List of shipwrecks in April 1943

The list of shipwrecks in April 1943 includes ships sunk, foundered, grounded, or otherwise lost during April 1943.

This is a dynamic list and may never be able to satisfy particular standards for completeness. You can help by adding missing items with reliable sources.

1 April
List of shipwrecks: 1 April 1943
ShipCountryDescription
Aquila  Italy World War II: The cargo ship ran aground at Ras Ahmer, west of Cape Bon, Tunisia, and was later abandoned. The whole crew survived.[1][2]
Benevento  Italy World War II: The cargo ship was torpedoed in the Mediterranean Sea off Cape Zebib, Tunisia, by HMMTB 315 ( Royal Navy) and had to be run aground. She was later abandoned.[3][4]
Crema  Italy World War II: The cargo ship was torpedoed and sunk in the Mediterranean Sea off Cape Zebib, Tunisia, by HMMTB 266 ( Royal Navy). Only 26 of the 70 men aboard were saved.[3][4]
KT 13  Kriegsmarine World War II: The transport ship struck a mine and sank in the Mediterranean Sea.[5]
Lubiana  Regia Marina World War II: The Beograd-class destroyer ran aground at Ras Ahmer, west of Cape Bon, Tunisia, and was wrecked. Her whole crew was rescued.[2][6]
HMS MTB 63  Royal Navy The Vosper 70'-class motor torpedo boat was sunk in a collision off Benghazi, Libya, (30°50′N 19°50′E) with HMS MTB 64 ( Royal Navy). All the crew were rescued.[7][8]
HMS MTB 64  Royal Navy The Vosper 70'-class motor torpedo boat was heavily damaged in a collision off Benghazi, Libya, with HMS MTB 63 ( Royal Navy). One crew member was lost. She reached Benghazi two days later but was not repaired.[7][9][10]
Uzbekistan  Soviet Union World War II: The cargo ship was wrecked on the north west coast of the United States.[11]
USS YP-235  United States Navy The yard patrol craft was sunk by an explosion in the Gulf of Mexico.[12]

2 April
List of shipwrecks: 2 April 1943
ShipCountryDescription
City of Baroda  United Kingdom World War II: Convoy NC 9: The passenger ship was torpedoed and damaged in the Atlantic Ocean 90 nautical miles (170 km) south west of Luderitz Bay, South-West Africa (27°56′S 15°21′E) by U-509 ( Kriegsmarine) with the loss of eight of the 338 people on board. Survivors abandoned ship and were rescued by HMT Cape Warwick ( Royal Navy). City of Baroda came ashore two days later and broke up on 26 April. She was declared a total loss.[13]
Dundrum Castle  United Kingdom The cargo ship caught fire and sank in the Red Sea in the Straits of Perim (14°37′N 42°23′E). All the crew were saved.[14][15]
Gogra  United Kingdom World War II: Convoy OS 45: The cargo ship was torpedoed and sunk in the Atlantic Ocean 230 nautical miles (430 km) west of Oporto, Portugal by U-124 ( Kriegsmarine) with the loss of 82 of her 90 crew. Survivors were rescued by Danby ( United Kingdom) and New Northland ( Canada).[16]
HMIS Haideri  Royal Indian Navy World War II: The auxiliary patrol vessel was wrecked between Madras, India and Trincomallee, Ceylon while towing six barges.[17]
Katha  United Kingdom World War II: Convoy OS 45: The cargo ship was torpedoed and sunk in the Atlantic Ocean 320 nautical miles (590 km) west of Oporto by U-124 ( Kriegsmarine) with the loss of six of her 64 crew. Survivors were rescued by Danby ( United Kingdom) and HMS La Malouine ( Royal Navy).[18]
Lysefjord  Norway World War II: The cargo ship was torpedoed and sunk in the Atlantic Ocean (23°09′N 83°24′W) by U-155 ( Kriegsmarine) with the loss of four of her 23 crew. Survivors were rescued by Howard ( United States).[19][20]
MTB 267  Royal Navy The Elco 70' motor torpedo boat was damaged by a storm in the Mediterranean Sea (34°26′N 16°14′E) while sailing from Benghazi, Libya to Malta and was scuttled after all the crew were rescued.[15][21]
Melbourne Star  United Kingdom World War II: The cargo liner was torpedoed and sunk in the Atlantic Ocean (28°05′N 57°30′W) by U-129 ( Kriegsmarine) with the loss of 115 of the 119 people on board. Survivors were rescued by a Consolidated PBY Catalina aircraft of the United States Navy.[22]
Simon Duhamel II  Free France World War II: Convoy TE 20: The trawler straggled behind the convoy due to engine trouble. She was torpedoed and sunk in the Mediterranean Sea (36°01′N 2°29′W) by U-755 ( Kriegsmarine) with the loss of 53 of her 54 crew.[23]
Toyo Maru No.2  Japan World War II: The Toyo Maru-class cargo ship was torpedoed and sunk in the Pacific Ocean 5 miles west of Poluwat Island, Caroline Islands (07°22′N 149°18′E) by USS Tunny ( United States Navy). Fifty-one passengers and crew were killed; there was one survivor.[24][25]
U-124  Kriegsmarine World War II: The Type IXB submarine was shelled and sunk in the Atlantic Ocean west of Oporto, Portugal by HMS Black Swan and HMS Stonecrop (both  Royal Navy) with the loss of all 53 crew.

3 April
List of shipwrecks: 3 April 1943
ShipCountryDescription
Arima Maru  Imperial Japanese Navy World War II: The fleet oiler was torpedoed and damaged north of Palau (10°12′N 134°35′E) by USS Haddock ( United States Navy). She sank the next day.[26]
CH-13  Imperial Japanese Navy World War II: The submarine chaser was torpedoed and sunk in the Pacific Ocean east of Honshu (41°03′N 141°58′E) by USS Pickerel ( United States Navy) with the loss of all hands.[27][28]
Florida Maru  Imperial Japanese Navy World War II: The transport was bombed and sunk at Kavieng, New Ireland (02°35′S 150°49′E) by Boeing B-17 Flying Fortress aircraft of the United States Fifth Air Force.[29][30]
Gulfstate  United States World War II: The tanker was torpedoed and sunk in the Atlantic Ocean 50 nautical miles (93 km) south east of Marathon Key, Florida by U-155 ( Kriegsmarine) with the loss of 43 of her 61 crew. Survivors discovered by a United States Navy blimp were rescued by a United States Coast Guard aircraft with the assistance of USS Noa ( United States Navy). 70 years later in 2013, she again became a target, this time of the National Oceanic and Atmospheric Administration's Remediation of Underwater Legacy Environmental Threats (RULET) project, which hunts down potential sources of oil pollution from sunken vessels.[31][32]
Nasello  Regia Marina World War II: The auxiliary patrol vessel was shelled and sunk off the Gulf of Orosei, Sardinia by HMS Safari ( Royal Navy).[33]
S. Francisco di Paola A.  Italy World War II: The sailing vessel was shelled and sunk off the Gulf of Orosei, Sardinia by HMS Safari ( Royal Navy).[33]
SF 78  Kriegsmarine The Siebel ferry was lost on this date.[34]
SF 104  Luftwaffe The Siebel ferry foundered in a storm in the Mediterranean Sea between Sicily and Tunisia.[34][35]
SF 196  Luftwaffe The Siebel ferry foundered in a storm in the Mediterranean Sea between Sicily and Tunisia.[34][35]
SF 203  Luftwaffe The Siebel ferry foundered in a storm in the Mediterranean Sea between Sicily and Tunisia.[34][35]
SF 223  Luftwaffe The Siebel ferry foundered in a storm in the Mediterranean Sea between Sicily and Tunisia.[34][35]
Tosei Maru  Imperial Japanese Navy World War II: The fleet supply ship was torpedoed and sunk 5 nautical miles (9.3 km) south of Tori Shima (30°14′N 139°45′E) by USS Pollack ( United States Navy). One passenger was killed.[36]
Toyo Maru  Japan World War II: The cargo ship was torpedoed and sunk in the Pacific Ocean by USS Haddock ( United States Navy).

4 April

For the foundering of the British cargo ship Nagara on this day, see the entry for 29 March 1943.

