplete auxiliaryaircraft carrier, a formerAdmiral Hipper-class cruiser, was scuttled at Kiel. |
| Ship | State | Description |
|---|---|---|
| Agata Maru | Imperial Japanese Navy | World War II: TheAgata Maru-class auxiliary transport was sunk in theAndaman Sea 11 miles (18 km) north east ofCar Nicobar (09°21′N93°00′E / 9.350°N 93.000°E /9.350; 93.000) byConsolidated B-24 Liberator aircraft of203 Squadron,Royal Air Force.[165] |
| CH-7 | Imperial Japanese Navy | World War II: TheNo.4-classsubmarine chaser was sunk in the Andaman Sea 11 miles north east of Car Nicobar (09°21′N93°00′E / 9.350°N 93.000°E /9.350; 93.000) by Consolidated B-24 Liberator aircraft of 203 Squadron, Royal Air Force.[165][166] |
| Hinode Maru No. 17 Go | Imperial Japanese Navy | World War II: The auxiliaryminesweeper wastorpedoed and sunk in theEast China Sea byUSS Spadefish ( United States Navy).[9] |
| M-376 | Kriegsmarine | World War II: TheM 1940-class minesweeper was sunk offHel,Danzig-West Prussia bySoviet aircraft.[12][167] |
| Moltkefels | Germany | World War II: The cargo ship was bombed by Soviet aircraft off Hel and was beached with the loss of 500 lives.[9][12][168] She was declared a total loss.[26] |
| M 2 | Kriegsmarine | World War II: The minesweeper was sunk inFedefjord by aircraft ofCoastal Command, Royal Air Force.[9] |
| HMS MTB 362 (1) | Royal Navy | World War II: The motor torpedo boat was torpedoed and sunk in theEnglish Channel east ofDungeness,Kent by aKriegsmarineSeehund midget submarine.[9] |
| Panama | United Kingdom | World War II: The cargo ship (6,650 GRT, 1915) capsized and sank in the Atlantic Ocean (44°30′N33°30′W / 44.500°N 33.500°W /44.500; -33.500 with the loss of 45 of her 50 crew.[169] |
| Port Wyndham | Germany | World War II:Convoy UC 63B: The cargo ship was torpedoed and sunk in the English Channel east of Dungeness byU-5070 ( Kriegsmarine).[9] |
| Posen | Kriegsmarine | World War II: Thehospital ship was bombed and sunk by Soviet aircraft off Hela. 300 killed.[9][12][170] |
| Ramona |  Sweden | World War II: The fishinglugger was shelled and sunk in theBaltic Sea south of theUtklippan Lighthouse byK-56 ( Soviet Navy). One crew was killed.[9][171] |
| 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 byUSS Parche ( United States Navy).[9] |
| TS-10 | Kriegsmarine | World War II: The minesweeper was bombed and sunk by Soviet aircraft off Hela.[12][172] |
| UJ 1102 | Kriegsmarine | World War II: The submarine chaser was bombed and sunk off Hela by Soviet aircraft.[9][12][173] |
| Ship | State | Description |
|---|---|---|
| Dione | Norway | World War II:De Havilland Mosquito aircraft of143,235,248 and333 Squadrons,Royal Air Force bombed and sank the cargo ship (1,596 GRT, 1940) atPorsgrunn, Norway. Raised post-war, repaired and returned to service in April 1946.[9][174] |
| 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.[9][174] |
| USS LCS(L)-33 | United States Navy | World War II: Japanesekamikazes sank thelanding craft support offOkinawa. Of the 73 men aboard, one was killed, three missing, 29 seriously wounded and 40 were rescued lightly wounded or unhurt.[175][176] |
| USS LCT-66 | United States Navy | Thelanding craft tank was lost atPearl Harbor, Hawaii.[177] |
| USS LST-493 | United States Navy | Thelanding ship tank ran aground and sank offPlymouth, Devon, United Kingdom (50°20′N04°09′W / 50.333°N 4.150°W /50.333; -4.150).[178] |
| USS Mannert L. Abele | United States Navy | World War II: A Japanesekamikaze attack using anAichi D3A orYokosuka MXY7 Ohka aircraft sank theAllen M. Sumner-class destroyer in thePacific Ocean 70 nautical miles (130 km) north west of Okinawa (27°15′00″N136°30′00″E / 27.25000°N 136.50000°E /27.25000; 136.50000).USS LSM(R)-189 andUSS 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.[9][179] |
| Ro-64 | Imperial Japanese Navy | World War II: Amine sank theJapanese Type L submarine inHiroshima Bay, Japan while she was on a training mission. Eighty people were killed.[180] |
| Shiratori Maru | Imperial Japanese Navy | World War II: The auxiliarysubmarine chaser was torpedoed and sunk in the Pacific Ocean south ofHonshu byUSS Silversides ( United States Navy).[9] |
| German ship Sperrbrecher 36 Eider (2) | Germany | World War II: Thetarget ship was bombed, exploded and capsized atWilhelmshaven in an Allied air raid. She was later righted.[34] |
| Traust | Norway | World War II: De Havilland Mosquito aircraft of 143, 235, 248 and 333 Squadrons, Royal Air Force bombed and sank thecoaster (222 GRT, 1921) at Porsgrunn, Norway. Raised post-war, repaired and returned to service.[9][69] |
| U-486 | Kriegsmarine | World War II: TheType VIIC submarine was torpedoed and sunk in theNorth Sea north west ofBergen, Norway (60°44′N4°39′E / 60.733°N 4.650°E /60.733; 4.650) byHMS Tapir ( Royal Navy) with the loss of all 48 crew.[181] |
| U-1024 | Kriegsmarine | World War II: TheType VIIC/41 submarine was damaged in theIrish Sea south of theIsle of Man (53°39′N5°03′W / 53.650°N 5.050°W /53.650; -5.050 by aSquid attack byHMS Loch Glendhu andHMS Loch More (both Royal Navy) with the loss of nine of her 46 crew. HMSLoch More tookU-1024 in tow but she foundered the next day.[182] |
| Wa-104 | Imperial Japanese Navy | World War II: TheWa-101-class auxiliary minesweeper was sunk south west ofBali,Netherlands East Indies (08°55′S115°15′E / 8.917°S 115.250°E /-8.917; 115.250) byHMS Stygian ( Royal Navy).[183] |
| Weserstein | Germany | World War II: Soviet aircraft bombed and sank the cargo ship in the port ofPillau,East Prussia.[9][12][184][185] |
| Will Rogers | United States | World War II:Convoy BB 80:U-1024 ( Kriegsmarine) torpedoed theLiberty ship in the Irish Sea south west ofHolyhead,Anglesey, United Kingdom (53°48′N4°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.[186] |
| USS Zellars | United States Navy | World War II: TheAllen 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. |
| Ship | State | Description |
|---|---|---|
| F 961 | Kriegsmarine | The Type DMarinefährprahm was sunk by Allied fighter-bombers nearFiume, Italy.[187] |
| Kasuga Maru | Imperial Japanese Navy | The auxiliarysubmarine chaser was sunk on this date. |
| Karlsruhe | Germany | World War II: The cargo ship was bombed and sunk bySovietDouglas A-20 Havoc aircraft off theHel Peninsula, Poland. 970 killed.[12][188] |
