# List of shipwrecks in April 1944

The list of shipwrecks in April 1944 includes ships sunk, foundered, grounded, or otherwise lost during April 1944.

## 1 April

List of shipwrecks: 1 April 1944 :
| Ship | State | Description |
| Dahomian | United Kingdom | World War II: The cargo ship (5,277 GRT, 1929) was torpedoed and sunk in the South Atlantic 10 nautical miles (19 km) west south west of Cape Point, South Africa (34°25′S 18°19′E﻿ / ﻿34.417°S 18.317°E﻿ / -34.417; 18.317) by U-852 ( Kriegsmarine) with the loss of two of her 51 crew. Survivors were rescued by HMSAS Krugersdorp and HMSAS Natalia (both South African Navy). |
| Jared Ingersoll | United States | World War II: Convoy UGS 36: The Liberty ship was torpedoed and damaged in the Mediterranean Sea west of Algiers, Algeria by Luftwaffe aircraft. She was abandoned by her crew, who were rescued by USS Mills ( United States Navy). USS Mills and the tug HMS Mindfull ( Royal Navy) towed the ship to Algiers where she was beached. Later repaired and returned to service. |
| Mantai | Japan | World War II: The coaster was sunk by gunfire and demolition charges in the Strait of Malacca by HMS Truculent ( Royal Navy). |
| Minami Maru | Japan | World War II: The cargo ship was torpedoed and sunk in the Pacific Ocean (25°59′N 131°19′E﻿ / ﻿25.983°N 131.317°E﻿ / 25.983; 131.317) by USS Flying Fish ( United States Navy). |
| UJ 2127 Theodoros | Kriegsmarine | World War II: The auxiliary submarine chaser was bombed and sunk off Kalamata, Greece (37°01′N 22°05′E﻿ / ﻿37.017°N 22.083°E﻿ / 37.017; 22.083) by British aircraft with the loss of four lives. |

## 2 April

List of shipwrecks: 2 April 1944 :
| Ship | State | Description |
| Akebono Maru No. 3 | Japan | World War II: The transport ship was sunk in an air raid on Truk by Consolidated B-24 Liberator and North American B-25 Mitchell aircraft of the United States Seventh Air Force. |
| Kejserinde Dagmar | Denmark | World War II: The cargo ship struck a mine and sank in the Ems. She was on a voyage from Copenhagen to Bremen, Germany. |
| HMS LCA(HR) 672 | Royal Navy | The landing craft assault (8.5/11.5 t, 1943) foundered during an exercise off Great Britain. |
| HMS LCA(HR) 811 | Royal Navy | The landing craft assault (8.5/11.5 t, 1943) foundered during an exercise off Great Britain. |
| Tarakan Maru | Japan | World War II: Convoy HI-55: The tanker was torpedoed and damaged by USS Hake ( United States Navy) at (01°58′N 106°20′E﻿ / ﻿1.967°N 106.333°E﻿ / 1.967; 106.333). She was torpedoed again an hour later and her forward section, forward of the engine room, broke off and sinks. She proceeded slowly to Singapore. |
| U-360 | Kriegsmarine | World War II: The Type VIIC submarine was depth charged and sunk in the Norwegian Sea south west of Bear Island, Norway (72°28′N 13°04′E﻿ / ﻿72.467°N 13.067°E﻿ / 72.467; 13.067) by HMS Keppel ( Royal Navy) with the loss of all 51 crew. |

## 3 April

List of shipwrecks: 3 April 1944 :
| Ship | State | Description |
| Fagerstrand I | Germany | World War II: The factory ship (191 GRT, 1923) was set on fire and severely damaged in Kåfjord following an Allied attack on Tirpitz ( Kriegsmarine). The wreck was laid up, and scuttled in October 1944 by German forces. Raised in 1947, extended and returned to service in 1950 as Sande. |
| I-O-78 | Kriegsmarine | The Siebelgefäß landing craft was sunk on this date. |
| PiLB 425 | Kriegsmarine | The PiLB 40 type landing craft was lost on this date. |
| StuBo 1033 | Kriegsmarine | The StuBo42 type landing craft/motor launch was sunk on this date. |
| Suiten Maru | Imperial Japanese Navy | The auxiliary guard boat was lost on this date. |
| Tosei Maru | Japan | World War II: Convoy Higashi-Matsu ("East Pine") No. 4: The cargo liner was torpedoed and sunk in the Pacific Ocean off the Nanpō Islands (30°14′N 139°45′E﻿ / ﻿30.233°N 139.750°E﻿ / 30.233; 139.750) by USS Pollack ( United States Navy). One passenger died. |
| U-288 | Kriegsmarine | World War II: The Type VIIC submarine was depth charged and sunk in the Barents Sea (73°44′N 27°12′E﻿ / ﻿73.733°N 27.200°E﻿ / 73.733; 27.200) by Fairey Swordfish aircraft of 819 Squadron, Fleet Air Arm, based on HMS Activity and Grumman TBM Avenger and Grumman F4F Wildcat aircraft of 846 Squadron, Fleet Air Arm based on HMS Tracker (both Royal Navy) with the loss of all 49 crew. |

## 4 April

List of shipwrecks: 4 April 1944 :
| Ship | State | Description |
| Choun Maru | Imperial Japanese Army | World War II: The transport was sunk in an air raid on Rabaul, New Guinea by Consolidated B-24 Liberator and North American B-25 Mitchell aircraft of the United States Thirteenth Air Force. |
| I-169 | Imperial Japanese Navy | World War II: The Kaidai-class submarine was sunk in a diving accident north-west of Dublon Island, Truk, during an air raid by Consolidated PBY-4 Liberator aircraft. All aboard died. 32 bodies were recovered in the following weeks. |
| Iwakuni Maru | Imperial Japanese Army | World War II: The transport was sunk in an air raid on Rabaul by Consolidated B-25 Liberator and North American B-25 Mitchell aircraft of the United States Thirteenth Air Force. 32 crew members were killed. |
| I-O-10 | Kriegsmarine | The Siebelgefäß landing craft was sunk on this date. |
| Sperrbrecher 157 | Kriegsmarine | World War II: The Sperrbrecher struck a mine and was severely damaged off Brest, Finistère, France. |

## 5 April

List of shipwrecks: 5 April 1944 :
| Ship | State | Description |
| CHa-46 | Imperial Japanese Navy | World War II: The CHa-1-class auxiliary submarine chaser was sunk at Wake Island by Consolidated B-24 Liberator aircraft of VB-109, United States Navy. |
| R-261 | Kriegsmarine | World War II: The Type R-218 minesweeper was sunk off Boulogne, Pas-de-Calais, France by Allied aircraft. |
| Tenryu Maru | Imperial Japanese Army | World War II: The transport was sunk in an air raid on Rabaul by Consolidated B-25 Liberator and North American B-25 Mitchell aircraft of the United States Thirteenth Air Force with the loss of 28 lives. |
| UJ 6070 Cetonia | Kriegsmarine | The armed yacht/submarine chaser was lost on this date. |
| USS YT-247 | United States Navy | The harbor tug was swamped and foundered 425 nautical miles (787 km) south west of Oahu, Hawaii (14°14′N 158°59′E﻿ / ﻿14.233°N 158.983°E﻿ / 14.233; 158.983) while under tow from Pearl Harbor to Palmyra Island. |

## 6 April

List of shipwrecks: 6 April 1944 :
| Ship | State | Description |
| F 450 | Kriegsmarine | The Type C2 Marinefährprahm was sunk on this date. |
| F 519 | Kriegsmarine | World War II: The Type B Marinefährprahm was heavily damaged by Allied fighter-bombers off Piombino and grounded. One crew was killed and four wounded. The wreck was then sunk in Piombino by another air attack either on 7 or 19 April. |
| Hsing Yun Maru | Japan | World War II: The transport ship struck a mine and sank in the Yangtze-kiang. |
| HMS LCP(S) 9 | Royal Navy | The landing craft personnel (small) (3/5.5 t, 1943) was wrecked at Weymouth, England. |
| R-192 | Kriegsmarine | World War II: The Type R-151 minesweeper was sunk in the Tyrrhenian Sea off Cecina, Tuscany, Italy during a battle with Royal Navy motor torpedo boats. |
| Ruth I | Norway | World War II: Convoy SC 156: The cargo ship (3,531 GRT, 1900) was torpedoed and sunk in the Atlantic Ocean (45°05′N 35°11′W﻿ / ﻿45.083°N 35.183°W﻿ / 45.083; -35.183) by U-302 ( Kriegsmarine) with the loss of three of her 39 crew. Survivors were rescued by HMS Chelmer ( Royal Navy). |
| South America | Norway | World War II: Convoy SC 156: The tanker (6,246 GRT, 1931) was torpedoed and sunk in the Atlantic Ocean (45°04′N 35°22′W﻿ / ﻿45.067°N 35.367°W﻿ / 45.067; -35.367) by U-302 ( Kriegsmarine). All 42 crew were rescued by Goodwin ( United Kingdom). |
| U-302 | Kriegsmarine | World War II: The Type VIIC submarine was depth charged and sunk in the Atlantic Ocean (45°05′N 35°11′W﻿ / ﻿45.083°N 35.183°W﻿ / 45.083; -35.183) by HMS Swale ( Royal Navy) with the loss of all 51 crew. |
| U-455 | Kriegsmarine | World War II: The Type VIIC submarine struck a mine and sank in the Ligurian Sea off Portofino, Genoa, Italy with the loss of all 51 crew. |
| Wesergau | Germany | World War II: The cargo ship was torpedoed and sunk in the Norwegian Sea off Stad, Norway by Ula ( Royal Norwegian Navy). |