List of shipwrecks: 4 April 1943
ShipCountryDescription
Altair  Kriegsmarine World War II: The supply ship was torpedoed and sun off Kristiansund, Norway by aircraft of Coastal Command, Royal Air Force.[3][37]
Koa Maru  Japan World War II: The cargo ship was torpedoed and sunk in the Pacific Ocean off the Jaluit Atoll, Marshall Islands (13°11′N 161°57′E) by USS Porpoise ( United States Navy).[38][39]
Patria  Germany World War II: The cargo ship was bombed and sunk off Stavanger, Norway by aircraft of Coastal Command.[3][40]
Rygja  Norway World War II: The cargo ship struck a mine and sank in the North Sea off Skagen, Denmark with the loss of a crew member.[41]
Sicilia  Regia Marina World War II: The hospital ship was sunk by an American air raid against Naples, Tunisia.[6]
Uragio Maru  Japan U.S. aircraft sank the 3,110-ton cargo ship in Kiska Harbor on Kiska Island in the Aleutian Islands. Uragio Maru had not been seaworthy since she suffered damage in an U.S. air attack on Kiska on 31 December 1942 and in a violent storm that struck Kiska on 4 January 1943.[42]
V 1252  Kriegsmarine The Vorpostenboot collided with FlJ 27 Schiewenhorst ( Kriegsmarine) and sank in the North Sea off Borkum.[3]

5 April
List of shipwrecks: 5 April 1943
ShipCountryDescription
Aloe  United Kingdom World War II: The cargo ship was torpedoed and sunk in the Indian Ocean 420 nautical miles (780 km) south east of Durban, South Africa (32°37′S 37°50′E) by U-182 ( Kriegsmarine). All 47 crew survived. The captain was taken on board U-182 as a prisoner of war. The rest of the crew were rescued by Alexander Ramsey ( United States).[43]
Blitar  Netherlands World War II: Convoy HX 231: The cargo ship romped ahead of the convoy. She was shelled and damaged in the Atlantic Ocean by U-229 ( Kriegsmarine). The next day, she was torpedoed and sunk (57°45′N 27°30′W) by U-632 ( Kriegsmarine) with the loss of 26 of her 62 crew.[44]
British Ardour  United Kingdom World War II: Convoy HX 231: The tanker was torpedoed and damaged in the Atlantic Ocean west of Ireland (58°08′N 34°04′W) by U-706 ( Kriegsmarine). All 62 crew were rescued by HMS Snowflake and HMS Vidette (both  Royal Navy), the former of which scuttled the ship.[45]
Ro-34  Imperial Japanese Navy World War II: The Kaichū VI (Ro-33-class) submarine was depth charged and sunk in the Pacific Ocean off the Russell Islands (8°15′S 158°58′E) by USS O'Bannon and USS Strong (both  United States Navy) with the loss of all 66 crew.
San Isidro  Spain World War II: The cargo ship was torpedoed and sunk in the Mediterranean Sea by Katsonis ( Greece Navy).[3]
Shillong  United Kingdom World War II: Convoy HX 231: The cargo ship was torpedoed and damaged in the Atlantic Ocean south east of Cape Farewell, Greenland by U-635 ( Kriegsmarine). She was the torpedoed and sunk (57°10′N 35°30′W) by U-630 ( Kriegsmarine) with the loss of 71 of her 78 crew. Survivors were rescued by Zamalek ( United Kingdom).[46]
Simeiz  Soviet Navy The tug was sunk by a mine off Cape Myskhako in the Black Sea. There were 8 killed and 13 survivors.[47][48]
SKA-095  Soviet Navy The MO-4-class patrol vessel was sunk by a mine off Cape Myskhako in the Black Sea.[49][47]
Sunoil  United States World War II: Convoy HX 231: The tanker straggled behind the convoy. She was torpedoed and damaged in the Atlantic Ocean by U-563 ( Kriegsmarine). She was later torpedoed and sunk at 58°16′N 34°14′W by U-530 ( Kriegsmarine) with the loss of all 69 crew.[50]
U-167  Kriegsmarine World War II: The Type IXC/40 submarine was depth charged and damaged in the Atlantic Ocean off the Canary Islands, Spain (approximately 27°47′N 15°00′W) by a Lockheed Hudson aircraft of 233 Squadron, Royal Air Force. She was scuttled the next day. All 52 crew survived.[51]
U-635  Kriegsmarine World War II: The Type VIIC submarine was depth charged and sunk in the Atlantic Ocean south east of Iceland (58°20′N 31°52′W) by a Consolidated B-24 Liberator aircraft of 120 Squadron, Royal Air Force with the loss of all 47 crew.[52]
Vaalaren  Sweden World War II: Convoy HX 231: The cargo ship romped ahead of the convoy. She was torpedoed and sunk in the Atlantic Ocean (approximately 58°N 34°W) by U-229 ( Kriegsmarine) with the loss of all 38 crew.[53]
Waroonga  United Kingdom World War II: Convoy HX 231: The cargo ship was torpedoed and damaged in the Atlantic Ocean by U-635 ( Kriegsmarine). She was then torpedoed and damaged further by U-630 ( Kriegsmarine) with the loss of 19 of the 132 people aboard. Survivors were rescued by Joel R. Poinsett ( United States) and HMS Loosestrife ( Royal Navy), which scuttled the ship.[54]

6 April
List of shipwrecks: 6 April 1943
ShipCountryDescription
Carridi  Regia Marina World War II: The naval trawler was sunk at Trapani, Sicily by Allied aircraft.[55]
John Sevier  United States World War II: Convoy GTMO 83: The Liberty ship was torpedoed and sunk in the Caribbean Sea 20 nautical miles (37 km) off Great Inagua Island, Cuba (20°17′N 73°32′W) by U-185 ( Kriegsmarine). All 57 crew were rescued by USS Bennett ( United States Navy).[56][57]
Josephina Thordén  United Kingdom World War II: The cargo ship struck a mine and sank in the Thames Estuary (51°47′18″N 1°28′42″E) with the loss of fifteen of her 55 crew.[58]
M 4041 Dr. Augustus Held  Kriegsmarine World War II: The auxiliary minesweeper struck a mine and sank in the Bay of Biscay off Le Verdon-sur-Mer, Gironde, France.[3]
MAS 533  Regia Marina World War II: The MAS 526-class torpedo boat was sunk at Trapani by Allied aircraft.[59]
MAS 576  Regia Marina World War II: The MAS 552-class torpedo boat was sunk at Trapani by Allied aircraft.[60]
Rovereto  Italy World War II: The cargo ship was bombed and sunk off Cape Zebib, Tunisia, by United States Army Air Force Boeing B-17 Flying Fortress aircraft. 45 crew members and 60 passengers were killed. There were 12 or 26 survivors, but one died of wounds.[3][61][62][63]
San Diego  Germany World War II: The cargo ship was bombed and sunk off Cape Zebib, Tunisia by United States Army Air Force Boeing B-17 Flying Fortress aircraft. All 125 men aboard were saved.[3][61][62]
Ste. Lucille  Germany World War II: The cargo ship was bombed and sunk at Trapani by Allied aircraft.[64]
U-632  Kriegsmarine World War II: The Type VIIC submarine was depth charged and sunk in the Atlantic Ocean (58°02′N 28°42′W) by a Consolidated B-24 Liberator aircraft of 86 Squadron, Royal Air Force with the loss of all 48 crew.[65]
UJ 2202 Jutland  Kriegsmarine World War II: The submarine chaser was bombed and sunk in the Mediterranean Sea by American aircraft.[3]
VAS 202  Regia Marina World War II: The VAS 201-class submarine chaser was sunk at Trapani by Allied aircraft.[66]
Vilsandi  Soviet Union World War II: The cargo-liner was wrecked in Lake Ladoga. No casualties.[67]
Wa Wa  United States The 9-gross register ton, 34.1-foot (10.4 m) fishing vessel foundered at Chatham in Southeast Alaska.[68]