| Kosho Maru No. 2 Go | Imperial Japanese Navy | World War II: The auxiliaryguard boat was torpedoed and sunk in thePacific Ocean byUSS Parche ( United States Navy).[9] |
| Misago Maru No. 1 | Imperial Japanese Navy | World War II: The auxiliaryminesweeper was torpedoed and sunk in the Pacific Ocean off the Japanese coast byUSS Parche ( United States Navy).[9] |
| Ostland | Germany | World War II: The cargo ship struck a mine offAnholt, Denmark and was severely damaged. She put in toAarhus, Denmark. She was repaired post-war and entered Norwegian service in 1945 asFerngulf.[189] |
| T16 | Kriegsmarine | World War II: TheType 37 torpedo boat was bombed and sunk by Allied aircraft atFredrikshavn, Denmark.[190] |
| TA45 | Kriegsmarine | World War II: TheAriete-class torpedo boat was sunk in theAdriatic Sea byHMMTB 670 andHMMTB 697 (both Royal Navy).[9][191] |
| Ship | State | Description |
|---|---|---|
| Belgian Airman |  Belgium | World War II: The cargo ship wastorpedoed and sunk offChesapeake Bay,Maryland, United States (36°09′N74°05′W / 36.150°N 74.083°W /36.150; -74.083) byU-857 ( Kriegsmarine) with the loss of one of her 47 crew. Survivors were rescued byHarold A. Jordan (United States).[192] |
| CD-31 | Imperial Japanese Navy | World War II: Convoy MOSHI-02: TheType 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′N126°15′E / 33.417°N 126.250°E /33.417; 126.250), byUSS Tirante ( United States Navy). The vessel sank in shallow water and was only partially submerged. Thirty-nine crewmen were killed. 166 survivors were rescued by islanders, later picked up byCD-104 andAguni (both Imperial Japanese Navy).[193] |
| Goenoeng Telang | Japan | World War II: The fishing vessel was shelled and sunk in theIndian Ocean byHNLMS O 24 ( Royal Netherlands Navy).[9][194] |
| Juzan Maru | Imperial Japanese Navy | World War II: Convoy MOSHI-02: TheJuzan Maru-class auxiliary transport (3,943 GRT 1941) (a.k.a.Jusan Maru) was torpedoed and sunk in Hiyo Inlet, Saishu Island (33°25′N126°15′E / 33.417°N 126.250°E /33.417; 126.250), byUSS Tirante ( United States Navy). Thirty-three crewmen were killed. 166 survivors were rescued byCD-104 andAguni (both Imperial Japanese Navy).[9][195] |
| Kako Go | Japan | World War II: Thecoaster was torpedoed and sunk in theJava Sea byUSS Gabilan ( United States Navy).[9][196] |
| Nomi | Imperial Japanese Navy | World War II: Convoy MOSHI-02: TheMikura-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′N126°15′E / 33.417°N 126.250°E /33.417; 126.250), byUSS Tirante ( United States Navy). The vessel sank in shallow water and was only partially submerged. One hundred and thirty-four crewmen were killed including her captain. 87 survivors were rescued by islanders, later picked up byCD-104 andAguni (both Imperial Japanese Navy).[197] |
| R-126 | Kriegsmarine | World War II: TheType R-41 minesweeper was sunk in TheGreat Belt bymines.[160] |
| Shonan Maru No. 1 | Japan | World War II: The coaster was torpedoed and sunk in the Java Sea byUSS Gabilan ( United States Navy).[9] |
| TK-184 Morshanskiy Zheleznodorozhnik | Soviet Navy | The D-3-class motor torpedo boat was lost on this date. |
| U-235 | Kriegsmarine | World War II: TheType VIIC submarine was depth charged and sunk in theKattegat (57°44′N10°39′E / 57.733°N 10.650°E /57.733; 10.650 byT17 ( Kriegsmarine) with the loss of all 47 crew.[198] |
| U-1206 | Kriegsmarine | TheType VIIC submarine was lost in theNorth Sea (57°24′N1°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. |
| Ship | State | Description |
|---|---|---|
| CHa-151 | Imperial Japanese Navy | TheCHa-1-class auxiliary submarine chaser was wrecked in thePescadore Islands. |
| DB 06 Nanny | Kriegsmarine | Theguard ship was lost on this date. |
| HMS Ekins | Royal Navy | World War II: TheCaptain-classfrigate (1,432/1,823 t, 1943) was severely damaged by amine in theNorth Sea. Declared aconstructive total loss.[199] |
| M-368 | Kriegsmarine | World War II: TheM 1940-classminesweeper was sunk in a collision with aU-boat offSouthern Norway.[200] |
| Shincho Maru | Japan | World War II: The hulk of the Standard 1TMtanker was raised and resunk at the entrance toTakao Harbour,Formosa.[201] |
| Shonan Maru no. 1 Go | Imperial Japanese Navy | The auxiliary submarine chaser was sunk on this date. |
| U-103 | Kriegsmarine | World War II: The decommissionedType IXB submarine was bombed and sunk atKiel,Schleswig-Holstein in an air raid with the loss of one life. |
| U-285 | Kriegsmarine | World War II: TheType VIIC submarine was depth charged and sunk in theAtlantic Ocean south west of Ireland (50°13′N12°48′W / 50.217°N 12.800°W /50.217; -12.800) byHMS Grindall andHMS Keats (both Royal Navy) with the loss of all 44 crew.[202] |
| U-1063 | Kriegsmarine | World War II: TheType VIIC/41 submarine was depth charged and sunk in the Atlantic Ocean offLand's End,Cornwall, United Kingdom (50°08′54″N3°53′24″W / 50.14833°N 3.89000°W /50.14833; -3.89000) byHMS Loch Killin ( Royal Navy) with the loss of 29 of her 46 crew. |
| U-1235 | Kriegsmarine | World War II: TheType IXC/40 submarine was depth charged and sunk in the Atlantic Ocean byUSS Frost andUSS Stanton (both United States Navy) with the loss of all 57 crew. |
| Venus | Germany | World War II: Thetarget ship was sunk in an Allied air raid on Hamburg. She was refloated post-war, repaired, and returned to Norwegian service on 3 May 1948.[203] |
| Vs-58 | Kriegsmarine | World War II: TheVorpostenboot struck a mine and sank in theBaltic Sea north-east ofKiel,Schleswig-Holstein (54°32′N10°38′E / 54.533°N 10.633°E /54.533; 10.633).[204] |
| Ship | State | Description |
|---|---|---|
| Athelduke | United Kingdom | World War II:Convoy FS 1784: Thetanker (8,966 GRT, 1929) wastorpedoed and sunk in theNorth Sea east ofNewcastle upon Tyne (55°38′50″N1°30′30″W / 55.64722°N 1.50833°W /55.64722; -1.50833) byU-1274 ( Kriegsmarine) with the loss of one of her 47 crew.[9][205][206] |
| USS Bryant | United States Navy | World War II: TheFletcher-classdestroyer was severely damaged offOkinawa, Japan by akamikaze 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: TheType C escort ship was torpedoed and sunk in the Pacific Ocean off Japan (39°36′N142°05′E / 39.600°N 142.083°E /39.600; 142.083) byUSS Sunfish ( United States Navy).[207] |
| Cap Guir | Germany | World War II: The cargo ship was torpedoed and sunk by aSovietDouglas A-20 Havoc aircraft offÖland, Sweden with the loss of 756 lives.[9][12][208][209] |