## 7 April

List of shipwrecks: 7 April 1944 :
| Ship | State | Description |
| Asien | Germany | World War II: The cargo ship was torpedoed and sunk in the North Sea off Lista, Norway (58°08′N 06°32′E﻿ / ﻿58.133°N 6.533°E﻿ / 58.133; 6.533) by HMS Unshaken ( Royal Navy). All her crew were saved by an escort ship. |
| I-2 | Imperial Japanese Navy | World War II: The Type J1 submarine was depth charged and sunk in the Bismarck Sea 50 nautical miles (93 km) west north west of New Hanover, off Emirau Island (02°17′S 149°14′E﻿ / ﻿2.283°S 149.233°E﻿ / -2.283; 149.233) by USS Saufley ( United States Navy). Lost with all 111 hands. |
| Rion | Soviet Union | World War II: The barge struck a mine and sank in the Black Sea (42°11′N 41°38′E﻿ / ﻿42.183°N 41.633°E﻿ / 42.183; 41.633). |
| U-856 | Kriegsmarine | World War II: The Type IX submarine was depth charged, shelled, rammed and sunk in the Atlantic Ocean (40°18′N 62°22′W﻿ / ﻿40.300°N 62.367°W﻿ / 40.300; -62.367) by USS Champlin and USS Huse (both United States Navy) with the loss of 27 of her 55 crew. |

## 8 April

List of shipwrecks: 8 April 1944 :
| Ship | State | Description |
| Aratama Maru | Imperial Japanese Navy | World War II: The Aratama Maru-class ammunition ship was torpedoed in the Pacific Ocean 7 nautical miles (13 km) east of Guam (13°16′N 145°11′E﻿ / ﻿13.267°N 145.183°E﻿ / 13.267; 145.183) by USS Seahorse ( United States Navy). Her cargo of gasoline exploded damaging Asakaze ( Imperial Japanese Navy). She drifted on fire for three days before coming to rest on a reef, and sinking partially submerged in shallow water, in Talafofo Bay on 11 April. Four crewmen were killed. She eventually sank completely post-war after damage from many typhoons over a number of years. |
| Enco | Italy | World War II: The cargo ship was sunk at Venice during an Allied air raid. |
| Nebraska | United Kingdom | World War II: The cargo ship (8,261 GRT, 1920) was torpedoed and sunk in the South Atlantic (11°55′S 19°52′W﻿ / ﻿11.917°S 19.867°W﻿ / -11.917; -19.867) by U-843 ( Kriegsmarine) with the loss of two of the 68 people on board. Survivors were rescued by Kindat ( United Kingdom) or reached land in their lifeboat. |
| U-2 | Kriegsmarine | The Type IIA submarine collided with the trawler Helmi Söhle ( Germany) in the Baltic Sea near Pillau, East Prussia and sank with the loss of seventeen of her 35 crew. |
| U-962 | Kriegsmarine | World War II: The Type VIIC submarine was depth charged and sunk in the Atlantic Ocean north west of Cape Finisterre, Spain (45°43′N 19°57′W﻿ / ﻿45.717°N 19.950°W﻿ / 45.717; -19.950) by HMS Crane and HMS Cygnet (both Royal Navy) with the loss of all 50 crew. |
| V 622 Almuth | Kriegsmarine | World War II: The Vorpostenboot struck a mine and sank off Saint-Nazaire, Loire-Inférieure. |

## 9 April

List of shipwrecks: 9 April 1944 :
| Ship | State | Description |
| F 552 | Kriegsmarine | The Type C2 Marinefährprahm was sunk on this date. |
| Hokurei Maru | Japan | World War II: The cargo ship struck a mine and sank in the South China Sea south of Hainan, China. |
| Honan Maru | Japan | World War II: The Type 1K Standard Merchant-class ore carrier was torpedoed and sunk in the East China Sea (33°50′N 128°01′E﻿ / ﻿33.833°N 128.017°E﻿ / 33.833; 128.017) by USS Whale ( United States Navy) with all crew. |
| HMS LCP(S) 1026 | Royal Navy | World War II: The landing craft personnel (small) was wrecked at Weymouth, England. |
| Mimasaka Maru | Japan | World War II: Convoy Higashi-Matsu ("East Pine") No. 4: The cargo ship was torpedoed and damaged in the Pacific Ocean off the Mariana Islands (15°30′N 145°00′E﻿ / ﻿15.500°N 145.000°E﻿ / 15.500; 145.000) by USS Seahorse ( United States Navy). She sank the next day. Seven troops and eleven crewmen were killed. |
| PiLB 510 | Kriegsmarine | The PiLB 41 type landing craft was lost on this date. |
| USS SC-497 | United States Navy | The SC-497-class submarine chaser grounded on Cook's Reef, off Mai Island, New Hebrides, and sank the next day. |
| TKA-212 | Soviet Navy | World War II: The A-2 (Higgins 78')-class motor torpedo boat was shelled and sunk by UJ-1219 ( Kriegsmarine) in the Barents Sea during an attack on a German convoy. Two crewmen were made prisoners of war and 11 were killed. |
| U-515 | Kriegsmarine | U-515World War II: The Type IXC submarine was depth charged and damaged in the Atlantic Ocean by USS Chatelain, USS Flaherty, USS Pillsbury and USS Pope (all United States Navy). She surfaced, and was then bombed, shelled and sunk by the four destroyers and by Grumman TBF Avenger and Grumman F4F Wildcat aircraft based on USS Guadalcanal ( United States Navy) with the loss of sixteen of her 60 crew. |

## 10 April

List of shipwrecks: 10 April 1944 :
| Ship | State | Description |
| M-459 | Kriegsmarine | World War II: The minesweeper was bombed by Soviet aircraft and sunk in the Baltic Sea off Aseri, Estonia (59°30′N 27°05.09′E﻿ / ﻿59.500°N 27.08483°E﻿ / 59.500; 27.08483). |
| Oldham | United States | World War II: Convoy SC 156: The cargo ship suffered a broken propeller shaft and was abandoned by her 51 crew. They were rescued by Goodwin ( United Kingdom). Oldham was towed to St. John's, Newfoundland. |
| Sperrbrecher 193 Albrecht Durer | Kriegsmarine | World War II: The river Sperrbrecher was bombed by Soviet aircraft in the Black Sea and had to be run aground north of Sulina. She was then abandoned. |
| U-68 | Kriegsmarine | World War II: The Type IXC submarine was sunk in the Atlantic Ocean (33°24′N 18°59′W﻿ / ﻿33.400°N 18.983°W﻿ / 33.400; -18.983) by Grumman TBF Avenger and Grumman F4F Wildcat aircraft based on USS Guadalcanal ( United States Navy) with the loss of 56 of her 57 crew. |