7 April
List of shipwrecks: 7 April 1943
ShipCountryDescription
USS Aaron Ward  United States Navy World War II: The Gleaves-class destroyer was bombed and sunk in Ironbottom Sound by Japanese aircraft with the loss of 27 of her 208 crew.
Fukuei Maru  Japan World War II: The cargo ship was torpedoed and sunk in the Pacific Ocean by USS Pickerel ( United States Navy).[27]
USS Kanawha  United States Navy World War II: The Kanawha-class replenishment oiler was bombed and damaged in Tulagi Harbour, Solomon Islands by Japanese aircraft and was beached. She sank the next day with a loss of 19 crew.[69]
Kosei Maru  Japan World War II: The cargo ship was torpedoed and heavily damaged in the Pacific Ocean (08°45′N 147°10′E) by USS Tunny ( United States Navy). Four crewmen were killed. She sank under tow two days later.[3][70][71]
HMNZS Moa  Royal New Zealand Navy World War II: The Bird-class minesweeper was bombed and sunk in Tulagi Harbour by Japanese aircraft with the loss of five of her 35 crew.
U-644  Kriegsmarine World War II: The Type VIIC submarine was torpedoed and sunk in the Norwegian Sea west of Narvik, Norway (69°38′N 5°40′W) by HMS Tuna ( Royal Navy) with the loss of all 45 crew.[72]

8 April
List of shipwrecks: 8 April 1943
ShipCountryDescription
Castillo Montealegre  Spain World War II: The cargo ship was torpedoed and sunk in the Atlantic Ocean off French Sudan (9°46′N 16°50′W) by U-123 ( Kriegsmarine) with the loss of 12 of her 43 crew. Survivors were rescued by HMS Inkpen ( Royal Navy).[73][74][75][76]
Foggia  Italy World War II: The cargo ship was torpedoed and sunk in the Mediterranean Sea off the coast of Tunisia by HMS Unshaken ( Royal Navy).[3]
No. 045  Soviet Navy World War II: The MO-4-class patrol vessel was lost on this date.[49]
No. 054  Soviet Navy World War II: The MO-4-class patrol vessel was lost on this date.[49]
Toyo Maru  Japan World War II: The cargo ship was bombed and sunk off Rabaul, New Guinea by Consolidated B-24 Liberator aircraft of the United States Army Air Force.[3]
U-733  Kriegsmarine The Type VIIC submarine collided with a Kriegsmarine patrol boat and sank at Gotenhafen. She was raised, repaired and returned to service in December 1943.[3]

9 April
List of shipwrecks: 9 April 1943
ShipCountryDescription
Bamako  Free France World War II: The cargo ship was torpedoed and sunk in the Atlantic Ocean off Dakar, Senegal (14°57′N 17°15′W) by U-515 ( Kriegsmarine) with the loss of six crew.[77]
Bella Italia  Regia Marina World War II: The auxiliary minesweeper was torpedoed and sunk off Cape Carbonara, Sardinia by HMS Safari ( Royal Navy).[3][33]
Isonami  Imperial Japanese Navy World War II: The Fubuki-class destroyer was torpedoed and sunk in the Banda Sea 35 nautical miles (65 km) south east of Wangi-wangi Island, Netherlands East Indies (5°26′S 123°04′E) by USS Tautog ( United States Navy) with the loss of seven of her 219 crew.
Oyama Maru  Japan World War II: The cargo ship (a.k.a. Yuzan Maru) was torpedoed and sunk 250 nautical miles (460 km) north north west of Kavieng, New Ireland (00°38′N 150°17′E), by USS Drum ( United States Navy). Four crewmen were killed.[78]
Penang Maru  Japan World War II: The cargo ship was torpedoed and sunk in the Banda Sea (5°29′S 123°02′E) by USS Tautog ( United States Navy). Thirteen troops, one Guard and two crewmen were killed.[79][80]
Shanghai Maru  Japan World War II: The cargo ship was torpedoed and sunk in the Isla Verde Passage by USS Grayling ( United States Navy).[81]

10 April
List of shipwrecks: 10 April 1943
ShipCountryDescription
Entella  Italy World War II: The cargo ship ran aground at Torre Finocchio, Sardinia while avoiding torpedoes fired HMS Safari ( Royal Navy). The same submarine destroyed the wreck with torpedoes the next day. The whole crew was saved.[3][33]
Irene  Germany World War II: The blockade runner was shelled and sunk in the Atlantic Ocean (43°18′N 14°26′W) by HMS Adventure ( Royal Navy). The entire ship's company, including more than 100 personnel of the Kriegsmarine, were rescued by Adventure.[82]
Isonzo  Regia Marina World War II: The tanker was torpedoed and sunk in the Tyrrhenian Sea east of Cagliari by HMS Safari ( Royal Navy) with the loss of 9 lives.[3][6][33]
Loredan  Regia Marina World War II: The auxiliary cruiser was torpedoed and sunk in the Tyrrhenian Sea east of Cagliari by HMS Safari ( Royal Navy) with the loss of 15 lives.[3][6][33]
MAS 501 and MAS 503  Regia Marina World War II: The MAS motor torpedo boats were bombed and sunk at La Maddelena, Sardinia by Boeing B-17 Flying Fortress aircraft of the United States Twelfth Air Force.[3][83]
Trieste  Regia Marina World War II: The Trento-class cruiser was bombed and sunk at La Maddelena, Sardinia by Boeing B-17 Flying Fortress aircraft of the United States Twelfth Air Force. 77 crewmen and 2 civilians were killed. She was raised post-war and sold to Spain in 1951 for a proposed conversion to an aircraft carrier. This was not proceeded with and she was subsequently scrapped.[3][84]

11 April
List of shipwrecks: 11 April 1943
ShipCountryDescription
Abisko  Sweden World War II: The cargo ship struck a mine and sank in the North Sea off Schiermonnikoog, Friesland, Netherlands. One man was killed.[3][85][86]
HMS Beverley  Royal Navy World War II: Convoy ON 176: The Town-class destroyer was torpedoed and sunk in the Atlantic Ocean (52°19′N 40°28′W by U-188 ( Kriegsmarine) with the loss of 148 of her 152 crew.
Edward B. Dudley  United States World War II: Convoy HX 232: The Liberty ship straggled behind the convoy. She was torpedoed and sunk in the Atlantic Ocean (approximately 53°N 38°W / 53°N 39°W) by U-615 ( Kriegsmarine) with the loss of all 69 crew.[87][88]
Empire Whimbrel  United Kingdom World War II: The cargo ship was torpedoed and sunk in the Atlantic Ocean 400 nautical miles (740 km) south south west of Freetown, Sierra Leone (2°31′N 15°55′W) by U-181 ( Kriegsmarine). All 53 crew were rescued by HMS Witch and HMS Wolverine (both  Royal Navy).[89][90]
F 477C2  Kriegsmarine World War II: The MFP-C2 landing craft was sunk on this date.[91]
Fabriano  Italy World War II: The cargo ship was torpedoed and sunk in the Mediterranean Sea by aircraft based on Malta.[3]
Frode  Norway World War II: The coaster struck a mine and sank in the English Channel off the coast of Sussex, United Kingdom (50°45′48″N 0°28′43″W) with the loss of eight of her nineteen crew.[92]
Ingerfire  Norway World War II: Convoy ONS 2: The cargo ship straggled behind the convoy. She was torpedoed and sunk in the Atlantic Ocean (51°29′N 42°59′W) by U-613 ( Kriegsmarine) with the loss of eight of her 36 crew. Survivors were rescued by HMCS Camrose and HMCS St. Croix (both  Royal Canadian Navy).[93]
James W. Denver  United States World War II: Convoy UGS 7: The Liberty ship straggled behind the convoy. She was torpedoed and sunk in the Atlantic Ocean 475 nautical miles (880 km) west of the Canary Islands, Spain (28°46′N 25°40′W) by U-195 ( Kriegsmarine) with the loss of two of her 67 crew. Survivors were rescued by Cabo Huertas, Campana, Juan (all  Spain) and Albufeira ( Portugal) rescued eighteen survivors on 16 May. The remainder of her crew reached land in their lifeboat.[94][95]
MS 13  Regia Marina World War II: The MS 11-class MS boat was sunk at Trapani by Allied aircraft.[96]
Matt W. Ransom  United States World War II: Convoy UGS 6A: The Liberty ship, on her maiden voyage struck two mines in the Mediterranean Sea off Casablanca, Morocco (33°55′N 7°52′W) and was damaged. She was abandoned by her 64 passengers and crew, who were rescued by USS PC-471 and USS PC-481 (both  United States Navy). She was later reboarded by seven of her crew and taken to Casablanca for temporary repairs. Later scuttled as a blockship at Utah Beach, France.[97]
RD 20  Regia Marina World War II: The RD-class minesweeper was sunk at Trapani by Allied aircraft. Raised, repaired, and returned to service post war.[98]
Recina  Yugoslavia World War II: The cargo ship was torpedoed and sunk in the Pacific Ocean east of Australia by I-26 ( Imperial Japanese Navy).[3]
Runo  United Kingdom World War II: The cargo ship was torpedoed and sunk in the Mediterranean Sea 60 nautical miles (110 km) north of Bardia, Libya (32°15′N 23°55′E) by U-593 ( Kriegsmarine) with the loss of 16 of her 37 crew.[99]