| USS Concrete No. 12 | United States Navy | The 366-foot (112 m) B7-A1-class concrete-hulled oilbarge was scuttled at position 'Baker North' atIwo Jima as a breakwater for the Iwo Jima harbor project.[210] |
| HMCS Esquimalt | Royal Canadian Navy | World War II: TheBangor-class minesweeper (592/690 t, 1942) was torpedoed and sunk in the Atlantic Ocean offChebucto Head,Nova Scotia (at44°28′N63°10′W / 44.467°N 63.167°W /44.467; -63.167), byU-190 ( Kriegsmarine) with the loss of 44 of her 71 crew. She was the last Canadian warship sunk during the war.[211] |
| Gold Shell | United Kingdom | World War II: The tanker (8,208 GRT, 1931) was sunk in the North Sea by aKriegsmarineSeehund midget submarine.[9] Also reported as having struck amine and sank at51°21′09″N2°53′30″E / 51.35250°N 2.89167°E /51.35250; 2.89167).[212] |
| Goya | Kriegsmarine | World War II:Evacuation of East Prussia: The transport ship (5,230 GRT, 1942) was torpedoed and damaged in theBaltic Sea north ofHelaDanzig-West Prussia byL-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.[213] |
| Lützow | Kriegsmarine |  |
| Manryu Maru | Imperial Japanese Navy | World War II: The auxiliary transport was torpedoed and sunk in the Pacific Ocean off Japan (39°36′N142°05′E / 39.600°N 142.083°E /39.600; 142.083) byUSS Sunfish ( United States Navy). 41 crewmen were killed.[207][214] |
| Mercator | Germany | World War II: Thecargo ship was bombed and damaged atHela.[215] |
| Monarch | United Kingdom | World War II: The cable ship (1,150 GRT, 1916) was torpedoed and sunk in the North Sea offOrfordness,Suffolk (52°06′04″N1°50′19″E / 52.10111°N 1.83861°E /52.10111; 1.83861) byU-2324 ( Kriegsmarine) with the loss of three of her 71 crew.[9][216] |
| PiLB 554 | Kriegsmarine | World War II: The PiLB 41 type landing craft was sunk in the Baltic Sea, either bymines or by shelled Sovietmotor torpedo boats.[217] |
| USS Pringle | United States Navy | World War II: TheFletcher-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: TheType R-2 minesweeper was sunk in theAdriatic Sea by Royal Navy motor torpedo boats.[218] |
| StuBo-252 | Kriegsmarine | World War II: The StuBo 39 type landing craft was sunk in the Baltic Sea, either bymines or shelled by Sovietmotor torpedo boats. |
| Toko Maru | Japan | World War II: The cargo ship was torpedoed and sunk in the Pacific Ocean south ofHonshu byUSS Sea Dog ( United States Navy).[9] |
| U-78 | Kriegsmarine | World War II: TheType VIIC submarine was shelled and sunk atPillau,East Prussia by Red Army artillery.[219] |
| U-880 | Kriegsmarine | World War II: TheType IXC/40 submarine was depth charged and sunk in the Atlantic Ocean (47°18′N30°26′W / 47.300°N 30.433°W /47.300; -30.433) byUSS Frost andUSS Stanton (both United States Navy) with the loss of all 49 crew.[220][221] |
| U-1274 | Kriegsmarine | World War II: TheType VIIC/41 submarine was depth charged and sunk in the North Sea north ofNewcastle-upon-Tyne,Northumberland, United Kingdom (55°36′N1°24′W / 55.600°N 1.400°W /55.600; -1.400) byHMS Viceroy ( Royal Navy) with the loss of all 44 crew.[222] |
| Ship | State | Description |
|---|---|---|
| Boelke | Luftwaffe | World War II: TheKarl Meyer-classseaplane tender was bombed and sunk off theHel Peninsula by Soviet bombers. |
| HMS MTB 697 | Royal Navy | World War II: TheFairmile D motor torpedo boat (90/107 t, 1943) was sunk by amine in theAdriatic Sea.[223] |
| 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 theYangtze near where it empties into theEast China Sea on "Middle Ground" offShanghai, China (31°13′N121°52′E / 31.217°N 121.867°E /31.217; 121.867). Five troops and eighteen crewmen were killed.[224] |
| Tucuman | Germany | World War II: The cargo ship was bombed and sunk nearHamburg (54°21′N10°20′E / 54.350°N 10.333°E /54.350; 10.333) in an Allied air raid.[149] |
| V 1207 P. von Rensen | Kriegsmarine | World War II: TheVorpostenboot was sunk in theNorth Sea offHeligoland by Allied aircraft.[9] |
| Ship | State | Description |
|---|---|---|
| Cyrus H. McCormick | United States | World War II:Convoy HX 348: TheLiberty ship wastorpedoed and sunk in theAtlantic Ocean (48°05′N6°28′W / 48.083°N 6.467°W /48.083; -6.467) byU-1107 ( Kriegsmarine) with the loss of six of her 53 crew. Survivors were rescued byGothland (United Kingdom).[128][225] |
| Drache | Kriegsmarine | World War II: The artillerytraining ship was sunk atFischhausen,Eastern Prussia bySoviet aircraft.[9][12] |
| Empire Gold | United Kingdom | World War II:Convoy HX 348: Thetanker (8,028 GRT, 1941) was torpedoed and sunk in the Atlantic Ocean (47°47′N6°26′W / 47.783°N 6.433°W /47.783; -6.433) byU-1107 ( Kriegsmarine) with the loss of 43 of her 47 crew. Survivors were rescued byGothland (United Kingdom).Empire Gold was on a voyage fromPhiladelphia, Pennsylvania, United States toAntwerp, Belgium.[226][227] |
| Filleigh | United Kingdom | World War II:Convoy TAM 118: The cargo ship (4,856 GRT, 1928) was torpedoed and sunk in theEnglish Channel offDover,Kent (51°19′30″N1°42′00″E / 51.32500°N 1.70000°E /51.32500; 1.70000) byU-245 ( Kriegsmarine) with the loss of five of her 54 crew.[228][229][212] |
| I-56 | Imperial Japanese Navy | World War II: TheType B1 submarine was sunk in thePacific Ocean offOkinawa (26°42′N130°38′E / 26.700°N 130.633°E /26.700; 130.633) byUSS Collett, four other destroyers (all United States Navy) and United States Navy carrier-based aircraft.[230] |
| 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′N1°43′E / 51.450°N 1.717°E /51.450; 1.717) byU-245 ( Kriegsmarine with the loss of four of her 39 crew. Survivors were rescued byHMT Sir Lancelot ( Royal Navy).[228] |
| Pollux | Germany | World War II: The cargo ship was bombed and sunk by aircraft atHamburg, Germany. Raised 1945 and broken up inWales in 1947.[231] |
| SAT 5 Robert Müller 6 | Kriegsmarine | World War II: The heavy gun carrier/landing fire support ship was bombed and sunk at Fischhausen by SovietDouglas A-20 Havoc aircraft. 29 crew were killed.[9][12][209][232] |
| Swiftscout | United States | World War II: The tanker was torpedoed and sunk in the Atlantic Ocean 145 nautical miles (269 km) north east ofCape Henry,North Carolina (37°30′N73°03′W / 37.500°N 73.050°W /37.500; -73.050) byU-548,U-857 orU-879 (all Kriegsmarine) with the loss of one of her 47 crew. Survivors were rescued byChancellorsville (United States).[233][234] |
