List of shipwrecks in April 1943

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

April 1943
Mon	Tue	Wed	Thu	Fri	Sat	Sun
Unknown date	1	2	3	4
5	6	7	8	9	10	11
12	13	14	15	16	17	18
19	20	21	22	23	24	25
26	27	28	29	30

1 April

Lubiana ( Regia Marina): World War II: The Beograd-class destroyer was either sunk by Royal Air Force aircraft off Tunisia, or ran aground off Cap Bon, Tunisia.
USS YP-235 ( United States Navy): World War II: The Yard Patrol Craft was sunk by an explosion in the Gulf of Mexico.^[1]

2 April

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 / 27.933°S 15.350°E / -27.933; 15.350) 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.^[2]
Dundrum Castle ( United Kingdom): The cargo ship caught fire and sank in the Red Sea, (14°37′N 42°23′E / 14.617°N 42.383°E / 14.617; 42.383).^[3]
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).^[4]
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).^[5]
Lysefjord ( Norway): World War II: The cargo ship was torpedoed and sunk in the Atlantic Ocean (23°09′N 83°24′W / 23.150°N 83.400°W / 23.150; -83.400) by U-155 ( Kriegsmarine) with the loss of four of her 23 crew. Survivors were rescued by Howard ( United States).^[6]^[7]
MTB 63 ( Royal Navy): World War II: The Vosper 70'-class motor torpedo boat was sunk in a collision off Benghazi, Libya, with MTB 64 ( Royal Navy).^[8]
MTB 64 ( Royal Navy): World War II: The Vosper 70'-class motor torpedo boat was sunk in a collision off Benghazi, Libya, with MTB 63 ( Royal Navy).^[9]
MTB 267 ( Royal Navy): World War II: The Elco 70' Motor Torpedo Boat was damaged by a storm in the Mediterranean Sea while sailing from Benghazi to Malta and was scuttled.^[10]
Melbourne Star ( United Kingdom): World War II: The cargo liner was torpedoed and sunk in the Atlantic Ocean (28°05′N 57°30′W / 28.083°N 57.500°W / 28.083; -57.500) 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.^[11]
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 / 36.017°N 2.483°W / 36.017; -2.483) by U-755 ( Kriegsmarine) with the loss of 53 of her 54 crew.^[12]
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 / 7.367°N 149.300°E / 7.367; 149.300) by USS Tunny ( United States Navy). 51 passengers and crew killed, 1 survivor.^[13]
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 (K142) (both Royal Navy with the loss of all 53 crew.

3 April

Arima Maru ( Imperial Japanese Navy): World War II: The Fleet Tanker was torpedoed and damaged north of Palau (10°12′N 134°35′E / 10.200°N 134.583°E / 10.200; 134.583) by USS Haddock ( United States Navy). She sank the next day.^[14]
Gulfstate ( United States): World War II: The oil 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 U.S. Navy blimp were rescued by a United States Coast Guard aircraft with the assistance of USS Noa ( United States Navy).^[15] 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.^[16]
CH-13 ( Imperial Japanese Navy): World War II: The submarine chaser was torpedoed and sunk with all hands in the Pacific Ocean east of Honshu (41°03′N 141°58′E / 41.050°N 141.967°E / 41.050; 141.967) by USS Pickerel ( United States Navy).^[17]^[18]
Florida Maru ( Imperial Japanese Navy): World War II: The transport was bombed and sunk at Kavieng, New Ireland (02°35′S 150°49′E / 2.583°S 150.817°E / -2.583; 150.817) by 5th Air Force B-17 Flying Fortresses^[19]^[20]
Tosei Maru ( Imperial Japanese Navy): World War II: The Fleet Supply ship was torpedoed and sunk 5 miles south of Tori Shima (30°14′N 139°45′E / 30.233°N 139.750°E / 30.233; 139.750) by USS Pollock ( United States Navy). 1 passenger killed^[21]

4 April

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

Altair ( Kriegsmarine): World War II: The supply ship was torpedoed and sunk by aircraft off Norway.^[22]
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 / 13.183°N 161.950°E / 13.183; 161.950) by USS Porpoise ( United States Navy).^[23]^[24]
Patria ( Germany): World War II: The cargo ship was bombed and sunk by aircraft off Stavanger, Norway.^[25]
Rygja ( Norway): World War II: The cargo ship struck a mine and sank in the North Sea off Skagen, Denmark with the loss of one crew member.^[26]