12 April
List of shipwrecks: 12 April 1943
ShipCountryDescription
Fresno City  United Kingdom World War II: Convoy HX 232: The cargo ship was torpedoed and damaged in the Atlantic Ocean south east of Cape Farewell, Greenland by U-563 ( Kriegsmarine). She then straggled behind the convoy and was later torpedoed and sunk (54°15′N 30°00′W) by U-706 ( Kriegsmarine). All 45 crew were rescued by HMS Azalea ( Royal Navy).[100]
Froy  Norway World War II: The fishing vessel was sunk off Harstad by grenades launche by the crew of K-21 ( Soviet Navy). One crew was killed and another died of wounds. The submarine attacked others fishing vessels in the area, sinking none but killing 8 of their crew and capturing 10, of which 3 died in captivity.[101]
Lancastrian Prince  United Kingdom World War II: Convoy ON 176: The cargo ship was torpedoed and sunk in the Atlantic Ocean north east of Newfoundland (50°18′N 42°48′W) by U-404 ( Kriegsmarine) with the loss of all 45 crew.[102]
Pacific Grove  United Kingdom World War II: Convoy HX 232: The cargo ship was torpedoed and sunk in the Atlantic Ocean south east of Cape Farewell (54°10′N 30°00′W) by U-563 ( Kriegsmarine) with the loss of 11 of the 67 people aboard. Survivors were rescued by HMS Azalea ( Royal Navy).[103]
St Lucien Vichy France world War II: The cargo ship was torpedoed and sunk in the Mediterranean Sea by HMS Unruly ( Royal Navy). The whole crew was saved.[3][104]
Sydney Maru  Japan World War II: The cargo ship was bombed and sunk in Hansa Bay, New Guinea (03°18′N 143°38′E) by United States Fifth Air Force B-17 Flying Fortresses and B-24 Liberators. 38 crewman and 5 gunners killed.[105]
Ulysses  Netherlands World War II: Convoy HX 232: The cargo ship was torpedoed and sunk in the Atlantic Ocean south east of Cape Farewell (54°30′N 30°30′W) by U-563 ( Kriegsmarine). All 41 crew were rescued by HMS Azalea ( Royal Navy).[106]

13 April
List of shipwrecks: 13 April 1943
ShipCountryDescription
HNoMS Eskdale  Royal Norwegian Navy World War II: Convoy PW 323: The Hunt-class destroyer was torpedoed and sunk in the English Channel off Lizard Head, Cornwall by S-90 and S-112 (both  Kriegsmarine). 25 crewmen killed.[107]
Portland  Germany World War II: The cargo ship was scuttled in the Indian Ocean when intercepted by Georges Leygues ( French Navy).[3]
Santa Irene  Portugal World War II: The cargo ship was torpedoed and sunk in the Tyrrhenian Sea east of Cagliari, Sardinia, Italy by HMS Taurus ( Royal Navy).[3]

14 April
List of shipwrecks: 14 April 1943
ShipCountryDescription
Emile Allard  France World War II: The buoy tender was strafed and sunk off Brest, France by Westland Whirlwind fighter-bombers of 263 Squadron, Royal Air Force with the loss of 3 of her 14 crew.[108][109]
Pasvik  Norway World War II: The icebreaking tug struck a mine and sank in Varangerfjord, Norway, (69°55′N 30°00′E) with the loss of nine Norwegian crew. Another source says all 11 aboard were killed, possibly including 2 German.[110][111]
Penerf Vichy France World War II: The cargo ship was torpedoed and sunk in the Mediterranean Sea off Nice by HMS Ultor ( Royal Navy). 23 of the 38 men aboard were killed.[3][112]
Stanlake  United Kingdom World War II: Convoy PW 323: The cargo ship was torpedoed and sunk in the English Channel off The Lizard, Cornwall by S 82, S 90 and S 112 (all  Kriegsmarine).[3]
U-526  Kriegsmarine World War II: The Type IXC/40 submarine struck a mine and sank in the Bay of Biscay off Lorient, Morbihan, France (47°30′N 3°45′W) with the loss of 42 of her 54 crew.[113]
Van Heemskerk  Netherlands World War II: The cargo ship was bombed and sunk in Milne Bay by Japanese aircraft with the loss of four lives.[3][114]

15 April
List of shipwrecks: 15 April 1943
ShipCountryDescription
HMT Adonis  Royal Navy World War II: The naval trawler was torpedoed and sunk in the North Sea off Lowestoft, Suffolk, United Kingdom by an E-boat ( Kriegsmarine) with the loss of 20 of her 31 crew.[115]
Archimede  Regia Marina World War II: The Brin-class submarine was bombed and sunk in the Atlantic Ocean off Brazil (03°23′S 30°28′W) by a USN Consolidated PBY of Squadron VP 83.[116]
Borgå  Germany World War II: The cargo ship was torpedoed and sunk in the North Sea 25 nautical miles (46 km) north east of Borkum, Germany, by Bristol Beaufighter aircraft of the Royal Air Force with the loss of two crew.[3][117]
Clan MacIndoe  United Kingdom The cargo ship caught fire in the Mediterranean Sea off Alexandria, Egypt. She was beached on 27 April, but declared a total loss.[14]
India Maru  Imperial Japanese Army World War II: The Daifuku Maru No. 1-class transport was bombed and sunk near Kairiru Island (03°12′N 143°43′E) by Boeing B-17 Flying Fortress aircraft of the United States Fifth Air Force. Three gunners and seven crew were killed.[118]
Kaihei Maru  Imperial Japanese Navy World War II: The cargo ship was torpedoed and sunk in the Pacific Island off the Bonin Islands (21°13′N 152°24′E) by USS Seawolf ( United States Navy). Four crewmen were killed.[119][120]
M 5613 Christa  Kriegsmarine The minesweeper ran aground at Odderøy, Norway and was wrecked.[3]
Netztender 14 Simon  Kriegsmarine World War II: The net tender was sunk by a mine in the Baltic Sea.[121]
Shchuka  Soviet Union World War II: The defecting motorboat was shelled and sunk by MO-123 and MO-133 (both  Soviet Navy).[122]
Simson  Germany World War II: The tugboat struck a mine and sank off Wrangel Island.[123]
USS YP-4536  United States Navy The yard patrol craft ran aground and sank on the Bahama Bank.[124]

16 April
List of shipwrecks: 16 April 1943
ShipCountryDescription
Cigno  Regia Marina World War II: Battle of the Cigno Convoy: The Spica-class torpedo boat was torpedoed and sunk in the Mediterranean Sea south-east of Marettimo Island by HMS Pakenham and HMS Paladin (both  Royal Navy). 103 crew were killed.[125]
Giacomo Medici  Regia Marina World War II: The Giuseppe La Masa-class destroyer was sunk at Catania by American aircraft. The whole crew survived.[126][127]
King Edwin  United Kingdom The cargo ship caught fire at Malta and was scuttled. She was raised in 1945, towed out to sea and sunk.[128]
HMS Pakenham  Royal Navy World War II: Battle of the Cigno Convoy: The P-class destroyer was shelled and crippled in the Mediterranean Sea off Marettimo, Italy by Cassiopea and Cigno (both  Regia Marina). She was scuttled by HMS Paladin ( Royal Navy). Ten crew were lost.[107]
HSwMS Ulven  Swedish Navy World War II: The submarine struck a mine and sank in the Skagerrak west of Marstrand with the loss of all 33 crew.