## 11 April

List of shipwrecks: 11 April 1944 :
| Ship | State | Description |
| AF 24 | Kriegsmarine | World War II: The Type A Artilleriefährprahm was sunk at Stettin, Pomerania during an American air raid. |
| Akigumo | Imperial Japanese Navy | World War II: The Kagerō-class destroyer was torpedoed and sunk in the Moro Gulf 30 nautical miles (56 km) south east of Zamboanga (6°43′N 122°23′E﻿ / ﻿6.717°N 122.383°E﻿ / 6.717; 122.383) by USS Redfin ( United States Navy). One hundred and thirty-seven people were killed, including her commanding officer. |
| Emily | Denmark | World War II: The cargo ship was sunk at Stettin during an American air raid. |
| F 300 | Kriegsmarine | World War II: The Type B Marinefährprahm was sunk at Stettin during an American air raid. |
| F 389 | Kriegsmarine | World War II: The Marinefährprahm was sunk at Stettin during an American air raid. |
| USS Holder | United States Navy | World War II: The Edsall-class destroyer escort was torpedoed and damaged in the Mediterranean Sea off Algiers, Algeria by Luftwaffe aircraft. Her crew lost 17 killed and 12 wounded. She was towed to Oran and then to New York, where she was condemned. A 95-foot (29 m) section of her stern was used to repair USS Menges ( United States Navy). |
| M 6022 Enseigne | Kriegsmarine | World War II: The minesweeper was torpedoed and sunk in the Mediterranean Sea (43°22′N 07°00′E﻿ / ﻿43.367°N 7.000°E﻿ / 43.367; 7.000) by HMS Untiring ( Royal Navy). 14 crew members were killed and 3 of the 12 survivors were wounded. |
| Mars | Kriegsmarine | World War II: The artillery training ship was bombed and destroyed by fire at Stettin in an American air raid. |
| Nino Padre | Germany | The cargo ship was sunk in an Allied air raid on Genoa, Italy. |
| R-27 | Kriegsmarine | World War II: The Type R-25 minesweeper was sunk in the Pilava-Konigsberg Canal by mines. |
| R-204 | Kriegsmarine | World War II: The Type R-151 minesweeper was sunk by Soviet aircraft at Feodosija, Soviet Union. Raised, repaired, and put into Soviet Navy service as BO-51. |
| Stör | Germany | World War II: The cargo ship was torpedoed and sunk in the Barents Sea off Kirkenes, Norway. |
| U-108 | Kriegsmarine | World War II: The Type IXB submarine was bombed and sunk at Stettin in an American air raid. She was raised on 17 July and decommissioned. Scuttled on 24 April 1945. |
| U-902 | Kriegsmarine | World War II: The Type VIIC submarine was sunk at Stettin during an American air raid. |
| UJ 2143 Aghios Trias | Kriegsmarine | The auxiliary submarine chaser was lost on this date. |
| Usambara | Kriegsmarine | World War II: The accommodation ship was bombed and set afire at Stettin. She was repaired and returned to service. |

## 12 April

List of shipwrecks: 12 April 1944 :
| Ship | State | Description |
| USS ATR-98 | United States Navy | The rescue tugboat was sunk in a collision with the tugboat USS Abnaki ( United States Navy) off The Azores (44°04′N 24°08′W﻿ / ﻿44.067°N 24.133°W﻿ / 44.067; -24.133). |
| Cerere | Germany | World War II: The tanker was torpedoed and sunk in the Mediterranean Sea by HMS Untiring ( Royal Navy). |
| Diana | Germany | World War II: The cargo ship was torpedoed and sunk in the Mediterranean Sea (43°25′N 06°51′E﻿ / ﻿43.417°N 6.850°E﻿ / 43.417; 6.850) south of Oneglia, Italy by HMS Untiring ( Royal Navy). |
| I-174 | Imperial Japanese Navy | World War II: The Kaidai-class submarine was depth charged and sunk in the Pacific Ocean east of Truk, South Pacific Mandate (10°05′N 152°29′E﻿ / ﻿10.083°N 152.483°E﻿ / 10.083; 152.483) by a Consolidated PB4Y Liberattor aircraft of United States Navy squadron VB-108. Lost with all 107 hands. |
| Narita Maru | Japan | World War II: The cargo ship was bombed and sunk in the Pacific Ocean off Hollandia, New Guinea by Douglas A-26 Invader, Consolidated B-24 Liberator, North American B-25 Mitchell and Martin B-26 Marauder aircraft of the United States Fifth Air Force. |
| USS PT-135 | United States Navy | World War II: The ELCO 80'-class PT boat was scuttled after running aground north of Crater Point, New Britain (05°21′S 152°09′E﻿ / ﻿5.350°S 152.150°E﻿ / -5.350; 152.150). The whole crew was rescued. |
| StuBo 1045 | Kriegsmarine | The StuBo42 type landing craft/motor launch was destroyed by fire in Braila, Rumania. |
| Taichu Maru | Japan | World War II: The cargo liner was torpedoed and sunk in the Pacific Ocean east of Okinawa, Japan (08°08′N 128°57′E﻿ / ﻿8.133°N 128.950°E﻿ / 8.133; 128.950) by USS Halibut ( United States Navy). |

## 13 April

List of shipwrecks: 13 April 1944 :
| Ship | State | Description |
| F 565 | Kriegsmarine | World War II: The Type C2 Marinefährprahm was sunk in the Black Sea by Soviet aircraft. |
| Ikazuchi | Imperial Japanese Navy | World War II: The Fubuki-class destroyer was torpedoed and sunk in the Pacific Ocean 200 nautical miles (370 km) south south east of Guam (10°13′N 143°51′E﻿ / ﻿10.217°N 143.850°E﻿ / 10.217; 143.850) by USS Harder ( United States Navy). Lost with all hands. |
| Solvoll | Norway | World War II: The fishing vessel (10 GRT) was shelled and sunk in the Norwegian Sea 150 nautical miles (280 km) west of the Lofoten Islands by U-711 ( Kriegsmarine). All eight people on board were taken on board U-711 as prisoners and were held by the Gestapo until the end of the war. |

## 14 April

List of shipwrecks: 14 April 1944 :
| Ship | State | Description |
| Bärenfels | Germany | World War II: The cargo ship was sunk by a mine, placed by the British mini-submarine X-24, while at the coal-dock at Bergen. 11 men were killed. The wreck was refloated in 1947 and scrapped. |
| Baroda | United Kingdom | One of the ships damaged in the Bombay Explosion World War II: Bombay Explosion: The cargo liner (3,172 GRT, 1911) was set afire and burnt out as a result of the explosion of Fort Stikine ( United Kingdom) at Bombay, India. She was beached on Green Island. Consequently sold for scrap in December. |
| HMHS Chantilly | United Kingdom | World War II: Bombay Explosion: The hospital ship (9,986 GRT, 1923) was severely damaged by the explosion of Fort Stikine ( United Kingdom) at Bombay. She was subsequently repaired and returned to service. |
| HMIS El Hind | Royal Indian Navy | World War II:Bombay Explosion: The landing ship infantry (large) (5,319 GRT, 1938) was burned out as a result of the explosion of Fort Stikine ( United Kingdom) at Bombay. Refloated in 1945 and towed to Mandapam and resunk as a breakwater. |
| Empire Confidence | United Kingdom | World War II: Bombay Explosion: The cargo ship was damaged by the explosion of Fort Stikine ( United Kingdom). She remained in service, and was sent to Australia for a cargo of grain to alleviate a local famine caused by the explosion. |
| Empire Indus | United Kingdom) | World War II: Bombay Explosion: The cargo ship was set afire and severely damaged by the explosion of Fort Stikine ( United Kingdom). Subsequently repaired and returned to service. |
| Fort Crevier | United Kingdom | World War II: Bombay Explosion: The Fort ship (7,131 GRT, 1943) was severely damaged by the explosion of Fort Stikine ( United Kingdom) at Bombay. She was subsequently used as a hulk until scrapped in 1948. A crewman was killed. |
| Fort Stikine | United Kingdom | World War II: Bombay Explosion: The Fort ship (7,142 GRT, 1942) exploded and sank at Bombay. The explosion resulted in the loss of many more ships. |
| Graciosa | Norway | World War II: Bombay Explosion: The cargo ship (1,173 GRT, 1917) was severely damaged by the explosion of Fort Stikine ( United Kingdom) and was declared a total loss. She was sold for scrap in July 1944. |
| Generaal Van Der Heyden | Netherlands | World War II: Bombay Explosion: The ship (1,213 GRT, 1929) was lost as a result of the explosion of Fort Stikine ( United Kingdom) at Bombay. 15 of the people aboard were killed. |
| Generaal Van Swiete | Netherlands | World War II: Bombay Explosion: The ship (1,300 GRT, 1928) was lost as a result of the explosion of Fort Stikine ( United Kingdom) at Bombay. Two crew members were killed. |
| Iran | Panama | World War II: Bombay Explosion: The cargo ship was severely damaged by the explosion of Fort Stikine ( United Kingdom) and was declared a total loss. The wreck was scrapped. |
| Jalapadna | India | World War II Bombay Explosion: The ship (3,935 GRT, 1929) was lifted by the tsunami caused by the explosion of Fort Stikine ( United Kingdom) and broke in two when slammed down on a dock at Bombay. The wreck was subsequently scrapped in situ. |
| Kingyuan | United Kingdom | World War II: Bombay Explosion: The ship (2,653 GRT, 1921) was lost as a result of the explosion of Fort Stikine ( United Kingdom) at Bombay. |
| HMS LCP(L) 323 | Royal Navy | World War II: Bombay Explosion: The landing craft personnel (large) (6/8 t, 1943) was destroyed by the explosion of Fort Stikine ( United Kingdom). |
| HMS LCP(R) 866 | Royal Navy | World War II: Bombay Explosion: The landing craft personnel (ramp) (6/8 t, 1943) was burnt out as a result of the explosion of Fort Stikine ( United Kingdom) at Bombay. |
| Maician | United Kingdom | World War II: The cargo ship was driven ashore at Craig Ewen Point, 2 nautical miles (3.7 km) north of Peterhead, Aberdeenshire (57°31′30″N 1°48′00″W﻿ / ﻿57.52500°N 1.80000°W﻿ / 57.52500; -1.80000). She was a total loss. |
| Norse Trader | Panama | World War II: Bombay Explosion: The cargo ship was severely damaged by the explosion of Fort Stikine ( United Kingdom) and was declared a total loss. |
| Rod El Farag | Egypt | World War II: Bombay Explosion: The ship (6,842 GRT, 1910) was lost as a result of the explosion of Fort Stikine ( United Kingdom) at Bombay. She was sunk for use as a jetty. |
| Tinombo | Netherlands | World War II: Bombay Explosion: The ship was burnt out as a result of the explosion of Fort Stikine ( United Kingdom) at Bombay. Eight of the people aboard were killed. Declared a total loss, she was sunk for use as a jetty. |
| U-448 | Kriegsmarine | World War II: The Type VIIC submarine was depth charged and sunk in the Atlantic Ocean north east of the Azores, Portugal (46°22′N 19°35′W﻿ / ﻿46.367°N 19.583°W﻿ / 46.367; -19.583) by HMS Pelican ( Royal Navy) and HMCS Swansea ( Royal Canadian Navy) with the loss of nine of her 51 crew. |
| Vesper | Kriegsmarine | World War II: The fishing cutter (93 GRT, 1891) was bombed and sunk in the Barents Sea off Makkaur, Norway by Soviet aircraft. |