| Teizui Maru | Japan | World War II: The government charteredcargo liner was damaged by a mine at the west entrance of theShimoneseki Strait offYawata, Japan (34°05′N130°50′E / 34.083°N 130.833°E /34.083; 130.833) and was beached in a small bay atKamo-Shima, at the entrance to Yoshimi harbor,Yamaguchi Prefecture and abandoned.[235] |
| Ship | State | Description |
|---|---|---|
| Aquila | Kriegsmarine | World War II: The ex-Italian incompleteaircraft carrier was scuttled atGenoa. She was raised in 1946 and scrapped in 1952. |
| CHa-97 | Imperial Japanese Navy | World War II: TheCHa-1-class auxiliary submarine chaser was sunk in theKii Channel (33°32′N135°23′E / 33.533°N 135.383°E /33.533; 135.383) byUSS 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′N142°13′E / 42.367°N 142.217°E /42.367; 142.217) byUSS Sunfish ( United States Navy). 33 crewmen and two passengers were killed.[207][236] |
| Dammtor | Germany | World War II: The cargo ship was bombed and sunk by aircraft in theUnterelbe.[237] |
| Hagane Maru | Japan | World War II: The cargo ship wastorpedoed and sunk in thePacific Ocean south ofHonshu byUSS Sennet ( United States Navy).[9] |
| Isuzu Maru No. 3 | Imperial Japanese Navy | World War II: The auxiliaryguard boat was torpedoed and sunk in the Pacific Ocean south of Honshu byUSS Cero ( United States Navy). 23 crewmen were killed.[9][238] |
| Kaiho Maru | Imperial Japanese Navy | World War II: Convoy WA-201: The government Ministry of Agriculture and Forestry owned, IJN requisitionedKaiho Maru-class auxiliarygunboat, was torpedoed and sunk in thePacific Ocean offHokkaido (42°22′N142°16′E / 42.367°N 142.267°E /42.367; 142.267) byUSS Sunfish ( United States Navy). Five crewmen were killed.[207][236] |
| Kairyu Maru | Imperial Japanese Navy | World War II: The auxiliary gunboat was torpedoed and sunk in the Pacific Ocean south of Honshu byUSS Silversides ( United States Navy).[9] |
| Kaiyo Maru | Japan | World War II: Thecoaster was torpedoed and sunk in theYellow Sea byUSS Trutta ( United States Navy).[9] |
| Kinshu Maru | Japan | World War II: The boat was sunk in the Yellow Sea byUSS Trutta ( United States Navy).[9] |
| M-403 | Kriegsmarine | World War II: TheM-class minesweeper was bombed, strafed and sunk in theKattegat, south-east ofAnholt, Denmark by de Havilland Mosquito aircraft of 143, 235, 248 and 333 Squadrons, Royal Air Force.[9][239] |
| Mitsuyama Maru | Japan | World War II: The boat was sunk in the Yellow Sea byUSS Trutta ( United States Navy).[9] |
| Nygrunn | Norway | World War II: The coaster (65 GRT, 1943) either struck a mine, or was torpedoed and sunk in theSkaggerak offEgersund, Norway with the loss of seven crew.[179] |
| USS Tolman | United States Navy | TheRobert 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: TheType VIIC submarine was sunk in theKattegat (56°37′N11°51′E / 56.617°N 11.850°E /56.617; 11.850) by a rocket attack byde Havilland Mosquito aircraft of143,235 and248 Squadrons,Royal Air Force with the loss of 39 of her 43 crew.[240] |
| U-548 | Kriegsmarine | World War II: TheType IXC/40 submarine was depth charged and sunk in theAtlantic Ocean south east ofHalifax,Nova Scotia, Canada (36°34′N74°00′W / 36.567°N 74.000°W /36.567; -74.000) byUSS Buckley andUSS Reuben James (both United States Navy) with the loss of all 58 crew.[241] |
| Westmark | Kriegsmarine | World War II: Theminelayer was scuttled atLa Spezia,Liguria, Italy.[242] |
| Ship | State | Description |
|---|---|---|
| Altengamme | Germany | World War II: The cargo ship was sunk in theBaltic Sea offSaßnitz,Mecklenburg-Vorpommern bySoviet aircraft.[9][12] |
| Ana Divarica |  Kingdom of Yugoslavia (Partizans) | World War II: The barge was sunk in theSava River betweenBrcko andSremska Mitrovica by a mine.[243] |
| Ethel Crawford | United Kingdom | World War II: The trawler (200 GRT, 1919), a sold off Strath-class naval trawler, struck amine laid by U-218 ( Kriegsmarine) and sank in theFirth of Clyde (55°13′N5°14′W / 55.217°N 5.233°W /55.217; -5.233) with the loss of all ten crew.[244][245][246] |
| Kasja Miletic | Kingdom of Yugoslavia (Partizans) | World War II: The transport was sunk in theSava River betweenBrcko andSremska Mitrovica by a mine. She was carrying wounded, 203 died during the sinking and only 17 rescued.[243] |
| Königsburg | Germany | World War II: Thecoaster was sunk in the Baltic Sea offHela,Danzig-West Prussia by Soviet aircraft.[9][12] |
| V 215 | Kriegsmarine | World War II: TheVorpostenboot was sunk in the Baltic Sea off Hela by Soviet aircraft.[9][12] |
| Ship | State | Description |
|---|---|---|
| Ostmark | Kriegsmarine | World War II: The auxiliaryminelayer was bombed and sunk by British aircraft west ofAnholt, Denmark.[9][247] |
| U-636 | Kriegsmarine | World War II: TheType VIIC submarine was depth charged and sunk in theAtlantic Ocean west of Ireland (55°50′N10°31′W / 55.833°N 10.517°W /55.833; -10.517) byHMS Bazely,HMS Bentinck andHMS Drury (all Royal Navy) with the loss of all 42 crew.[248] |
| Ship | State | Description |
|---|---|---|
| USS PE-56 | United States Navy | World War II: TheEagle-class patrol craft wastorpedoed and sunk in theAtlantic Ocean 3 nautical miles (5.6 km) offCape Elizabeth, Maine (near43°33′N70°10′W / 43.550°N 70.167°W /43.550; -70.167), by the submarineU-853 ( Kriegsmarine) with the loss of 49 of her 62 crew. Survivors were rescued by thedestroyerUSS Selfridge ( United States Navy).[256] The wreck was located in 2019, at43°30′00.31″N070°05′58.16″W / 43.5000861°N 70.0994889°W /43.5000861; -70.0994889.[257][258] |
| Ingerseks | Germany | World War II: The cargo ship (4,970 GRT, 1913), which had run agrount the previous day, was bombed and damaged inRisenfjord, Norway byBristol Beaufighter aircraft of144,455 and489 Squadrons,Royal Air Force. She was declared a total loss.[9][259][260] |
| John Carver | United States | TheLiberty ship was sunk by the explosion of her fuel tanks whilst under repair atPhiladelphia, Pennsylvania. She was declared aconstructive total loss, raised and scrapped.[261] |
| Kruckau | Germany | World War II: The cargo ship was scuttled in theElbe, Germany.[262] |