17 April
List of shipwrecks: 17 April 1943
ShipCountryDescription
Amaho Maru  Imperial Japanese Navy World War II: The cargo ship was torpedoed and sunk in the Pacific Ocean (42°00′N 143°20′E) by USS Flying Fish ( United States Navy) with the loss of eight lives.[129][130]
Arizona  Germany World War II: The cargo ship was sunk in an Allied air raid on Palermo, Sicily, Italy. She was refloated on 22 October 1946 but ran aground whilst under tow and was declared a total loss.[1]
Fort Rampart  United Kingdom World War II: The Fort ship was torpedoed and sunk in the Atlantic Ocean (47°22′N 21°58′W) by U-226 and U-668 (both  Kriegsmarine).[131]
HMS LCP(R) 780  Royal Navy World War II: The landing craft personnel (ramped) was lost on this date.[132]
HMS LCP(R) 782  Royal Navy World War II: The landing craft personnel (ramped) was lost on this date.[132]
Monginevro  Italy World War II: The cargo ship was torpedoed and sunk in the Mediterranean Sea off Zembretta by HMMTB 634 and HMMTB 656 ( Royal Navy). There was no casualty.[133][134]
Nisshin Maru No. 2  Japan World War II: The transport was damaged, probably by a mine, in the East China Sea and was abandoned. She eventually drifts ashore on Formosa and is later scrapped.[135]
Sembilan  Netherlands World War II: The cargo ship was torpedoed and sunk in the Indian Ocean south of Mauritius (31°30′S 33°30′E) by Leonardo da Vinci ( Regia Marina). Only one crew member survived, all other 85 people aboard were killed.[3][136]
Shinnan Maru or Tatshunan Maru  Japan World War II: The cargo ship struck a mine and sank off Bougainville Island, Solomon Islands.[3]
U-175  Kriegsmarine
U-175

World War II: The Type IXC submarine was depth charged and sunk in the Atlantic Ocean (47°53′N 22°04′W) by USCGC Spencer ( United States Navy) with the loss of 13 of her 54 crew. The survivors were rescued by USCGC Spencer and USCGC Duane (both  United States Navy) and made prisoners of war.

18 April
List of shipwrecks: 18 April 1943
ShipCountryDescription
Arno  Kriegsmarine World War II: The cargo ship was torpedoed and damaged in the Bay of Biscay west of Lorient, Morbihan, France by aircraft of Coastal Command, Royal Air Force. She sank on 21 April at Corcubión, Spain.[137]
Corbis  United Kingdom World War II: The tanker was torpedoed and sunk in the Indian Ocean 500 nautical miles (930 km) east south east of Port Elizabeth, South Africa (34°56′S 34°03′E) by U-180 ( Kriegsmarine) with the loss of 50 of her 60 crew. Survivors were rescued by a South African Air Force rescue boat.[138]
Empire Bruce  United Kingdom World War II: The cargo ship was torpedoed and sunk in the Atlantic Ocean (6°40′N 13°17′W) by U-123 ( Kriegsmarine). All 49 crew were rescued by HMMMS 107 ( Royal Navy).
Fort Rampart  United Kingdom World War II: Convoy HX 233: The Fort ship straggled behind the convoy. She was torpedoed and damaged in the Atlantic Ocean (47°22′N 21°58′W) by U-628 ( Kriegsmarine). She was later torpedoed again by U-628 and then torpedoed, shelled and sunk 900 nautical miles (1,700 km) east north east of the Azores, Portugal (47°28′N 22°00′W) by U-226 ( Kriegsmarine) with the loss of six of her 56 crew. Survivors were rescued by HMCS Arvida ( Royal Canadian Navy).[139]
Høegh Carrier  Norway World War II: The cargo ship was bombed and sunk in the North Sea off Den Helder, Netherlands by Bristol Beaufighter aircraft of the Royal Air Force with the loss of two of her crew.[3][140]
Liv  Italy World War II: The cargo ship was bombed and sunk at Porto Torres, Sardinia by Royal Air Force aircraft. She was later refloated.[141]
Manaar  United Kingdom World War II: The cargo ship was torpedoed and sunk in the Indian Ocean south of Mauritius by Leonardo da Vinci ( Regia Marina).[3]
Nisshun Maru  Imperial Japanese Navy World War II: The ammunition transport was torpedoed and sunk 200 nautical miles (370 km) north north west of Mussau Island, Bismarck Archipelago (01°55′N 148°24′E) by USS Drum ( United States Navy). 35 crewmen killed. Survivors rescued by CH-18 ( Imperial Japanese Navy).[142]
HMS P615  Royal Navy World War II: The Oruç Reis-class submarine was torpedoed and sunk in the Atlantic Ocean (6°49′N 13°09′W) by U-123 ( Kriegsmarine) with the loss of all 43 crew.[107]
HMS Regent  Royal Navy World War II: The Rainbow-class submarine struck a mine and sank in the Strait of Otranto with the loss of all 63 crew.[107]
UJ 2205 Le Jacques Coeur  Kriegsmarine World War II: The submarine chaser was torpedoed and sunk in the Mediterranean Sea north north west of Isola di Femmine, Sicily, (38°15′N 13°13′E) by HMS Unseen ( Royal Navy). Four crewmen killed. Survivors rescued by VAS 207 and VAS 230 (both  Regia Marina).[3]
Unknown and Unknown  Soviet Union World War II: The seiners were sunk in the Black Sea by German R boats and S boats.[143]
V 1409 Limburgia  Kriegsmarine World War II: The Vorpostenboot was torpedoed and sunk in the Seine Bay by HMMGB 38 and HMMGB 39 (both  Royal Navy).[3]
USS YC-891  United States Navy World War II: The unpowered covered lighter sank while under tow off Key West, Florida.[144]

19 April
List of shipwrecks: 19 April 1943
ShipCountryDescription
Alpino  Regia Marina World War II: The Soldati-class destroyer was sunk at La Spezia by British aircraft of the Bomber Command. 48 crewmen were killed.[145][146]
Banshu Maru No. 5  Japan World War II: The cargo ship was torpedoed and sunk in the Pacific Ocean by USS Seawolf ( United States Navy).[3]
Bivona  Italy World War II: The cargo ship was torpedoed and sunk in the Mediterranean Sea by HMS Unrivalled ( Royal Navy).[3]
Francesco Crispi  Italy World War II: The cargo ship was torpedoed and sunk in the Tyrrhenian Sea off Elba by HMS Saracen ( Royal Navy).[3]
Mostaganem  Italy World War II: The cargo ship which was carrying Allied prisoners was bombed and damaged in the Mediterranean Sea by American aircraft. She was then torpedoed and sunk by HMS Unrivalled ( Royal Navy).[3]
Robert Gray  United States World War II: Convoy HX 234: The Liberty ship straggled behind the convoy. She was torpedoed and sunk in the Atlantic Ocean (50°57′N 40°35′W) by U-108 ( Kriegsmarine) with the loss of all 62 crew.[147][148]
TKA-84  Soviet Navy World War II: The G-5-class motor torpedo boat was sunk by German aircraft in the Black Sea. There was one survivor.[149][150]