## 15 April

List of shipwrecks: 15 April 1944 :
| Ship | State | Description |
| F 564 | Kriegsmarine | The Type C2 Marinefährprahm was sunk on this date. |
| F 569 | Kriegsmarine | World War II: The Type C2M minelaying Marinefährprahm was sunk in the Black Sea by Soviet aircraft. |
| Friedrichshafen | Germany | World War II: The cargo ship was torpedoed and sunk in the North Sea off Egersund, Norway by HMS Venturer ( Royal Navy). |
| Hakuo Maru | Imperial Japanese Navy | The auxiliary guard boat was lost on this date. |
| Rapel | Chile | The cargo ship struck a rock in the Guia Narrows and was beached (58°45′S 74°25′W﻿ / ﻿58.750°S 74.417°W﻿ / -58.750; -74.417). She was declared a total loss. |
| Solveig | Kriegsmarine | World War II: The naval trawler was bombed and sunk in the Barents Sea off Makkaur, Norway by Soviet aircraft. |
| Sumida Maru | Japan | World War II: The cargo ship struck a mine and sank in the Pacific Ocean off Honshu. |
| UJ 2141 | Kriegsmarine | World War II: The submarine chaser was bombed and sunk in the Mediterranean Sea by British aircraft. |
| W-7 | Imperial Japanese Navy | World War II: The No.7-class minesweeper was torpedoed and sunk in the Indian Ocean off the Nicobar Islands (11°34′N 93°08′E﻿ / ﻿11.567°N 93.133°E﻿ / 11.567; 93.133) by HMS Storm ( Royal Navy). |

## 16 April

List of shipwrecks: 16 April 1944 :
| Ship | State | Description |
| AF 1 | Kriegsmarine | World War II: The Type A Artilleriefährprahm was bombed and sunk at Boulogne, Pas-de-Calais, France by Allied aircraft. |
| Dordogne | Germany | World War II: The lighter was sunk by a mine in the Black Sea. |
| F 402 | Kriegsmarine | The Type C Marinefährprahm was sunk on this date. |
| Hino Maru No.1 | Japan | World War II: Convoy H-22: The cargo ship was torpedoed and sunk in the Philippine Sea by USS Paddle ( United States Navy). Nineteen troops and nineteen crewmen were killed. |
| Meyer London | United States | World War II: Convoy UGS 37: The Liberty ship was torpedoed and sunk in the Mediterranean Sea off Derna, Libya (32°38′N 23°08′E﻿ / ﻿32.633°N 23.133°E﻿ / 32.633; 23.133) by U-407 ( Kriegsmarine) All 72 crew were rescued by HMS La Malouine ( Royal Navy). |
| Mito Maru | Japan | World War II: Convoy H-22: The cargo ship was torpedoed and sunk in the Philippine Sea (2°02′S 127°20′E﻿ / ﻿2.033°S 127.333°E﻿ / -2.033; 127.333) by USS Paddle ( United States Navy). A total of 280 troops, nine gunners and 29 crewmen were killed. |
| PiLB 379 | Kriegsmarine | The PiLB 40 type landing craft was lost on this date. |
| Pan-Pennsylvania | United States | World War II: Convoy CU 21: The Type T3 tanker was torpedoed and damaged in the Atlantic Ocean 200 nautical miles (370 km) east of New York (40°05′N 69°40′W﻿ / ﻿40.083°N 69.667°W﻿ / 40.083; -69.667) by U-550 ( Kriegsmarine) with the loss of ten gunners and fifteen of her 56 crew. Survivors abandoned ship and were rescued by USS Joyce and USS Peterson (both United States Navy). Some of the shells fired by USS Gandy, Joyce and Peterson (all United States Navy) in sinking U-550 hit Pan-Pennsylvania setting her on fire (40°09′N 69°44′W﻿ / ﻿40.150°N 69.733°W﻿ / 40.150; -69.733). Pan-Pennsylvania was scuttled by bombing and sank on 18 April at 40°24′N 69°37′W﻿ / ﻿40.400°N 69.617°W﻿ / 40.400; -69.617 by Allied aircraft. |
| R-108 | Kriegsmarine | World War II: The Type R-41 minesweeper was sunk in the North Sea off Terschelling, Friesland, Netherlands in a collision with R-229 ( Kriegsmarine). |
| Shinyu Maru | Japan | World War II: The cargo liner was torpedoed and sunk in the Philippine Sea by USS Redfin ( United States Navy). |
| Thomas G. Masaryk | United States | World War II: Convoy UGS-37: The Liberty ship was torpedoed and damaged in the Mediterranean Sea 17 nautical miles (31 km) off Derna (32°51′N 23°00′E﻿ / ﻿32.850°N 23.000°E﻿ / 32.850; 23.000) by U-407 ( Kriegsmarine). All 70 crew abandoned ship and were rescued by HMS La Malouine ( Royal Navy). Thomas G. Masaryk was taken in tow by HMS Captive ( Royal Navy) and beached in Maneola Bay. She was shelled and sunk in order to extinguish the fire that had started when she was torpedoed. She was refloated on 28 August and towed by HMS Captive to Port Said, Egypt but was declared a constructive total loss. |
| U-550 | Kriegsmarine | U-550 World War II: The IXC/40 submarine was depth charged, shelled, rammed and sunk in the Atlantic Ocean (40°09′N 69°44′W﻿ / ﻿40.150°N 69.733°W﻿ / 40.150; -69.733) by USS Gandy, USS Joyce and USS Peterson (all United States Navy) with the loss of 44 of her 56 crew. Survivors were taken as prisoners of war by USS Joyce. |
| Yamagata Maru | Imperial Japanese Army | World War II: Convoy M-27: The Akita Maru-class auxiliary transport was torpedoed and sunk in the Philippine Sea (06°51′N 123°37′E﻿ / ﻿6.850°N 123.617°E﻿ / 6.850; 123.617) by USS Redfin ( United States Navy). 28 passengers and 5 crewmen killed. |

## 17 April

List of shipwrecks: 17 April 1944 :
| Ship | State | Description |
| Alba Julia | Romania | World War II: The cargo ship was bombed and set afire in the Black Sea by Soviet aircraft. She was a total loss. |
| Arizona | Germany | World War II: The cargo ship was bombed and sunk by Allied aircraft at Palermo, Sicily, Italy. She was refloated on 22 October 1946 but ran aground and was declared a total loss. |
| GR 02 | Kriegsmarine | World War II: The guard ship was torpedoed and sunk at Kos, Greece by Royal Navy motor torpedo boats. |
| GR 94 | Kriegsmarine | World War II: The guard ship was torpedoed and sunk at Kos by Royal Navy motor torpedo boats. |
| James Guthrie | United States | World War II: The Liberty ship struck a mine and was damaged in the Mediterranean Sea off Salerno, Italy. She was beached at Naples but broke in two and was declared a constructive total loss. |
| M 3860 | Kriegsmarine | World War II: The minesweeper struck a mine and sank in the German Bight. |
| Matsue Maru | Japan | World War II: The cargo ship was torpedoed and sunk in the Pacific Ocean by USS Harder ( United States Navy). |
| Noshiro Maru No. 2 | Imperial Japanese Navy | World War II: The auxiliary minesweeper was torpedoed and sunk in the Pacific Ocean by USS Searaven ( United States Navy). |
| U-342 | Kriegsmarine | World War II: The Type VIIC submarine was depth charged and sunk in the Atlantic Ocean (60°32′N 29°20′W﻿ / ﻿60.533°N 29.333°W﻿ / 60.533; -29.333) by a Consolidated PBY Catalina aircraft of 162 Squadron, Royal Canadian Air Force with the loss of all 51 crew. |
| U-986 | Kriegsmarine | World War II: The Type VIIC submarine was depth charged and sunk in the Atlantic Ocean south west of Iceland (50°09′N 12°51′W﻿ / ﻿50.150°N 12.850°W﻿ / 50.150; -12.850) by USS PC-619 and USS Swift (both United States Navy) with the loss of all 50 crew. |