| Riverton | United Kingdom | World War II:Convoy TBC 135: The cargo ship (7,345 GRT, 1943) was torpedoed and damaged in theBristol Channel offSt. Ives, Cornwall (50°25′N5°25′W / 50.417°N 5.417°W /50.417; -5.417) byU-1023 ( Kriegsmarine) with the loss of three of her 48 crew. She was beached inSt Ives Bay. Later repaired and returned to service.[263] |
| TR 106 | Kriegsmarine | World War II: The RD-class minesweeper was scuttled atGenoa. |
| U-183 | Kriegsmarine | World War II: TheType IXC/40 submarine was sunk by torpedo in theJava Sea (4°57′S112°52′E / 4.950°S 112.867°E /-4.950; 112.867) byUSS Besugo ( United States Navy) with the loss of 54 of her 55 crew. |
| UJ 2220 Lago Zuai | Kriegsmarine | World War II: Thesubmarine chaser was scuttled on this date. |
| UJ 2222 | Kriegsmarine | World War II: The submarine chaser, a formerGabbiano-classcorvette, was sunk off Genoa by United States NavyPT Boats.[264] |
| VAS 202 | Kriegsmarine | World War II: TheVAS 201-class submarine chaser was scuttled atLa Spezia,Liguria, Italy.[265] |
| Ship | State | Description |
|---|---|---|
| Alpino | Germany | World War II: TheSoldati-classdestroyer was scuttled atGenoa, Italy.[9] |
| Aoba | Imperial Japanese Navy | World War II: TheFurutaka-classcruiser was bombed and heavily damaged, settling on the shallow bottom atKure Naval Arsenal, by carrier aircraft of Task Force 38. Refloated and rerated as a floating anti-aircraft battery.[266] |
| USS Frederick C. Davis | United States Navy | World War II:Operation Teardrop: TheEdsall-classdestroyer escort wastorpedoed and sunk in theAtlantic Ocean (43°52′N40°15′W / 43.867°N 40.250°W /43.867; -40.250) byU-546 ( Kriegsmarine) with the loss of 115 of her 209 crew. |
| F 617 | Kriegsmarine | The Type C2Marinefährprahm was sunk on this date. |
| F 0770 | Kriegsmarine | TheMZ-B landing craft was sunk on this date. |
| F 819 | Kriegsmarine | The Type DM minelayingMarinefährprahm was sunk on this date. |
| F 831 | Kriegsmarine | The Type DMarinefährprahm was sunk on this date. Salvaged in 1946 and put in Italian service asMZ 831. |
| F 865 | Kriegsmarine | The Type DMarinefährprahm was sunk on this date. |
| F 890 | Kriegsmarine | The Type DM minelayingMarinefährprahm was sunk on this date. |
| F 2703 | Kriegsmarine | TheMZ-A landing craft was sunk on this date. |
| FR 24 | Germany | World War II: TheGuépard-class destroyer was scuttled at Genoa.[9][267] |
| FR 32 | Germany | World War II: TheBourrasque-class destroyer was scuttled at Genoa.[9] |
| FR 37 | Germany | World War II: TheLe Hardi-class destroyer was scuttled at Genoa.[268] |
| Ghibli | Germany | World War II: TheCiclone-classtorpedo boat was scuttled at Genoa.[9] |
| Huelva | Germany | World War II: The cargo ship was bombed and sunk bySovietDouglas A-20 Havoc aircraft 8 nautical miles (15 km) west ofLiepāja, Latvia.[9][12][269][209][270] |
| Kronos | Germany | World War II: The cargo ship struck amine and sank in theVestfjord, Norway.[271] |
| MAS 505,MAS 515 andMAS 558 |  Italian Social Republic Navy | World War II: TheMAS boats were scuttled atImperia,Liguria.[9] |
| MAS 525,MAS 550 andMAS 554 | Italian Social Republic Navy | World War II: The MAS boats were scuttled at Genoa.[9] |
| MAS 556 andMAS 557 | Italian Social Republic Navy | World War II: TheMAS 552-class MAS boats were scuttled at Imperia.[272] |
| MAS 561 | Italian Social Republic Navy | World War II: The MAS boat was torpedoed and damaged off Imperia byUSS PT-305 andUSS PT-307 (both United States Navy). She was consequently scuttled.[9] |
| Monmouth Coast | United Kingdom | World War II: Thecoaster (878 GRT, 1924) was torpedoed and sunk in theAtlantic Ocean 60 nautical miles (110 km) offSligo, Ireland byU-1305 ( Kriegsmarine) with the loss of sixteen of her seventeen crew.[273][274] |
| MS 24 | Italian Social Republic Navy | World War II: The torpedo boat was scuttled atLa Spezia, Liguria.[9] |
| MS 51 | Italian Social Republic Navy | World War II: The torpedo boat was scuttled at Genoa.[9] |
| Oldenburg | Kriegsmarine | World War II: The auxiliaryminelayer, a convertedSesia-class water tanker (with landing capabilities), was scuttled at Genoa. Raised, repaired and returned to Italian service as a water tanker in 1946.[242] |
| R 162,R 189,R 198 andR 199 | Kriegsmarine | World War II: Theminesweepers were scuttled at Genoa.[9] |
| R-212 | Kriegsmarine | World War II: TheType R-151 minesweeper was scuttled at Genoa.[275] |
| RA 253,RA 254,RA 258,RA 262, RA 264,RA 265,RA 266,RA 267, andRA 268 | Kriegsmarine | World War II: The minesweepers, formerVAS 231-classsubmarine chasers, were scuttled at Genoa.[9][276] |
| RD 101 | Kriegsmarine | World War II: The RD-class minesweeper was scuttled at Genoa. |
| RD 106,RD 107,RD 108,RD 109 andRD 110 | Germany | World War II: The incomplete minesweepers were scuttled at Genoa.[9] |
| RD 102 | Kriegsmarine | World War II: The incomplete RD-class minesweeper was scuttled at Genoa. Salvaged post war and put in Italian service asDV 111. |
| RD 103 | Kriegsmarine | World War II: The incomplete RD-class minesweeper was scuttled at Genoa. Salvaged post war and put in Italian service asDV 112. |
| RD 104 | Kriegsmarine | World War II: The incomplete RD-class minesweeper was scuttled at Genoa. Salvaged post war and put in Italian service asDV 114. |
| RD 105 | Kriegsmarine | World War II: The incomplete RD-class minesweeper was scuttled at Genoa. Salvaged post war and put in Italian service asDV 115. |
| RD 106,RD 107,RD 108,RD 109, andRD 110 | Germany | World War II: The incomplete RD-class minesweepers were scuttled at Genoa.[9] |
| RD 111,RD 112 andRD 113 | Kriegsmarine | World War II: The incomplete RD-class minesweepers were scuttled at Genoa. |
| S 509 andS 510 | Kriegsmarine | World War II: The MAS boats were scuttled at La Spezia.[9] |
| S 511 | Kriegsmarine | World War II: TheMAS 552-class MAS boat was scuttled at Imperia, Italy.[277] |
| SA 1 | Kriegsmarine | World War II: TheMS 11-classMS boat was scuttled at Genoa.[278] |
| SA 11 | Kriegsmarine | World War II: TheMAS 521-class MAS boat was scuttled at Imperia or Genoa, Italy.[277] |
| SA 12 andSA 13 | Kriegsmarine | World War II: TheMAS 526-class MAS boats were scuttled at Imperia, Italy.[279] |
| SA 14 | Kriegsmarine | World War II: TheMAS 552-class MAS boat was scuttled at Imperia, Italy.[272] |
| SA 15 | Kriegsmarine | World War II: TheMAS 552-class MAS boat was scuttled off Liguria, Italy.[272] |
| SA 16 | Kriegsmarine | World War II: TheMAS 552-class MAS boat was sunk off Imperia, Italy byUSS PT-305 andUSS PT-306 (both United States Navy).[272] |