20 April
List of shipwrecks: 20 April 1943
ShipCountryDescription
El Amirante  Panama World War II: Convoy HX 235: The cargo ship foundered in the Atlantic Ocean in a storm. She had previously been in collision with Elias Boudinot ( United States).[151]
Lena Luckenbach  United States World War II: Convoy HX 233: The cargo ship collided with James Fenimore Cooper ( United States) in the Atlantic Ocean and was abandoned by her 62 crew, who were rescued by Lightning ( United States). Lena Luckenbach was boarded by a salvage party from HMS Bergamot ( Royal Navy) and beached at Kames Bay. She was later repaired and returned to service.[152]
Meiji Maru No.1  Imperial Japanese Navy World War II: The auxiliary gunboat was torpedoed and sunk in the Pacific Ocean off Honshu, Japan (37°10′N 141°25′E) by USS Scorpion ( United States Navy) with the loss of 9 crewmen.[153][154][155]
Michigan  United States World War II: Convoy UGS 7: The Design 1013 cargo ship was torpedoed and sunk in the Mediterranean Sea 60 nautical miles (110 km) west of Oran, Algeria (35°59′N 1°25′W) by U-565 ( Kriegsmarine). All 61 people on board were rescued by HMS Foxtrot and HMT Stella Carina (both  Royal Navy).[156]
Sidi-Bel-Abbès  France World War II: Convoy UGS 7: The troopship was torpedoed and sunk in the Mediterranean Sea 10 nautical miles (19 km) north of the Habibas Islands, Algeria (35°59′N 1°25′W) by U-565 ( Kriegsmarine) with the loss of 611 of the 1,131 people on board. Lifeboats from Michigan ( United States) rescued many of the Senegalese soldiers on board.[157]
Suceava  Kingdom of Romania World War II: The cargo ship was torpedoed and sunk in the Black Sea (44°53′N 31°24′E) by S-33 ( Soviet Navy). There were 28 dead and 70 survivors.[158]

21 April
List of shipwrecks: 21 April 1943
ShipCountryDescription
Ashantian  United Kingdom World War II: Convoy ONS 3: The cargo ship was torpedoed and sunk in the Atlantic Ocean north east of St. John's, Newfoundland (55°46′N 45°14′W) by U-415 ( Kriegsmarine) with the loss of 16 of her 67 crew. Survivors were rescued by HMT Northern Gift ( Royal Navy).[159]
Erich Ohlrogge  Germany World War II: The cargo ship struck a mine and sank off eastern Jutland, Denmark.[160]
Flora Alberta  Canada The fishing schooner collided with British steamer Fanad Head approximately 140 kilometres (76 nmi) southeast of Halifax, Nova Scotia. The ship was sliced in half and subsequently sunk, with the loss of 21 of her 28 crew.[161]
USS Grenadier  United States Navy World War II: The Tambor-class submarine was bombed and damaged in the Strait of Malacca off Penang, Malaya by Japanese aircraft. She was consequently scuttled by her crew the next day at 6°30′N 97°40′E. All 76 crew were taken as prisoners of war.
John Drayton  United States World War II: The Liberty ship was torpedoed and sunk in the Indian Ocean (32°10′S 34°50′E) by Leonardo da Vinci ( Regia Marina). Fourteen survivors were rescued on 27 April by HMS Relentless ( Royal Navy). Eight of 24 originally in a second lifeboat are rescued on 21 May. Six gunners and 21 crewmen die in the sinking or in the ordeal in the lifeboats.[56]
KT 7  Kriegsmarine World War II: The transport ship was sunk in the Mediterranean Sea by HMS Laforey, HMS Loyal and HMS Lookout (all  Royal Navy).[3]
Marco Foscarini  Italy World War II: The cargo ship was torpedoed and sunk by HMS Unison ( Royal Navy) in the Strait of Sicily west of Marsala, Italy (37°50′N 11°30′E).[162]
Scebeli  Norway World War II: Convoy ON 178: The cargo ship was torpedoed and sunk in the Atlantic Ocean (56°07′N 44°26′W) by U-191 ( Kriegsmarine) with the loss of two of her 40 crew. Survivors were rescued by HMS Kale ( Royal Navy).[163]
HMS Splendid  Royal Navy World War II: The S-class submarine was shelled and damaged in the Mediterranean Sea off Corsica, France by Hermes ( Kriegsmarine) with the loss of 18 of her 45 crew. She was scuttled to prevent capture before the survivors were rescued and taken as prisoners of war.
Wanstead  United Kingdom World War II: Convoy ONS 3: The cargo ship straggled behind the convoy. She was torpedoed and damaged in the Atlantic Ocean south east of Cape Farewell, Greenland by U-415 ( Kriegsmarine) with the loss of two of her 50 crew. Survivors were rescued by HMT Northern Gift and HMS Poppy (both  Royal Navy). Wanstead was later torpedoed and sunk by U-413 ( Kriegsmarine).[164]

22 April
List of shipwrecks: 22 April 1943
ShipCountryDescription
Amerika  United Kingdom World War II: Convoy HX 234: The cargo liner straggled behind the convoy. She was torpedoed and sunk in the Atlantic Ocean (57°30′N 42°50′W) by U-306 ( Kriegsmarine) with the loss of 86 of the 130 people on board. Survivors were rescued by HMS Asphodel ( Royal Navy).[165]
Duna  Germany World War II: The cargo ship struck a German mine and sank in Lyngefjord. There were 9 dead and 12 survivors.[3][111]
HMS Herring  Royal Navy The Fish-class trawler was sunk in a collision with Cassard ( France) 2 nautical miles (3.7 km) north of Buoy No. 20, north east of Blyth, Northumberland.[166]
Milano  Regia Marina World War II: The minesweeper was torpedoed and sunk in the Mediterranean Sea by HMS Unbroken ( Royal Navy).[3]
Valente  Italy World War II: The tug was attacked and set afire off Cape Vaticano by HMS Sahib ( Royal Navy).[3]
Yamazatu Maru  Japan World War II: The cargo ship was torpedoed and sunk in the Strait of Malacca by HNLMS O 21 ( Royal Netherlands Navy).[3]

23 April
List of shipwrecks: 23 April 1943
ShipCountryDescription
DB-5  Soviet Navy World War II: The No. 1-class landing boat was lost on this date.[167]
PB-39  Imperial Japanese Navy
P-39 Tade seen through the periscope of USS Seawolf

World War II: The No.31-class patrol boat was torpedoed and sunk in the East China Sea off Yonaguni Island (23°48′N 122°42′E) by USS Seawolf ( United States Navy).[3][119][168]

U-189  Kriegsmarine World War II: The Type IXC/40 submarine was depth charged and sunk in the Atlantic Ocean east of Cape Farewell, Greenland by a B-24 bomber of 120 Squadron, Royal Air Force with the loss of all 54 crew.[169]
U-191  Kriegsmarine World War II: The Type IXC/40 submarine was depth charged and sunk in the Atlantic Ocean south east of Cape Farewell (56°45′N 36°25′W) by HMS Hesperus ( Royal Navy) with the loss of all 55 crew.
USS YP-422  United States Navy The yard patrol craft ran aground and sank on the Tumbo Reef, 3 nautical miles (5.6 km) south east of the North Bulari Passage, New Caledonia.[170]

24 April
List of shipwrecks: 24 April 1943
ShipCountryDescription
Aquino  Italy World War II: The cargo ship was bombed and sunk in the Mediterranean Sea by American aircraft.[3]
El Estero  Panama
El Estero
After loading ammunition, the cargo ship caught fire at the New York Port of Embarkation's Caven Point Terminal off Jersey City, New Jersey.[171] To avoid a disastrous explosion, the ship was towed into an area of shallow water near Robbins Reef Light in Upper New York Bay, where the New York City Fire Department fireboats Fire Fighter and John J. Harvey (both  United States) deliberately sank her by pouring water into her holds.[172] She was later raised and towed out of the harbor for use as a naval gunnery target.
Galiola  Regia Marina World War II: The transport was torpedoed and sunk in the Mediterranean Sea off Capo di Milazzo, Sicily, Italy by HMS Sahib ( Royal Navy).[173][174]
Kasuga Maru  Imperial Japanese Navy World War II: The cargo ship was torpedoed and sunk in the Tsugaru Strait (41°42′N 141°20′E) by USS Flying Fish ( United States Navy) with the loss of 27 lives.[175][176]
Kowarra  Australia World War II: The cargo ship was torpedoed and sunk 35 nautical miles (65 km) north east of Sandy Cape, Queensland, Australia (24°26′S 153°44′E) by I-26 ( Imperial Japanese Navy). Her master, nineteen crewmen, and a gunner were killed. Eleven survivors were rescued by USS SC-747 ( United States Navy).[177]
No. 058  Soviet Navy World War II: The MO-4-class patrol vessel was lost on this date.[49]
SF 217  Luftwaffe World War II: The Siebel ferry was bombed and sunk in the Mediterranean Sea between Marsala and Tunisia.[34][178]
HMS Sahib  Royal Navy World War II: The S-class submarine was depth charged and damaged in the Mediterranean Sea off Capo di Milazzo, Sicily, Italy by Luftwaffe Junkers Ju 88, then attacked by Climene, Gabbiano, and Euterpe, (all  Regia Marina). She was scuttled by her crew; all 48 were rescued and taken as prisoners of war, one died of wounds later.[173]
Santa Catalina  United States World War II: The Type C2-S-B1 cargo ship was torpedoed and sunk in the Atlantic Ocean 370 nautical miles (690 km) north east of Cape Hatteras, North Carolina (30°42′N 70°58′W) by U-129 ( Kriegsmarine). All 95 people on board were rescued by Venezia ( Sweden).[179]
U-710  Kriegsmarine World War II: The Type VIIC submarine was depth charged and sunk in the Atlantic Ocean south of Iceland (61°25′N 19°48′W) by a Boeing B-17 Flying Fortress aircraft of 206 Squadron, Royal Air Force with the loss of all 49 crew.[180]