## 18 April

List of shipwrecks: 18 April 1944 :
| Ship | State | Description |
| DB-35 | Soviet Navy | The No. 1-class landing boat was lost on this date. |
| Koga Maru | Imperial Japanese Navy | World War II: The Choko Maru-class auxiliary transport (909 GRT, 1941) struck a mine and flooded at Penang. The vessel was refloated 40 days later. |
| L-6 | Soviet Navy | World War II: The Leninets-class submarine was sunk in the Black Sea east of Constanta, Romania (43°28′N 31°32′E﻿ / ﻿43.467°N 31.533°E﻿ / 43.467; 31.533) by UJ-104 ( Kriegsmarine). |
| USS Gudgeon | United States Navy | World War II: The Tambor-class submarine was bombed and sunk in the Pacific Ocean off Iwo Jima (22°52′N 143°32′E﻿ / ﻿22.867°N 143.533°E﻿ / 22.867; 143.533) by a Mitsubishi G3M "Nell" bomber aircraft of the 901 Air Group, Imperial Japanese Navy. |
| Ya-26 | Soviet Navy | The Ya-5-class mortar motor boat was lost on this date. |
| Ya-27 | Soviet Navy | The Ya-5-class mortar motor boat was lost on this date. |

## 19 April

List of shipwrecks: 19 April 1944 :
| Ship | State | Description |
| Embla | Sweden | Red Cross: World War II: The Red Cross-marked cargo ship was bombed and sunk in the Mediterranean Sea off Sète, Hérault, France by Bristol Beaufighter aircraft of Royal Air Force. All 21 crew survived the attack. |
| F 622 | Kriegsmarine | World War II: The Type C2 Marinefährprahm was sunk by Allied fighter-bomber aircraft off Piombino, Italy. |
| F 4760 | Kriegsmarine | World War II: The MZ-A landing craft was sunk by Allied fighter-bomber aircraft off Piombino, Italy. One crew was killed. |
| Haruno Maru | Japan | World War II: Operation Cockpit: The transport was sunk at Sabang, Sumatra, Netherlands East Indies by aircraft from HMS Illustrious ( Royal Navy) and USS Saratoga ( United States Navy). A crewman was killed. |
| John Straub | United States | World War II: During a voyage from Port Townsend, Washington, to Dutch Harbor, Territory of Alaska, with a cargo of highly flammable cargo of fuel, the Liberty ship, operating as a cargo ship for the United States Army was torpedoed by I-180 ( Imperial Japanese Navy) and broke in two in the Pacific Ocean at 54°22′N 163°24′W﻿ / ﻿54.367°N 163.400°W﻿ / 54.367; -163.400﻿ (SS John Straub), approximately 20 nautical miles (37 km; 23 mi) southeast of Sanak Island in the Fox Islands subgroup of the Aleutian Islands. The bow section sank. The stern section was scuttled by the patrol frigate USS Albuquerque ( United States Navy). A passenger, 14 embarked personnel of the United States Navy Armed Guard, and 40 crewmen were killed. Her 15 survivors were rescued by the cargo ship FP 41 ( United States Army). |
| José Illucea | Spain | World War II: The coaster was bombed and sunk in the Gulf of Lyon by Bristol Beaufighter aircraft of Royal Air Force. Two crew were killed. |
| Kampung Besar | Japan | World War II: The tug was torpedoed and sunk in the Strait of Malacca by HMS Tantalus ( Royal Navy). |
| Kunitsu Maru | Imperial Japanese Navy | World War II: Operation Cockpit: The Kamitsu-class transport was sunk at Sabang, Sumatra, Netherlands East Indies by aircraft from HMS Illustrious ( Royal Navy) and USS Saratoga ( United States Navy). The ship was refloated on 2 January 1945 and towed to Singapore. |
| RTShch-37 | Soviet Navy | World War II: The K-15/M-17-class river minesweeping launch was sunk by a mine in the Black Sea. The crew was saved. |
| Tärnan | Sweden | World War II: The cargo ship struck a mine and sank off Warnemünde, Germany. Two crew were killed. |
| U-974 | Kriegsmarine | World War II: The Type VIIC submarine was torpedoed and sunk in the North Sea off Karmsund, Norway (59°08′N 5°23′E﻿ / ﻿59.133°N 5.383°E﻿ / 59.133; 5.383) by Ula ( Royal Norwegian Navy) with the loss of 42 of her 50 crew. |
| V 1233 Vooruit | Kriegsmarine | World War II: The Vorpostenboot was sunk in the North Sea by British aircraft. |
| V 1236 Augusta | Kriegsmarine | World War II: The Vorpostenboot was sunk in the North Sea by British aircraft. |
| V 1237 Notre Dame de Dunes | Kriegsmarine | World War II: The Vorpostenboot was sunk in the North Sea by British aircraft. |

## 20 April

List of shipwrecks: 20 April 1944 :
| Ship | State | Description |
| El Biar | Free France | World War II: Convoy CAF 31: The passenger/cargo ship was torpedoed and sunk in the Mediterranean Sea off Algeria by aircraft of the Luftwaffe. One gunner was killed. |
| USS Lansdale | United States Navy | World War II: Convoy UGS 38: The Benson-class destroyer was torpedoed and sunk in the Mediterranean Sea off Algiers, Algeria by Junkers Ju 88 aircraft of III Staffeln Kampfgeschwader 26 and Heinkel He 111 aircraft of I & II Staffeln, Kampfgeschwader 77, Luftwaffe with the loss of 47 of her 279 crew. Survivors were rescued by USS Menges and USS Newell (both United States Navy). |
| Krosdøl | Norway | Bergen explosion: The coaster (177 GRT, 1918) was sunk at Bergen, Norway, by the explosion of Voorbode ( Kriegsmarine). |
| No. 42 | Soviet Navy | The No. 11-class landing tender was lost on this date. |
| Paul Hamilton | United States | Paul Hamilton explodingWorld War II: Convoy UGS 38: The Liberty ship was torpedoed, blew up and sank in the Mediterranean Sea off Algiers (37°00′N 3°20′E﻿ / ﻿37.000°N 3.333°E﻿ / 37.000; 3.333) by aircraft of III Staffeln, Kampfgeschwader 26 and I & II Staffeln, Kampfgeschwader 77, Luftwaffe. All 504 troops, 29 gunners and 47 crewmen aboard were killed. |
| Rogaland | Norway | Rogaland Bergen explosion: The cargo ship (902 GRT, 1929) was sunk at Bergen by the explosion of Voorbode ( Kriegsmarine). Raised later that year and laid up at Ølesund. Repaired and returned to service in 1947. |
| Royal Star | United Kingdom | World War II: Convoy UGS 38: The cargo ship (7,900 GRT, 1919) was torpedoed and sunk in the Mediterranean Sea northeast of Algiers, Algeria (37°02′N 3°41′E﻿ / ﻿37.033°N 3.683°E﻿ / 37.033; 3.683) by aircraft of the Luftwaffe with the loss of one of her 79 crew. |
| Sperrbrecher 102 Condor | Kriegsmarine | World War II: The Sperrbrecher was torpedoed and sunk in the North Sea off Schiermonnikoog, Friesland, Netherlands by Allied aircraft. |
| UIT-5 | Kriegsmarine | World War II: The submarine was sunk at Monfalcone, Friuli-Venezia-Giulia, Italy in an Allied air raid. |
| UJ 203 | Kriegsmarine | World War II: The submarine chaser, a former Gabbiano-class corvette, was sunk at Monfalcone by Allied aircraft. She was further attacked and destroyed on 19 July 1944. |
| Voorbode | Kriegsmarine | Bergen explosion: The ammunition transport was sunk off Bergen by an accidental explosion. One hundred and fifty-eight people were killed. About 4,800 were wounded. |