5 April

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 / 32.617°S 37.833°E / -32.617; 37.833) 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).^[27]
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 / 57.750°N 27.500°W / 57.750; -27.500) by U-632 ( Kriegsmarine) with the loss of 26 of her 62 crew.^[28]
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 / 58.133°N 34.067°W / 58.133; -34.067) 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.^[29]
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 / 8.250°S 158.967°E / -8.250; 158.967) by USS O'Bannon and USS Strong with the loss of all 66 crew.
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 / 57.167°N 35.500°W / 57.167; -35.500) by U-630 ( Kriegsmarine) with the loss of 71 of her 78 crew. Survivors were rescued by Zamalek ( United Kingdom).^[30]
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 / 58.267°N 34.233°W / 58.267; -34.233 by U-530 ( Kriegsmarine) with the loss of all 69 crew.^[31]
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 / 27.783°N 15.000°W / 27.783; -15.000 by a Lockheed Hudson aircraft of 233 Squadron, Royal Air Force. She was scuttled the next day. All 52 crew survived.^[32]
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 / 58.333°N 31.867°W / 58.333; -31.867) by a Consolidated B-24 Liberator aircraft of 120 Squadron, Royal Air Force with the loss of all 47 crew.^[33]
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 / 58°N 34°W / 58; -34) by U-229 ( Kriegsmarine) with the loss of all 38 crew.^[34]
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.^[35]

6 April

Carridi ( Regia Marina): World War II: The Naval Trawler was sunk at Trapani by Allied aircraft.^[36]
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 / 20.283°N 73.533°W / 20.283; -73.533) by U-185 ( Kriegsmarine. All 57 crew were rescued by USS Bennett ( United States Navy).^[37]^[38]
MAS 533 ( Regia Marina): World War II: The MAS 526 class MAS boat was sunk at Trapani by Allied aircraft.^[39]
MAS 576 ( Regia Marina): World War II: The MAS 552 class MAS boat was sunk at Trapani by Allied aircraft.^[40]
San Diego ( France) World War II: The cargo ship was bombed and sunk by aircraft near Bizerte, Tunisia.^[41]
Ste. Lucille ( Germany): World War II: The cargo ship was bombed and sunk at Trapani, Sicily, Italy by Allied aircraft.^[42]
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 / 58.033°N 28.700°W / 58.033; -28.700) by a Consolidated B-24 Liberator aircraft of 86 Squadron, Royal Air Force with the loss of all 48 crew.^[43]
VAS 202 ( Regia Marina): World War II: The VAS 201 class submarine chaser was sunk at Trapani by Allied aircraft.^[44]

7 April

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).^[17]
USS Kanawha ( United States Navy): World War II: The Kanawha-class replenishment oiler was bombed and damaged in Tulagi Harbor by Japanese aircraft and beached. She sank the next day with a loss of 19 crew.^[45]
Kosei Maru ( Japan): World War II: The cargo ship was torpedoed and sunk in the Pacific Ocean (08°45′N 147°10′E / 8.750°N 147.167°E / 8.750; 147.167) by USS Tunny.^[46]
HMNZS Moa ( Royal New Zealand Navy): World War II: The Bird-class minesweeper was bombed and sunk in Tulagi Harbour, Solomon Islands 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, Nordland, Norway (69°38′N 5°40′W / 69.633°N 5.667°W / 69.633; -5.667) by HMS Tuna ( Royal Navy) with the loss of all 45 crew.^[47]

8 April

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 / 9.767°N 16.833°W / 9.767; -16.833) by U-123 ( Kriegsmarine) with the loss of 12 of her 43 crew. Survivors were rescued by HMS Inkpen ( Royal Navy).^[48]^[49]^[50]^[51]

9 April

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 / 14.950°N 17.250°W / 14.950; -17.250) by U-515 ( Kriegsmarine) with the loss of six crew.^[52]
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 / 5.433°S 123.067°E / -5.433; 123.067) 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 miles north-north-west of Kaveing, New Ireland Island (00°38′N 150°17′E / 0.633°N 150.283°E / 0.633; 150.283), by USS Drum ( United States Navy). 4 crewmen killed^[53]
Penang Maru ( Japan: World War II: The cargo ship was torpedoed and sunk in the Banda Sea by USS Tautog ( United States Navy).^[54]
Shanghai Maru ( Japan): World War II: The cargo ship was torpedoed and sunk in the Isla Verde Passage by USS Grayling ( United States Navy).^[55]
U-733 ( Kriegsmarine): The Type VIIC submarine collided with another U-boat and sank at Gotenhafen, West Prussia. She was raised, repaired and returned to service.^[56]