25 April
List of shipwrecks: 25 April 1943
ShipCountryDescription
Doryssa  United Kingdom World War II: The tanker was torpedoed and sunk in the Indian Ocean by Leonardo da Vinci ( Regia Marina).[181]
HMS LCS(M) 17  Royal Navy World War II: The landing craft support (mortar) was lost on this date.[182]
Leesee  Germany World War II: The cargo ship was torpedoed and sunk in the White Sea off the Makkaur Lighthouse, Norway by Soviet aircraft. There were 11 dead and 40 survivors.[3][111][183]
M-471  Kriegsmarine World War II: The minesweeper was bombed and sunk in the North Sea off Den Helder, the Netherlands.[184]
No. 0212  Soviet Navy World War II: The MO-4-class patrol vessel was lost on this date.[49]
Rosenborg  United Kingdom World War II: Convoy RU 71: The cargo ship straggled behind the convoy. She was torpedoed and sunk in the Atlantic Ocean (approximately 61°N 15°W) by U-385 ( Kriegsmarine) with the loss of 28 of her 30 crew. Survivors were rescued by Goodwin ( United Kingdom).[185]
Rouennais  France World War II: The cargo ship struck a mine and sank in the Atlantic Ocean off Casablanca, Morocco (34°04′N 7°23′W) with the loss of sixteen of her 55 crew.[186]
U-203  Kriegsmarine World War II: The Type VIIC submarine was depth charged and sunk in the Atlantic Ocean off Cape Farewell, Greenland (55°05′N 42°25′W) by Fairey Swordfish aircraft of 811 Squadron, Fleet Air Arm, based on HMS Biter and by HMS Opportune and HMS Pathfinder (all  Royal Navy) with the loss of ten of her 48 crew.
Wullenwever  Kriegsmarine World War II: The minelayer struck mines and sank in the Baltic Sea.[187]
USS YP-481  United States Navy The yard patrol boat grounded and was wrecked in the Atlantic Ocean off Charleston, South Carolina.[188]

26 April
List of shipwrecks: 26 April 1943
ShipCountryDescription
F 158A  Kriegsmarine World War II: The MFP-A landing craft was sunk on this date.[91]
Marmara  Kriegsmarine World War II: The MFP-C2 landing craft was sunk on this date.[91]
Limerick  United Kingdom World War II: The cargo ship was torpedoed and sunk in the Pacific Ocean 20 nautical miles (37 km) south east of Cape Byron, Australia (28°54′S 153°54′E) by I-177 ( Imperial Japanese Navy).[189]
R 114  Kriegsmarine World War II: The auxiliary minesweeper struck a mine and sank in the English Channel off the Pas-de-Calais coast.[3]
SF 166  Luftwaffe World War II: The Siebel ferry was bombed and sunk in the Mediterranean Sea between Marsala and Tunis.[34][178]
SF 167  Luftwaffe World War II: The Siebel ferry was bombed and sunk in the Mediterranean Sea between Marsala and Tunis.[34][178]
USS YP-47  United States Navy The yard patrol craft was sunk in the Ambrose Channel off Staten Island, New York in a collision with USS YMS-110 ( United States Navy).[190]

27 April
List of shipwrecks: 27 April 1943
ShipCountryDescription
Lydia M. Childs  United States World War II: The Liberty ship was torpedoed and sunk in the Pacific Ocean 100 nautical miles (190 km) off Port Stephens, New South Wales, Australia (33°08′S 153°24′E) by I-178 ( Imperial Japanese Navy). There were no casualties.[189][191]
M 4611 Etienne Rimbert  Kriegsmarine World War II: The minesweeper was sunk in the English Channel off St Helier, Jersey, Channel Islands by British aircraft. She was later refloated, repaired and returned to service.[3]
Merope  Netherlands World War II: The cargo ship was torpedoed and sunk in the Mediterranean Sea 10 nautical miles (19 km) east north east of Cape Bengut, Algeria with the loss of ten of her 34 crew.[192]
Trondhjemsfjord  Norway World War II: The cargo ship was bombed and sunk in the North Sea off the Ryvingen Lighthouse, Norway, by Allied aircraft.[193]
Yuzan Maru  Japan World War II: The cargo liner was torpedoed and sunk in the Pacific Ocean by USS Scorpion ( United States Navy).[154]
U-174  Kriegsmarine World War II: The Type IXC submarine was depth charged and sunk in the Atlantic Ocean south of Newfoundland (43°35′N 56°18′W) by Lockheed Ventura aircraft of the United States Navy with the loss of all 53 crew.[194]

28 April
List of shipwrecks: 28 April 1943
ShipCountryDescription
Butterfly  Italy World War II: The blockade runner, on passage from Saint-Nazaire to Le Havre with a strong Kriegsmarine escort, was torpedoed, shelled and sunk by the Hunt-class destroyers HMS Goathland and HMS Albrighton (both  Royal Navy) accompanied by a group of motor torpedo boats off Les Sept-Îles 4 nautical miles (7.4 km) north east of the Brittany village of Trégastel, Côtes-d'Armor.[70]
UJ 1402 Berlin  Kriegsmarine World War II: The submarine chaser was shelled and sunk while escorting the blockade runner Butterfly off Les Sept-Îles north-east of Trégastel in the department of Côtes-d'Armor, Brittany, France (48°54′N 3°48′W).[3][195]
Climene  Regia Marina World War II: The Spica-class torpedo boat was sunk west of Sicily by HMS Unshaken ( Royal Navy). There were 53 dead and 91 survivors.[196][197]
HMMTB 639  Royal Navy World War II: The Fairmile D motor torpedo boat was shelled and sunk off Pantellaria by Sagittario ( Regia Marina).[198]
Kamakura Maru  Japan World War II: The troopship was torpedoed and sunk in the Pacific Ocean by USS Gudgeon ( United States Navy) with the loss of 2,035 of the 2,500 people on board.
Ortelsburg  Germany World War II: Operation Mardonius: The cargo ship was sunk at Oslo, Norway, by saboteurs led by Max Manus.[199][200]
Impero  Regia Marina World War II: The auxiliary minesweeper was sunk in the Mediterranean Sea by HMMTB 633, HMMTB 637 and HMMTB 639 (all  Royal Navy).[3]
SF 214  Kriegsmarine The Siebel ferry was lost on this date.[34]
SF 217  Kriegsmarine The Siebel ferry was lost on this date.[34]
Tugela  Germany World War II: Operation Mardonius: The cargo ship was sunk at Oslo, Norway due to sabotage by the Norwegian resistance movement. She was later raised, repaired and returned to service.[193]