## 21 April

List of shipwrecks: 21 April 1944 :
| Ship | State | Description |
| M 553 | Kriegsmarine | World War II: The torpedo recovery vessel, a former Jan van Amstel-class minesweeper, struck a mine and sank in the Baltic Sea off the coast of East Prussia. The wreck was raised 20 July 1944 and towed to Gotenhafen for decommissioning. Afterwards, the wreck was towed to Stettin where it was set ablaze by bombs on 30 August 1944 near the Gollnowwerft. |
| Munsterland | Germany | World War II: The cargo ship ran aground off Cap Gris Nez, Pas-de-Calais, France. She was shelled by British shore-based artillery and was a total loss. |
| NB-7 Enare-II | Yugoslav Partisans | World War II: The gunboat was damaged in a collision with NB-8 Kornat ( Yugoslav Partisans) and was scuttled to prevent capture in the area of Mljet and Korčula. |
| P A F #27 | United States | The 70-gross register ton, 65-foot (19.8 m) scow sank in the Gulf of Alaska approximately 120 nautical miles (220 km; 140 mi) off Cape Spencer on the coast of the Territory of Alaska. |
| Roland | Kriegsmarine | World War II: The auxiliary minelayer struck a mine and sank in the Gulf of Finland, west of the Kurgalsky Peninsula (59°43.2′N 27°28.2′E﻿ / ﻿59.7200°N 27.4700°E﻿ / 59.7200; 27.4700). |

## 22 April

List of shipwrecks: 22 April 1944 :
| Ship | State | Description |
| Bahia | Germany | World War II: The cargo ship was torpedoed and sunk in the North Sea off Lista, Norway (58°07′N 6°27′E﻿ / ﻿58.117°N 6.450°E﻿ / 58.117; 6.450) by Ula ( Royal Norwegian Navy). |
| Erling Brøvig | Norway | World War II: Convoy PA 69: The tanker was torpedoed and severely damaged by U-510 ( Kriegsmarine). She was towed in to Massowah, Eritrea and laid up. Repaired in 1946 and returned to service as Bramora. |
| Hokuan I-Go | Japan | World War II: The salvage vessel was torpedoed and sunk in the Strait of Malacca by HMS Taurus ( Royal Navy). |
| Jylland | Germany | World War II: The coaster (539 GRT, 1887) struck a mine and sank in the Baltic Sea off Stralsund, Mecklenburg-Vorpommern. |
| Kainan Maru No. 15 | Japan | World War II: The tug was torpedoed and sunk in the Strait of Malacca by HMS Taurus ( Royal Navy). |
| Koryu Maru | Imperial Japanese Navy | World War II: Convoy SHISA-17: The Kumagawa Maru-class auxiliary collier/oiler (6,680 GRT, 1931) was bombed and sunk in the South China Sea 2 nautical miles (3.7 km) north east of Cape St. Jacques Lighthouse, French Indochina (10°19′N 107°05′E﻿ / ﻿10.317°N 107.083°E﻿ / 10.317; 107.083), by Consolidated B-24 Liberator aircraft of the 308th Bomb Group, United States Fourteenth Air Force. Thirty-eight troops and 43 crewmen were killed. |
| London Maru | Imperial Japanese Army | World War II: Convoy SHISA-17: The London Maru-class transport was bombed and sunk in the South China Sea two nautical miles (3.7 km; 2.3 mi) north east of Cape St. Jacques Lighthouse, French Indochina (10°19′N 107°05′E﻿ / ﻿10.317°N 107.083°E﻿ / 10.317; 107.083), by Consolidated B-24 Liberator aircraft of the 308th Bomb Group, United States Fourteenth Air Force. Two crewmen were killed. |
| Nagata Maru | Imperial Japanese Navy | World War II: Convoy SHISA-17: The Ikuta Maru-class transport (2,969 GRT, 1937) was bombed and sunk in the South China Sea 2 nautical miles (3.7 km) north east of Cape St. Jacques Lighthouse, French Indochina, by Consolidated B-24 Liberator aircraft of the 308th Bomb Group, United States Fourteenth Air Force. Nineteen troops, 27 other passengers, and seven crewmen were killed. |
| Pavlin Vinogradov | Soviet Union | World War II: During a voyage with a cargo of acetone from Portland, Oregon, to Vladivostok in the Soviet Union via Akutan in the Aleutian Islands, the 2,864-gross register ton cargo liner was sunk by an unidentified submarine – almost certainly I-180 ( Imperial Japanese Navy) – in the North Pacific Ocean approximately 250 nautical miles (460 km; 290 mi) southeast of Dutch Harbor, Territory of Alaska. She exploded and sank in less than a minute, with 13 crewmen killed. The other 29 crewmen abandoned ship in a lifeboat, but only nine of them remained alive when the steamer Ola ( Soviet Union) rescued them six days later. Pavlin Vinogradov's master did not survive. |
| Roland | Kriegsmarine | World War II: The auxiliary minelayer struck a mine and sank in the Baltic Sea. |
| Shonan Maru No. 7 | Imperial Japanese Navy | World War II: The submarine chaser was torpedoed and sunk in the Strait of Malacca by HMS Sea Rover ( Royal Navy). |
| U-311 | Kriegsmarine | World War II: The Type VIIC submarine was depth charged and sunk in the Atlantic Ocean south west of Iceland (52°09′N 19°07′W﻿ / ﻿52.150°N 19.117°W﻿ / 52.150; -19.117) by HMCS Matane and HMCS Swansea (both Royal Canadian Navy) with the loss of all 51 crew. |
| Yamamizu Maru No. 3 | Imperial Japanese Navy | World War II: Convoy SHISA-17: The tanker was bombed and sunk in the South China Sea 2 nautical miles (3.7 km) north east of Cape St. Jacques Lighthouse, French Indochina, by Consolidated B-24 Liberator aircraft of the 308th Bomb Group, United States Fourteenth Air Force. Eighteen crewmen were killed. |

## 23 April

List of shipwrecks: 23 April 1944 :
| Ship | State | Description |
| Amagiri | Imperial Japanese Navy | World War II: The Fubuki-class destroyer was sunk in the Makassar Strait 50 nautical miles (93 km) south of Balikpapan Borneo by a mine. Thirteen crewmen were killed. Survivors were rescued by the heavy cruiser Aoba and the light cruiser Ōi (both Imperial Japanese Navy). |
| Daiju Maru | Japan | World War II: The cargo ship was torpedoed and sunk in the Seto Inland Sea by the submarine USS Seadragon ( United States Navy). |
| S 54 | Kriegsmarine | World War II: The E-boat was badly damaged by a mine off Lefkada Island, Greece. Three crew were killed and five wounded. SHe was subsequently decommissioned on 31 October 1944 and scrapped. |
| V 6109 Nordwind | Kriegsmarine | World War II: The Seeteufel-class naval whaler/Vorpostenboot was torpedoed and damaged by Soviet aircraft. She was taken under tow, but later that day was bombed and sunk off Vardo by Soviet aircraft. 17 of her 54 crew were killed. |

## 24 April

List of shipwrecks: 24 April 1944 :
| Ship | State | Description |
| Barmbek | Germany | The cargo ship broke in two in the Atlantic Ocean (62°00′25″N 5°10′01″E﻿ / ﻿62.00694°N 5.16694°E﻿ / 62.00694; 5.16694). the bow section sank. The stern section was beached at Måløy, Norway. It was refloated in 1949 and towed to Flensburg, West Germany. A new bow section was constructed and she returned to service as Kate Grammerstorf. |
| F 423 | Kriegsmarine | The Type C Marinefährprahm was sunk on this date. |
| H. H. Conway | United States | The trawler sank south of Marathon Key, Florida at 24°40′N 81°04′W﻿ / ﻿24.667°N 81.067°W﻿ / 24.667; -81.067. |
| HMS LST-407 | Royal Navy | The Mk 2 landing ship tank (1,625/4,080 t, 1942) was run aground off Naples, Italy and was not repaired. Returned to the United States Navy in May 1945. |
| HMS MTB 671 | Royal Navy | World War II: The Fairmile D motor torpedo boat (102/118 t, 1943) was shelled and sunk in the English Channel off Cape Barfleur, France by Kriegsmarine destroyers. |
| HMS Roode Zee | Royal Navy | World War II: The rescue tug (468 GRT, 1938) was torpedoed and sunk in the English Channel off Dungeness, Kent, United Kingdom by S 100 ( Kriegsmarine). |