| SA 17 | Kriegsmarine | World War II: TheMAS 424-class MAS boat was scuttled at Alta Tirreno.[280] |
| SA 18 | Kriegsmarine | World War II: TheMAS 423-class MAS boat was scuttled at Alta Tirreno.[281] |
| SA 19 | Italian Social Republic Navy or Kriegsmarine | World War II: TheMAS 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.[282] |
| SA 20 | Kriegsmarine | World War II: TheMAS 552-class MAS boat was scuttled at Monflacone, Italy.[272] |
| SA 21 | Kriegsmarine | World War II: TheMAS 526-class MAS boat was scuttled at Monflacone, Italy.[279] |
| SG 20 | Germany | World War II: Thecorvette, a formerGenerali-class destroyer, was scuttled at Genoa.[9] |
| TA31 | Kriegsmarine | World War II: The torpedo boat, a formerFreccia-class destroyer, was scuttled at Genoa.[283] |
| TA32 | Kriegsmarine | World War II: The torpedo boat, the formerYugoslav destroyer Dubrovnik, was scuttled at Genoa.[284] |
| TA34 | Germany | World War II: TheLe Hardi-class destroyer was scuttled at Genoa. Raised in 1946 and returned to France. She was not repaired and scrapped in 1958.[9][268] |
| Tübingen | Germany | World War II: The cargo ship was bombed and sunk in theKattegat byde Havilland Mosquito aircraft ofCoastal Command,Royal Air Force.[9][285][149] |
| U-108 | Kriegsmarine | End of World War II: The decommissionedType IXB submarine was scuttled atStettin,Pomerania.[286] |
| U-546 | Kriegsmarine | World War II:Operation Teardrop: TheType IXC/40 submarine was depth charged,hedgehogged and sunk in the Atlantic Ocean (43°53′N40°07′W / 43.883°N 40.117°W /43.883; -40.117 byUSS Chatelain,USS Flaherty,USS Hayter,USS Hubbard,USS Janssen,USS Keith,USS Neunzer,USS Pillsbury andUSS 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.[9] |
| UIT-3 | Kriegsmarine | World War II: The submarine was scuttled at Genoa.[9] |
| UJ 206 | Kriegsmarine | World War II: The submarine chaser, a formerGabbiano-classcorvette, was scuttled at Venice. Raised, repaired and put in Italian service asBombarda in 1951. |
| UJ 2221,UJ 2222,UJ 2224,UJ 2227, andUJ 6083 | Kriegsmarine | World War II: The submarine chasers, formerGabbiano-class corvettes, were scuttled at Genoa.[287] |
| UJ 2225 | Kriegsmarine | World War II: The incompleteApe-class submarine chaser, a formerGabbiano-class corvette, was scuttled at Ansaldo Shipyard, Genoa. |
| UJ 2226 | Kriegsmarine | World War II: TheApe-class submarine chaser, a formerGabbiano-class corvette, was scuttle at Monfalcone. |
| UJ 2228 | Kriegsmarine | World War II: The incompleteApe-class submarine chaser, a formerGabbiano-class corvette, was scuttled at CRDA Shipyard, Monfalcone. |
| UJ 6084 | Kriegsmarine | World War II: The incompleteApe-class submarine chaser, a formerGabbiano-class corvette, was scuttled at OTO Shipyard, Livorno. |
| UJ 6086 | Kriegsmarine | World War II: The incompleteApe-class submarine chaser, a formerGabbiano-class corvette, was scuttled at OTO Shipyard, Livorno. |
| VAS 238 | Kriegsmarine | World War II: TheVAS 231-class submarine chaser was scuttled at Genoa.[276] |
| VAS 252,VAS 253 andVAS 263 | Italian Social Republic Navy | World War II: The submarine chasers were scuttled at La Spezia.[9] |
| Ship | State | 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-AMarinefährprahm was sunk atLa Spezia, Italy by an air raid.[288] |
| F 846 | Kriegsmarine | The Type DMarinefahrprahm was sunk on this date. |
| F 873 | Kriegsmarine | World War II: The Type DMarinefahrprahm was sunk on this date, or on 9 May 1945 by Soviet aircraft.[12] |
| F 969 | Kriegsmarine | World War II: The Type DMarinefahrprahm was sunk incomplete at Monfalcone, Italy. |
| F 970 | Kriegsmarine | World War II: The Type DMarinefahrprahm was sunk incomplete at Monfalcone, Italy. |
| F 1156 | Kriegsmarine | The Type DMarinefahrprahm was sunk on this date. |
| G 202 Jadera | Kriegsmarine | The guard ship was lost on this date. |
| Graf Zeppelin | Kriegsmarine | World War II: The incompleteGraf Zeppelin-classaircraft carrier was scuttled atStettin,West Pomerania. She was raised and salvaged by theSoviet Union in 1947. |
| Iglesias | Germany | World War II: The cargo ship was scuttled atGenoa, Italy. She was later raised and salvaged.[289] |
| LAT 18 Heimatland | Kriegsmarine | The light gun carrier/landing fire support ship was sunk on this date. |
| R-162,R-198 andR-199 | Kriegsmarine | World War II: TheType R-151 minesweepers were scuttled at Genoa.[275] |
| RA 254,RA 258,RA 264,RA 260 | Kriegsmarine | World War II: TheVAS 301-classsubmarine chasers were scuttled at Genoa.[290] |
| 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: TheRo-100-classsubmarine was sunk in thePacific Ocean 165 nautical miles (306 km) south southwest of Okino-Daito Jima (21°58′N129°38′E / 21.967°N 129.633°E /21.967; 129.633) byUSS Horace A. Bass ( United States Navy).[291] |
| SG 20 | Kriegsmarine | World War II: The escort ship, a formerGenerali-classtorpedo boat, was scuttled atOneglia,Liguria, Italy as ablockship.[292] |
| SG 23 | Kriegsmarine | World War II: The escort ship was scuttled at Genoa.[293] |
| TA32 | Kriegsmarine | World War II: The radar picket destroyer/torpedo boat was scuttled at Genoa. |
| U-326 | Kriegsmarine | World War II: TheType VIIC/41 submarine was sunk by torpedo in theBay west ofBrest,Finistère, France (48°12′N5°42′W / 48.200°N 5.700°W /48.200; -5.700) by aConsolidated B-24 Liberator aircraft of theUnited States Navy with the loss of all 43 crew.[294] |
| UJ 2231 | Kriegsmarine | World War II: The submarine chaser, a formerÉlan-classcorvette, was scuttled at Genoa.[292] |
| VAS 252,VAS 253 andVAS 263 | Italian Social Republic Navy | World War II: TheVAS 301-class submarine chasers were scuttled at Genoa.[290] |
| Vs 343 | Kriegsmarine | World War II: The KSK-2-classnaval drifter/Vorpostenboot was scuttled. |
| W-41 | Imperial Japanese Navy | World War II: TheW-19-class minesweeper was torpedoed and sunk in theEast China Sea north ofKeelung,Formosa (26°10′N121°11′E / 26.167°N 121.183°E /26.167; 121.183) byUSS Cod ( United States Navy). There were 75 survivors, one was rescued by USSCod as aprisoner of war.[295] |
| Ship | State | 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 AMarinefahrprahm was sunk in theBaltic Sea by Soviet aircraft.[217] |
| Meshima Maru | Imperial Japanese Navy | The auxiliary minesweeper was lost on this date. |