29 April
List of shipwrecks: 29 April 1943
ShipCountryDescription
Aludra  Germany World War II: The cargo ship was torpedoed and sunk in the North Sea off Terschelling, Friesland, Netherlands by Bristol Beaufighter aircraft of the Royal Air Force.[3]
Arkadia  Germany World War II: The cargo ship struck a mine and sank in the Black Sea off Constanța, Romania.[3]
Holland  Germany World War II: The tug struck a mine and sank in the North Sea off Drogden, Norway.[3]
McKeesport  United States World War II: Convoy ONS 5: The cargo ship was torpedoed and damaged in the Atlantic Ocean (60°52′N 34°20′W) by U-258 ( Kriegsmarine) with the loss of one of her 68 crew. Survivors were rescued by HMT Northern Gem ( Royal Navy). McKeesport was later torpedoed and sunk by U-258.
Nanking  Sweden World War II: The cargo ship was torpedoed and sunk in the Atlantic Ocean (5°10′N 11°10′W) by U-123 ( Kriegsmarine). All 32 crew survived.[201]
Narvik  Sweden World War II: The cargo ship was torpedoed and sunk in the North Sea off Terschelling (53°27′N 4°49′E) by Bristol Beaufighter aircraft of the Royal Air Force. All abord were saved.[3][202][203]
R 36  Kriegsmarine World War II: The minesweeper struck a mine and sank in the Black Sea off Constanța, Romania.[3]
Sturzsee  Germany World War II: The cargo ship was torpedoed and sunk by S-55 ( Soviet Navy) off Cape Nordkinn, Norway.[204][205]
Taifun  Germany World War II: The tug struck a mine and sank in the North Sea south of Drogden, Norway.[3]
U-332  Kriegsmarine World War II: The Type VIIC submarine was depth charged and sunk in the Bay of Biscay north of Cape Finisterre, Spain (45°08′N 9°33′W) by a Consolidated B-24 Liberator aircraft of 224 Squadron, Royal Air Force with the loss of all 45 crew.[206]
V 807 Auguste Kämpf  Kriegsmarine World War II: The Vorpostenboot was torpedoed and sunk in the North Sea off Terschelling by Bristol Beaufighter aircraft of the Royal Air Force.[3]
V 1408 Aue  Kriegsmarine World War II: The Vorpostenboot was torpedoed and sunk in the North Sea off IJmuiden, North Holland, Netherlands by Bristol Beaufighter aircraft of the Royal Air Force.[3]
Wollongbar  Australia World War II: The freighter was torpedoed and sunk in the Pacific Ocean 55 nautical miles (102 km) east south east of Smokey Cape, Australia (31°17′S 153°07′E) by I-180 ( Imperial Japanese Navy). Thirty-two crewmen were killed. Five survivors were rescued by trawler X.L.C.R. ( Australia).[207]

30 April
List of shipwrecks: 30 April 1943
ShipCountryDescription
Bandar Shahpour  United Kingdom World War II: Convoy TS 37: The cargo ship was torpedoed and sunk in the Atlantic Ocean 130 nautical miles (240 km) south west of Freetown, Sierra Leone (7°15′N 13°49′W) by U-515 ( Kriegsmarine) with the loss of one of the 78 people on board. Survivors were rescued by HMT Birdlip ( Royal Navy).[208]
Corabella  United Kingdom World War II: Convoy TS 37: The cargo ship was torpedoed and sunk in the Atlantic Ocean 130 nautical miles (240 km) south west of Freetown (7°15′N 13°49′W) by U-515 ( Kriegsmarine) with the loss of nine of her 48 crew. Survivors were rescued by HMT Birdlip ( Royal Navy).[209]
Ebisu Maru No. 5 Go  Imperial Japanese Navy The auxiliary guard boat was lost on this date.[210]
Fauna  Germany World War II: The transport ship was shelled and sunk in the Mediterranean Sea off the coast of Sicily by HMS Nubian and HMS Paladin (both  Royal Navy).[3]
Hermes  Kriegsmarine World War II: The Vasilefs Georgios-class destroyer was bombed and heavily damaged by British aircraft off Cape Bon, Tunisia. Twenty-three crewmen were killed. She was towed to La Goulette, Tunisia and scuttled there on 7 May.[211]
Kota Tjandi  Netherlands World War II: Convoy TS 37: The cargo ship was torpedoed and sunk in the Atlantic Ocean 130 nautical miles (240 km) south west of Freetown (7°15′N 13°49′W) by U-515 ( Kriegsmarine) with the loss of six of her 77 crew.[212]
Lampo  Regia Marina World War II: The Folgore-class destroyer was sunk in the Mediterranean Sea off Tunis by American aircraft.[213]
Leone Pancaldo  Regia Marina World War II: The Navigatori-class destroyer was bombed and sunk by aircraft north-north-east of Cape Bon.[214]
SS Malmö  Sweden World War II: The train ferry struck a mine off Copenhagen, Denmark and was beached on the Swedish coast.[3]
MAS 552  Regia Marina World War II: The MAS 552-class MAS boat was sunk in the Strait of Sicily by Allied aircraft with the loss of 8 lives.[60][215]
MS 25  Regia Marina World War II: The MS 11-class MS boat was sunk west of Sicily by Allied aircraft.[96]
Nagina  United Kingdom World War II: Convoy TS 37: The cargo ship was torpedoed and sunk in the Atlantic Ocean 130 nautical miles (240 km) south west of Freetown (7°19′N 13°50′W) by U-515 ( Kriegsmarine) with the loss of two of her 113 crew. Survivors were rescued by HMT Birdlip ( Royal Navy).[216]
Phoebe A. Hearst  United States World War II: The Liberty ship was torpedoed and sunk in the Pacific Ocean south of Fiji (20°07′S 177°33′E) by I-19 ( Imperial Japanese Navy). All hands were rescued; eight by a Consolidated PBY Catalina on 1 May, 23 by USS YMS-89 ( United States Navy) on 5 May, and 25 by USS Dash ( United States Navy) on 14 May.[217]
RA-10  Kriegsmarine World War II: The minesweeper, a former Elco 77' PT boat, was bombed and sunk in the Mediterranean Sea off La Goulette, Tunisia by Royal Air Force aircraft. Six of the 21 crew were killed.[218][219][220]
Shonan Maru No. 12 Go  Imperial Japanese Navy World War II: The auxiliary submarine chaser was sunk on this date.[221]
Teramo  Italy World War II: The cargo ship was bombed and sunk in the Mediterranean Sea by American aircraft.[3]
U-227  Kriegsmarine World War II: The Type VIIC submarine was depth charged and sunk in the Atlantic Ocean north of the Faroe Islands (64°05′N 6°40′W) by a Handley Page Hampden aircraft of 455 Squadron, Royal Australian Air Force.[222]

Unknown date
List of shipwrecks: Unknown date 1943
ShipCountryDescription
Florida Maru  Japan World War II: The cargo ship was bombed and sunk at Kavieng, New Ireland by Boeing B-17 Flying Fortress aircraft of the United States Army Air Force on 1 or 3 April.[3]
HMS LCA 272  Royal Navy World War II: The landing craft assault was lost sometime in April.[182]
HMS LCI(L)-7  Royal Navy The landing craft infantry (large) was lost sometime in April.[223]
Kosei Maru  Japan World War II: The cargo ship was bombed and sunk in the Pacific Ocean off Wewak, New Guinea by Consolidated B-24 Liberator aircraft of the United States Army Air Force between 12 and 20 April.[3]
Nanshin Maru  Japan World War II: The cargo ship was bombed and sunk at Kavieng by Boeing B-17 Flying Fortress aircraft of the United States Army Air Force on 1 or 3 April.[3]
USS Pickerel  United States Navy World War II: The Porpoise-class submarine was depth charged and sunk in the Pacific Ocean east of Honshu, Japan by Japanese forces sometime after 7 April with the loss of all 73 crew.
U-376  Kriegsmarine The Type VIIC submarine departed from La Pallice, Charente-Maritime, France on 6 April. No further trace, presumed lost in the Bay of Biscay with the loss of all 47 crew.
U-602  Kriegsmarine World War II: The Type VIIC submarine went missing for an unknown reason between 19 and 23 April on patrol in the Mediterranean Sea off Oran, Algeria with the loss of all 48 crew.[3][224]

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Ship events in 1943
Ship launches: 1938 1939 1940 1941 1942 1943 1944 1945 1946 1947 1948
Ship commissionings: 1938 1939 1940 1941 1942 1943 1944 1945 1946 1947 1948
Ship decommissionings: 1938 1939 1940 1941 1942 1943 1944 1945 1946 1947 1948
Shipwrecks: 1938 1939 1940 1941 1942 1943 1944 1945 1946 1947 1948
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