## 25 April

List of shipwrecks: 25 April 1944 :
| Ship | State | Description |
| F 350 | Kriegsmarine | The Type A Marinefährprahm was sunk on this date. |
| F 515 | Kriegsmarine | The Type C Marinefährprahm was sunk on this date. |
| F 610 | Kriegsmarine | The Type C2 Marinefährprahm was sunk on this date. |
| F 621 | Kriegsmarine | The Type C2 Marinefährprahm was sunk on this date. |
| No. 41 | Soviet Navy | The No. 11-class landing tender was lost on this date. |
| O 22 S | Kriegsmarine | World War II: The tug was sunk in an Allied air raid on Kiel, Schleswig-Holstein. She was subsequently salvaged, repaired and returned to service. |
| R-208 | Kriegsmarine | World War II: The Type R-151 minesweeper was sunk in the Danube at Linz, Austria by a mine. |
| T27 | Kriegsmarine | World War II: The torpedo boat was shelled and damaged in the English Channel in a battle with HMS Ashanti, HMS Black Prince (both Royal Navy), HMCS Haida and HMCS Huron (both Royal Canadian Navy). She was beached at Morlaix, Manche, France on 27 April. T 27 was further damaged in an air attack on 3 May and was torpedoed and sunk by HMMTB 673 on 7 May. |
| T29 | Kriegsmarine | World War II: The torpedo boat was shelled and sunk in the English Channel by HMCS Haida ( Royal Canadian Navy) with the loss of 62 of her 135 crew. Survivors were rescued by Kriegsmarine Vorpostenboote. |
| TA23 | Kriegsmarine | World War II: The Ciclone-class torpedo boat was damaged by a mine off Capraia, Italy (43°02′N 10°12′E﻿ / ﻿43.033°N 10.200°E﻿ / 43.033; 10.200). Scuttled by TA29 ( Kriegsmarine) when attacked by Royal Navy motor torpedo boats. |
| Tetsuyo Maru | Japan | World War II: The cargo ship was torpedoed and sunk in the Pacific Ocean north west of Chichi-jima by USS Guavina ( United States Navy). |
| UJ 206 | Kriegsmarine | World War II: The submarine chaser, a former Gabbiano-class corvette, was scuttled at Venice, Italy after being damaged by Allied aircraft. Raised, repaired and returned to Italian service post-War. |

## 26 April

List of shipwrecks: 26 April 1944 :
| Ship | State | Description |
| Colin | Panama | World War II: Convoy SC 157: The cargo ship straggled behind the convoy due to steering gear defects. She was torpedoed and sunk in the Atlantic Ocean (54°16′N 31°58′W﻿ / ﻿54.267°N 31.967°W﻿ / 54.267; -31.967) by U-859 ( Kriegsmarine) with the loss of one of her 55 crew. Survivors were rescued by HMS Affleck and HMS Bentley (both Royal Navy). |
| Eugenio C. | Germany | World War II: The cargo ship was bombed and sunk by Fleet Air Arm aircraft south of Bodø, Norway. 17 Italian sailors, five German sailors, ten German Flak gunners and the Norwegian pilot were killed. There were 12 survivors. |
| I-180 | Imperial Japanese Navy | World War II: The Kaidai-class submarine was depth charged, hedgehogged and sunk in the Pacific Ocean south west of Chirikof Island (55°09′57″N 155°40′00″W﻿ / ﻿55.16583°N 155.66667°W﻿ / 55.16583; -155.66667) by USS Gilmore ( United States Navy) with the loss of all 86 crew. |
| Itauri | Germany | World War II: The cargo ship was bombed and sunk by aircraft south of Bodø, Norway. |
| Jäämeri | Finland | World War II: The cargo ship struck a mine and sank in the Baltic Sea off Darß, Mecklenburg-Vorpommern, Germany. |
| Kashiwa Maru | Japan | World War II: The cargo ship was torpedoed and sunk in the Pacific Ocean north of Borneo by USS Crevalle ( United States Navy). |
| KT 3 | Kriegsmarine | World War II: The Marinefährprahm was sunk in the North Sea west of Fugloy, Faroe Islands by British aircraft. She was later salvaged and repaired. |
| Lasbek | Germany | World War II: The cargo ship was torpedoed and sunk at Borkum, or Bergen, Norway, by British carrier-based aircraft. |
| Lotte Leonhardt | Germany | World War II: The cargo ship was bombed and sunk by Allied aircraft off Fuglo, south of Bodø, Norway. |
| Miike Maru | Imperial Japanese Army | World War II: Convoy Higashi Matsu No. 5: The Miike Maru-class auxiliary transport was torpedoed and damaged in the Pacific Ocean off Palau by USS Trigger ( United States Navy). She caught fire from a fuel leak, was abandoned and sank two days later. Nine passengers, seven gunners and two crew were killed. Survivors were rescued by Manju ( Imperial Japanese Navy). |
| Noshiro Maru No. 1-Go | Japan | World War II: The cargo ship was torpedoed and sunk in the Pacific Ocean north west of Chichi-Jima by USS Guavina ( United States Navy). |
| S 147 | Kriegsmarine | World War II: The Schnellboot was sunk by La Combattante ( Free French Naval Forces) south of Beachy Head. 13 crew were killed. |
| Tokiwa Maru | Japan | World War II: The cargo ship was torpedoed and sunk in the Pacific Ocean by USS Bonefish ( United States Navy). |
| U-488 | Kriegsmarine | World War II: The Type XIV submarine was depth charged and sunk in the Atlantic Ocean west of the Cape Verde Islands, Portugal (17°54′N 38°05′W﻿ / ﻿17.900°N 38.083°W﻿ / 17.900; -38.083) by USS Barber, USS Frost, USS Huse and USS Snowden (all United States Navy) with the loss of all 64 crew. |
| V 606 Fladengrund | Kriegsmarine | World War II: The Vorpostenboot was sunk in the Bay of Biscay south of Belle Île, Finistère, France in an Allied air raid. |
| V 1401 Deister | Kriegsmarine | The Vorpostenboot suffered a boiler explosion and sank in the North Sea off IJmuiden, North Holland, Netherlands. |
| Wazan Maru | Imperial Japanese Navy | World War II: The transport ship was torpedoed and sunk in the Kii Channel (33°30′N 135°27′E﻿ / ﻿33.500°N 135.450°E﻿ / 33.500; 135.450) by USS Sargo ( United States Navy). |
| Yoshida Maru No.1 | Imperial Japanese Army | World War II: Take Ichi convoy: The transport was torpedoed and sunk in the South China Sea (18°06′N 119°40′E﻿ / ﻿18.100°N 119.667°E﻿ / 18.100; 119.667) by USS Jack ( United States Navy). 2,586 troops, 2 passengers, and 63 crewmen killed. 860 troops survived, or took down an entire 3,189-man Imperial Japanese Army regiment including its commander. |

## 27 April

List of shipwrecks: 27 April 1944 :
| Ship | State | Description |
| Akigawa Maru | Japan | World War II: The Standard Merchant Type 1K ore carrier (a.k.a. Akikawa Maru) was torpedoed and sunk in the Pacific Ocean 150 nautical miles (280 km) west of Saipan (14°46′N 143°22′E﻿ / ﻿14.767°N 143.367°E﻿ / 14.767; 143.367) by the submarine USS Seahorse ( United States Navy). Two troops and an unknown number of other passengers and crew were killed. |
| Axel | Germany | World War II: The cargo ship was bombed and sunk by aircraft at the Deutsche Werke yard in Kiel, Germany. |
| Daisun | Japan | World War II: The trawler was shelled and sunk in the South China Sea by the submarine USS Jack ( United States Navy). |
| USS Etamin | United States Navy | World War II: The Crater-class cargo ship was torpedoed and damaged in Milne Bay, New Guinea, by Japanese aircraft. She consequently became a storage hulk. |
| Genbu Maru | Japan | World War II: Convoy OKI-509: The cargo ship was torpedoed and sunk in the Pacific Ocean (27°16′N 128°21′E﻿ / ﻿27.267°N 128.350°E﻿ / 27.267; 128.350) by the submarine USS Halibut ( United States Navy). Two troops and a crewman were killed. |
| Kamome | Imperial Japanese Navy | World War II: Convoy OKI-509: The Tsubame-class minelayer was torpedoed and sunk in the Pacific Ocean (27°03′N 128°06′E﻿ / ﻿27.050°N 128.100°E﻿ / 27.050; 128.100) by the submarine USS Halibut ( United States Navy). |
| M 3668 | Kriegsmarine | World War II: The minesweeper, a KFK-class naval drifter, struck a mine and sank in the North Sea off Ostend, West Flanders, Belgium. |
| TK-332 | Soviet Navy | World War II: The G-5-class motor torpedo boat was shelled and sunk by German and Romanian surface ships in the Black Sea. |
| U-803 | Kriegsmarine | World War II: The Type IXC/40 submarine struck a mine and sank in the Baltic Sea off Swinemünde, Pomerania, with the loss of nine of her 44 crew. Salvaged in August 1944 and cannibalized for parts. |
| UJ 104 | Kriegsmarine | World War II: The auxiliary submarine chaser was torpedoed by TK-344 ( Soviet Navy) in the Black Sea, losing her stern. 17 crew were killed. She was towed to Sebastopol and was scuttled there on 10 May. |
| UJ 6075 Clairvoyant | Kriegsmarine | World War II: The submarine chaser was torpedoed and sunk in the Mediterranean Sea (43°01′N 05°58′E﻿ / ﻿43.017°N 5.967°E﻿ / 43.017; 5.967) off Toulon, Var, France, by HMS Untiring ( Royal Navy). 20 crew members were killed or missing. There were 13 wounded and 49 survivors. |
| Yūbari | Imperial Japanese Navy | World War II: The Yūbari-class light cruiser was torpedoed and damaged in the Pacific Ocean off Sonsorol Island, southwest of Palau at (5°20′N 132°16′E﻿ / ﻿5.333°N 132.267°E﻿ / 5.333; 132.267), by the submarine USS Bluegill ( United States Navy). She sank the next day. Nineteen crewmen were killed. Survivors were rescued by the destroyer Yūzuki ( Imperial Japanese Navy). |