| Slovenac | Yugoslavia (Partizans) | World War II: The steamer was sunk in theSava River betweenŠabac andSremska Mitrovica by a magnetic mine. Four crew were killed.[243] |
| TK-802 | Soviet Navy | The G-5-class motor torpedo boat was wrecked off Pillau.[217] |
| Toyotu Maru | United States | The cargo ship (or a ship of theToyotu Maru class), wasscuttled at position 'Dog North' atIwo Jima as abreakwater for the Iwo Jima harbor project.[296] |
| Unknown landing craft | Kriegsmarine | World War II: Two PiLB 41 type landing craft were sunk in the Baltic Sea offPillau by Soviet gunboats.[217] |
| Ursa | Germany | World War II: The cargo ship was scuttled atBremen. She was raised later in the year, repaired and entered Finnish service in 1947 asMargareta.<refJordan, Roger (1999).The world's merchant fleets, 1939. London: Chatham publishing. p. 455.ISBN 1-86176-023-X.</ref> |
| V1114 | Kriegsmarine | World War II: TheVorpostenboot was bombed and sunk in theGerman Bight by aircraft of theRoyal Air Force.[9] |
| Wa-6 | Imperial Japanese Navy | World War II: TheNo.1-class auxiliary minesweeper was shelled and sunk in theSunda Sea (04°50′S115°40′E / 4.833°S 115.667°E /-4.833; 115.667) byHMS Sleuth andHMS Solent (both Royal Navy).[9][297] |
| Ship | State | Description |
|---|---|---|
| Daishu Maru | Japan | World War II: The cargo ship, a converted Standard Type 2Atanker, (a.k.a.Taishu Maru), was sunk bytorpedo in thePacific Ocean east of Kamaishi,Honshu (39°12′N142°20′E / 39.200°N 142.333°E /39.200; 142.333) byUSS Cero ( United States Navy). Her captain and 29 crewmen were killed.[309] |
| F5 | Kriegsmarine | World War II: TheF-class escort ship struck amine en route fromCopenhagen, Denmark, toSwinemünde,Pomerania. Collided with a wreck while under tow and sank.[310] |
| I-44 | Imperial Japanese Navy | World War II: TheKaidai-class submarine was depth charged, torpedoed and sunk in the Pacific Ocean 220 nautical miles (410 km) south east of Okinawa (24°15′N131°16′E / 24.250°N 131.267°E /24.250; 131.267) by aGrumman TBF Avenger fromUSS Tulagi ( United States Navy).[311] |
| Otome Maru | Imperial Japanese Navy | World War II: Theguard ship was torpedoed and sunk byUSS Besugo ( United States Navy) north of Matashiri Island.[312] |
| Petropolis | Germany | World War II: The cargo ship was bombed by aircraft atHamburg, Germany. Beached atJuelsand in May 1945. Broken upin situ in 1946.[313] |
| Quito | Kriegsmarine | World War II: Thesubmarine tender/supply ship (a.k.a.Teiju Maru andKito Go) was torpedoed and sunk in theJava Sea offTanjung PutingBorneo (04°11′S111°17′E / 4.183°S 111.283°E /-4.183; 111.283) byUSS Bream ( United States Navy).[314] |
| Ro-46 | Imperial Japanese Navy | World War II: TheKaidai-class submarine was sunk in thePacific Ocean 220 nautical miles (410 km) southeast of Okinawa (24°15′N131°16′E / 24.250°N 131.267°E /24.250; 131.267) by aircraft fromUSS Tulagi ( United States Navy). Lost with all 86 hands.[315] |
| HMS Sheldrake | Royal Navy | World War II: TheKingfisher-class sloop was damaged/sunk in theNorth Sea by a KriegsmarineSeehund midget submarine.[9] |
| Takasago Maru | Japan | World War II: The tanker was torpedoed and sunk in theGulf of Siam byHMS Tradewind ( Royal Navy).[9] |
| Teisho Maru | Imperial Japanese Navy | World War II: The auxiliary naval vessel was torpedoed and sunk in the Java Sea byUSS Gabilan ( United States Navy).[9] |
| U-286 | Kriegsmarine | World War II: TheType VIIC submarine was depth charged and sunk in theBarents Sea (69°29′N33°37′E / 69.483°N 33.617°E /69.483; 33.617) byHMS Anguilla,HMS Cotton andHMS Loch Insh (all Royal Navy) with the loss of all 51 crew.[316] |
| U-307 | Kriegsmarine | World War II: TheType VIIC submarine was depth charged and sunk in the Barents Sea (69°24′N33°44′E / 69.400°N 33.733°E /69.400; 33.733) byHMS Loch Insch ( Royal Navy) with the loss of 37 of her 51 crew.[317] |
| U-1017 | Kriegsmarine | World War II: TheType VIIC/41 submarine was depth charged and sunk in theAtlantic Ocean north west of Ireland (56°04′N11°06′W / 56.067°N 11.100°W /56.067; -11.100) by aConsolidated B-24 Liberator aircraft of120 Squadron,Royal Air Force with the loss of all hands (34 known dead).[318] |
| Ship | State | Description |
|---|---|---|
| HMS Goodall | Royal Navy | World War II:Convoy RA 66: TheCaptain-class frigate (1,192/1,436 t, 1943) was scuttled by gunfire from the frigateHMS Anguilla ( Royal Navy) in theBarents Sea. HMSGoodall had been torpedoed and severely damaged byU-286 ( Kriegsmarine) with the loss of 112 of her 156 crew on 29 April 1945.[319][320] |
| Kunikawa Maru | Imperial Japanese Navy | World War II: Thetransport ship was bombed and sunk in theIndian Ocean (1°15′S116°50′E / 1.250°S 116.833°E /-1.250; 116.833) byUnited States Army Air Force aircraft.[321] |
| M 455 | Kriegsmarine | World War II: Theminesweeper was sunk in a British air raid onCuxhaven,Schleswig-Holstein.[9] |
| Miho Maru | Japan | World War II: Convoy MOSI-05: The cargo ship was torpedoed and sunk in theYellow Sea byUSS Trepang ( United States Navy).[9][322] |
| Nuwajima | Imperial Japanese Navy | World War II: TheHirashima-classminelayer (a.k.a.Nuwashima) was bombed and damaged byBoeing B-29 Superfortress aircraft of the 314th Bomb Group. Her stern was hit and blown off and she was beached on Onyu Shima (32°56′N131°05′E / 32.933°N 131.083°E /32.933; 131.083). Fourteen crewmen were killed. Scrapped post-war.[323] |
| RD 127 | Kriegsmarine | World War II: The RD-class minesweeper was demolished by her crew at Monfalcone. |
| RD 128 | Kriegsmarine | World War II: The incomplete RD-class minesweeper was demolished at Celli shipyard, Venice. |
| RD 129 | Kriegsmarine | World War II: The incomplete RD-class minesweeper was demolished at Celli shipyard, Venice. |
| RD 130 | Kriegsmarine | World War II: The incomplete RD-class minesweeper was demolished at Celli shipyard, Venice. |
| TA43 | Kriegsmarine | World War II: TheBeograd-classdestroyer was sunk by Yugoslav artillery, or scuttled, atTrieste, Italy. |
| U-879 | Kriegsmarine | World War II: TheType IXC/40 submarine was depth charged and sunk in theAtlantic Ocean east ofCape Hatteras,North Carolina, United States (36°34′N74°00′W / 36.567°N 74.000°W /36.567; -74.000) byUSS Bostwick,USS Coffman,USS Natchez, andUSS Thomas (all United States Navy) with the loss of all 52 crew.[324] |