## 28 April

List of shipwrecks: 28 April 1944 :
| Ship | State | Description |
| Helgoland | Kriegsmarine | World War II: The rescue ship struck a mine and sank in the North Sea off Gedser, Denmark. |
| USS LST-507 | United States Navy | World War II: Convoy T-4: Battle of Lyme Bay: The landing ship tank was torpedoed and sunk in Lyme Bay (50°28′N 02°51′W﻿ / ﻿50.467°N 2.850°W﻿ / 50.467; -2.850) by S 100, S 130, S 136, S 138. S 140, S 142, S 143. S 145 and S 150 (all Kriegsmarine). |
| USS LST-531 | United States Navy | World War II: Convoy T-4: Battle of Lyme Bay: The landing ship tank was torpedoed and sunk in Lyme Bay (50°28′N 02°51′W﻿ / ﻿50.467°N 2.850°W﻿ / 50.467; -2.850) by S 100, S 130, S 136, S 138. S 140, S 142, S 143. S 145 and S 150 (all Kriegsmarine). |
| Lüneberg | Germany | World War II: The cargo ship was torpedoed and sunk in the Aegean Sea off Heraklion, Greece (39°26′N 25°07′E﻿ / ﻿39.433°N 25.117°E﻿ / 39.433; 25.117) by HMS Sportsman ( Royal Navy). |

## 29 April

List of shipwrecks: 29 April 1944 :
| Ship | State | Description |
| HMCS Athabaskan | Royal Canadian Navy | World War II: The Tribal-class destroyer (1,927/2,675 t, 1943) was torpedoed and sunk in the English Channel off Saint-Brieuc, Côtes-du-Nord, France by T24 ( Kriegsmarine) with the loss of 124 of her 219 crew. |
| I-183 | Imperial Japanese Navy | World War II: The Kaidai-class submarine was torpedoed and sunk in the Pacific Ocean 30 nautical miles (56 km) south of Cape Ashizuri, Japan (32°07′N 133°03′E﻿ / ﻿32.117°N 133.050°E﻿ / 32.117; 133.050) by USS Pogy ( United States Navy). |
| Maria | United States | The vessel sank south of Marathon Key, Florida at 24°41′N 81°05′W﻿ / ﻿24.683°N 81.083°W﻿ / 24.683; -81.083. |
| USS PT-346 | United States Navy | World War II: The ELCO 80'-class PT boat was accidentally sunk in the Bismarck Sea off Cape Lambert, New Britain Island (04°13′S 151°27′E﻿ / ﻿4.217°S 151.450°E﻿ / -4.217; 151.450) by Vought F4U Corsair, Grumman F6F Hellcat, Douglas SBD Dauntless, and Grumman TBF Avenger aircraft of the United States Navy. Nine crew were killed. Survivors were rescued by Consolidated PBY Catalina aircraft of the United States Navy. |
| USS PT-347 | United States Navy | World War II: The ELCO 80'-class PT boat was sunk in the Bismarck Sea off Cape Lambert, New Britain Island (04°13′S 151°27′E﻿ / ﻿4.217°S 151.450°E﻿ / -4.217; 151.450) by Vought F4U Corsair, Grumman F6F Hellcat, Douglas SBD Dauntless and Grumman TBF Avenger aircraft of the United States Navy. Survivors were rescued by Consolidated PBY Catalina aircraft of the United States Navy. |
| Pulo Salanama | Japan | World War II: The coaster was shelled and sunk in the Malacca Strait (03°19′N 99°44′E﻿ / ﻿3.317°N 99.733°E﻿ / 3.317; 99.733) by HMS Tantalus ( Royal Navy). |
| Sirène | Kriegsmarine | World War II: The hulk of the decommissioned Sirène-class submarine was sunk by U.S. bombers at La Seyne-sur-Mer, France. |
| Song Giang Go | France | World War II: The cargo ship was torpedoed and sunk in the South China Sea off Cape Varella, French Indochina by USS Flasher ( United States Navy). |
| T-27 | Kriegsmarine | World War II: The Elbing-class torpedo boat was sunk with gunfire at Brignogan-Plages, Finistère, France. |
| Tahure | Vichy French Navy | World War II: The Arras-class aviso was torpedoed and sunk in the South China Sea off the Hon Doi Islands, Cape Varella, French Indochina (13°02′N 109°28′E﻿ / ﻿13.033°N 109.467°E﻿ / 13.033; 109.467) by USS Flasher ( United States Navy). |
| Takegawa Maru | Imperial Japanese Army | World War II: Convoy TAMA-17: The Takegawa Maru-class auxiliary transport ship was torpedoed and sunk in the South China Sea west of the Luzon Strait (19°20′N 118°50′E﻿ / ﻿19.333°N 118.833°E﻿ / 19.333; 118.833) by USS Bang ( United States Navy). Seven crewmen were killed. Lost with the ship are 17 Daihatsu landing barges and two lighters. |
| U-421 | Kriegsmarine | World War II: The Type VIIC submarine was bombed and sunk at Toulon, Var France during an American air raid. |

## 30 April

List of shipwrecks: 30 April 1944 :
| Ship | State | Description |
| CHa-38 | Imperial Japanese Navy | World War II: The CHa-1-class auxiliary submarine chaser was sunk at Truk by American aircraft. |
| Hino Maru No. 2 | Imperial Japanese Navy | World War II: The Hino Maru No. 2-class auxiliary transport was bombed and heavily damaged at Truk by aircraft from USS Cabot ( United States Navy), sinking on 4 May at 07°18′N 151°53′E﻿ / ﻿7.300°N 151.883°E﻿ / 7.300; 151.883. |
| Minsei Maru | Imperial Japanese Navy | World War II: The Minsei Maru-class auxiliary minelayer was bombed and sunk at Truk by US Navy aircraft. |
| Nittatsu Maru | Japan | World War II: Convoy TAMA-17: The tanker ship was torpedoed and sunk in the Pacific Ocean (19°22′N 118°45′E﻿ / ﻿19.367°N 118.750°E﻿ / 19.367; 118.750) by USS Bang ( United States Navy). Four crewmen were killed. |
| Pionier | Germany | World War II: The passenger ship struck a mine off Rixhöft and was damaged. She put in to Kiel. Repaired post-war and returned to her Dutch owners, re-entering service in September 1945 as Oranjefontein. |
| Ro-45 | Imperial Japanese Navy | World War II: The Kaichū type submarine was depth charged and sunk in the Pacific Ocean 40 nautical miles (74 km) south of Truk (06°13′N 151°19′E﻿ / ﻿6.217°N 151.317°E﻿ / 6.217; 151.317) by USS Macdonough and USS Stephen Potter (both United States Navy). She was lost with all 74 crew. |
| VIC 42 | United Kingdom | The VIC-type lighter ran aground 4 nautical miles (7.4 km) from Great Yarmouth, Norfolk. She was refloated and resumed her voyage. |
| William S. Thayer | United States | World War II: Convoy RA 59: The Liberty ship was torpedoed and sunk in the Barents Sea off Bear Island, Norway by U-307 ( Kriegsmarine) with the loss of 43 of the 234 people on board. Survivors were rescued by Robert Eden ( United States) and HMS Whitehall ( Royal Navy), which scuttled the still-floating stern section of the ship. |

## Unknown date

List of shipwrecks: Unknown date 1944 :
| Ship | State | Description |
| F 394 | Kriegsmarine | World War II: The Type C Marinefährprahm was sunk in the Black Sea by Soviet aircraft between 8 and 16 April. |
| F 395 | Kriegsmarine | World War II: The Type C Marinefährprahm was sunk in the Black Sea by Soviet aircraft between 8 and 16 April. |
| F 608 | Kriegsmarine | The Type C2 Marinefährprahm was sunk sometime in April. |
| HMS LCM 1313, HMS LCM 1314, HMS LCM 1373 and HMS LCM 1378 | Royal Navy | The landing craft mechanized were lost in transit from the United States to India sometime in April. |
| HMS LCP(R) 738 | Royal Navy | World War II: The landing craft personnel (ramped) was lost during an exercise at Mandapam, India. |
| Shinko Maru No.1 Go | Imperial Japanese Navy | The auxiliary gunboat was lost sometime in April. |
| U-193 | Kriegsmarine | The Type IXC/40 submarine was sunk in the Bay of Biscay on or after 23 April with the loss of all 59 crew. Cause unknown. |
| U-355 | Kriegsmarine | The Type VIIC submarine disappeared in the Barents Sea between 1 and 4 April with the loss of all 52 crew. Cause unknown. |