| U-1107 | Kriegsmarine | World War II: TheType VIIC/41 submarine was bombed and sunk in theBay of Biscay west ofBrest,Finistère, France (48°00′N6°30′W / 48.000°N 6.500°W /48.000; -6.500) by aUnited States NavyConsolidated PBY Catalina aircraft of Squadron VP-63 with the loss of 37 crew.[325] |
| U-3525 | Kriegsmarine | World War II: TheType XXI submarine was bombed and damaged in the westernBaltic Sea. She was consequently scuttled atKiel,Schleswig-Holstein on 3 May.[326] |
| Yuna Maru | Japan | World War II: Thetanker struck amine and sank in theGulf of Siam offLinga,Malaya.[9] |
| Yuno Maru | Imperial Japanese Army | World War II: Thetanker struck amine and sank in theBerhala Strait,Sumatra (00°58′S104°31′E / 0.967°S 104.517°E /-0.967; 104.517). A badly burned Japanese sailor, probably fromYuno Maru, was rescued byUSS Besugo ( United States Navy).[327] |
| Ship | State | Description |
|---|---|---|
| Adler | Kriegsmarine | World War II: Thetraining ship was sunk by Allied bombers atKiel.[328] |
| CHa-199 | Imperial Japanese Navy | World War II: TheCHa-1-class auxiliary submarine chaser was sunk off Matsure Light, Japan by amine sometime in April. |
| Chetvertyi Krabalov | United States | The cargo ship was scuttled at position 'Charlie North' atIwo Jima as a breakwater for the Iwo Jima harbor project sometime between 8 April and 28 April.[329] |
| Detlef | Germany | World War II: The cargo ship was sunk at Kiel during and Allied air raid. The wreck was raised in 1948 and scrapped.[330] |
| F 170 | Kriegsmarine | TheSperrbrecher, a converted Type AMarinefährprahm, was sunk sometime in April. |
| F 258AM | Kriegsmarine | The Type AM minelayingMarinefährprahm was sunk sometime in April. |
| F 266AM | Kriegsmarine | The Type AM minelayingMarinefährprahm was sunk sometime in April. |
| F 873 | Kriegsmarine | World War II: The Type DMarinefahrprahm was sunk by SovietDouglas A-20 Havoc aircraft on theRenoy River on 9 May, or on 25 April 1945 by Soviet aircraft.[12] |
| Hanna Cords | Germany | World War II: Thecargo ship was scuttled as ablockship atStettin.[151] |
| Hummel | Germany | The cargo ship was wrecked atStettin,Pomerania. Wreck scuttled in 1947.[331] |
| Kibitsu Maru | Imperial Japanese Army | World War II: TheKibitsu Maru-classdepot ship sprang a major leak nearKobe and was beached to prevent sinking sometime in April. Refloated in April and was under repair from April–July before returning to service.[332] |
| LAT 30 Prinses Beatrix | Kriegsmarine | World War II: The light gun carrier/landing fire support ship was sunk on 14 April, or sunk on 8 May by Soviet aircraft in the Baltic Sea.[12] |
| HMS LCA 1346 | Royal Navy | Thelanding craft assault reported lost in the Mediterranean Sea during April.[130] |
| HMS LCM 1319 andHMS LCM 1327 | Royal Navy | Thelanding craft mechanized were lost off the Arakan Coast, Burma sometime in April.[130] |
| M 455 | Kriegsmarine | World War II: TheType 1940 minesweeper was bombed and sunk sometime in April in an air raid. Raised and repaired post war.[333] |
| Mario Ruta |  Italian Social Republic | World War II: Thecargo liner was scuttled atTrieste. Wreck scrapped in 1946.[334] |
| HMS MGB 99 | Royal Navy | TheVTB-11-class motor gun boat was lost sometime in April.[335] |
| Nymphe | Kriegsmarine | World War II: TheType 1915 minesweeper was scuttled sometime in April. |
| PiLB 43/II | Kriegsmarine | World War II: The PiLB 43 type landing craft was sunk by Soviet bombers sometime in April.[12] |
| R-224 | Kriegsmarine | World War II: TheType R-218 minesweeper was sunk atSwinemünde, Pomerania bySoviet aircraft sometime in April.[12][13] |
| RD 135 | Kriegsmarine | World War II: The incomplete RD-class minesweeper was scuttled at OTO shipyard, Leghorn in late April. |
| RD 136 | Kriegsmarine | World War II: The incomplete RD-class minesweeper was scuttled at Picchiotti shipyard, Limite Sal Arno in late April. |
| RD 140 | Kriegsmarine | World War II: The incomplete RD-class minesweeper was scuttled at Picchiotti shipyard, Limite Sal Arno in late April. |
| RD 147 | Kriegsmarine | World War II: The incomplete RD-class minesweeper was scuttled at Castaguta shipyard, Genoa in late April. |
| RA 261 | Kriegsmarine | World War II: TheVAS 231-classsubmarine chaser was scuttled atLa Spezia,Liguria, Italy sometime in April.[276] |
| SA 2 andSA 3 | Kriegsmarine | World War II: TheMS 11-classMS boats were scuttled at La Spezia sometime in April.[278] |
| SA 4 | Kriegsmarine | World War II: TheMS 51-classMS boat was scuttled at La Spezia sometime in April.[336] |
| USS Snook | United States Navy | TheGato-class submarine was lost in theSouth China Sea between 8 and 20 April, cause unknown.[337] |
| U-246 | Kriegsmarine | World War II: TheType VIIC submarine was lost on patrol in theIrish Sea south of theIsle of Man with the loss of all 48 crew.[338] |
| U-325 | Kriegsmarine | World War II: TheType VIIC/41 submarine was lost on patrol on or after 7 April with the loss of all hands, apparently after striking amine. Her wreck was discovered in theEnglish Channel at49°48′17″N5°12′23″W / 49.804717°N 5.206383°W /49.804717; -5.206383 in 2006. |
| U-396 | Kriegsmarine | TheType VIIC submarine was lost on patrol after 11 April with the loss of all 45 crew due to a problem with her hydroplanes.[9][339] |
| U-398 | Kriegsmarine | World War II: TheType VIIC submarine was lost on patrol in the Atlantic Ocean orArctic Sea on or after 17 April with the loss of all 43 crew.[340] |
| U-548 | Kriegsmarine | World War II: TheType IX submarine was depth charged and sunk in theAtlantic Ocean offCape Henry,Virginia, United States (36°34′N74°00′W / 36.567°N 74.000°W /36.567; -74.000) byUSS Bostwick,USS Coffman,USS Natchez andUSS Thomas (DE-102) (all United States Navy).[341][342] Various dates are given by different sources; 19, 29 and 30 April. |
| U-857 | Kriegsmarine | World War II: TheType IXC/40 submarine was lost on patrol in the Atlantic Ocean off the east coast of the United States after 14 April with the loss of all 59 crew. Cause unknown.[343] |
| U-1055 | Kriegsmarine | World War II: TheType VIIC submarine was lost on patrol in the Atlantic Ocean orEnglish Channel after 23 April with the loss of all 49 crew. Cause unknown.[9][344] |
| VAS 203 andVAS 225 | Kriegsmarine | World War II: TheVAS 201-classsubmarine chasers were scuttled atAlto Tirino,Abruzzo.[265] |