10 April

Alice F. Palmer ( United States): World War II: The Liberty ship was torpedoed, shelled and sunk in the Indian Ocean (26°30′S 44°20′E / 26.500°S 44.333°E / -26.500; 44.333) by U-177 ( Kriegsmarine).^[57]
Irene ( Germany): World War II: The blockade runner was shelled and sunk in the Atlantic Ocean (43°18′N 14°26′W / 43.300°N 14.433°W / 43.300; -14.433) by HMS Adventure ( Royal Navy).^[58]
MAS 501 and MAS 503 (both ( Regia Marina)): World War II: The MAS motor torpedo boats were bombed and sunk at La Maddelena, Sardinia by USAAF aircraft.^[59]
Trieste ( Regia Marina): World War II: The Trento-class cruiser was bombed and sunk at La Maddelena, Sardinia by USAAF aircraft. 67 crewmen and 4 civilians 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.

11 April

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 / 52.317°N 40.467°W / 52.317; -40.467 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 38°W / 53; -38 / 53°N 39°W / 53°N 39°W / 53; -39) by U-615 ( Kriegsmarine) with the loss of all 69 crew.^[60]^[61]
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 / 2.517°N 15.917°W / 2.517; -15.917) by U-181 ( Kriegsmarine). All 53 crew were rescued by HMS Witch and HMS Wolverine (both Royal Navy).^[62]^[63]
Frode ( Norway): World War II: The coaster struck a mine and sank in the English Channel off the coast of West Sussex, United Kingdom (50°45′48″N 0°28′43″W / 50.76333°N 0.47861°W / 50.76333; -0.47861) with the loss of eight of her 19 crew.^[64]
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 / 51.483°N 42.983°W / 51.483; -42.983) 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).^[65]
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 / 28.767°N 25.667°W / 28.767; -25.667) by U-195 ( Kriegsmarine) with the loss of two of her 67 crew. Survivors were rescued by Cabo Huertas, Campana, Juan rescues 18 on May 16, (all Spain) and Albufeira ( Portugal) or reached land in their lifeboat.^[66]^[67]
MS 13 ( Regia Marina): World War II: The MS 11 class MS Boat was sunk at Trapani by Allied aircraft.^[68]
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 / 33.917°N 7.867°W / 33.917; -7.867) 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.^[69]
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.^[70]
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 / 32.250°N 23.917°E / 32.250; 23.917) by U-593 ( Kriegsmarine) with the loss of 16 of her 37 crew.^[71]

12 April

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 / 54.250°N 30.000°W / 54.250; -30.000) by U-706 ( Kriegsmarine). All 45 crew were rescued by HMS Azalea ( Royal Navy).^[72]
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 / 50.300°N 42.800°W / 50.300; -42.800) by U-404 ( Kriegsmarine) with the loss of all 45 crew.^[73]
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 / 54.167°N 30.000°W / 54.167; -30.000) by U-563 ( Kriegsmarine) with the loss of 11 of the 67 people aboard. Survivors were rescued by HMS Azalea ( Royal Navy).^[74]
Sydney Maru ( Japan): World War II: The cargo ship was bombed and sunk in Hansa Bay, New Guinea (03°18′N 143°38′E / 3.300°N 143.633°E / 3.300; 143.633) by 5th Air Force B-17 Flying Fortresses and B-24 Liberators. 38 crewman and 5 gunners killed.^[75]
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 / 54.500°N 30.500°W / 54.500; -30.500) by U-563 ( Kriegsmarine). All 41 crew were rescued by HMS Azalea ( Royal Navy).^[76]

13 April

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.^[77]

14 April

HMT Adonis ( Royal Navy): World War II: The naval trawler was torpedoed and sunk in the North Sea off Lowestoft, Suffolk by Kriegsmarine E-boats with the loss of one crew member.^[77]
Pasvik ( Norway): World War II: The icebreaking tug struck a mine and sank in Varangerfjord (69°55′N 30°00′E / 69.917°N 30.000°E / 69.917; 30.000) with the loss of nine crew.^[78]
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 / 47.500°N 3.750°W / 47.500; -3.750) with the loss of 42 of her 54 crew.^[79]

15 April

HMT Adonis ( Royal Navy): World War II: The naval trawler was torpedoed and sunk in the North Sea off Lowestoft, Suffolk, United Kingdpm by an E-boat ( Kriegsmarine) with the loss of 21 of her 32 crew.^[80]
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 / 3.383°S 30.467°W / -3.383; -30.467) by a USN Consolidated PBY of Squadron VP 83.^[81]
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, Lower Saxony by British aircraft with the loss of two crew.^[82]
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.^[3]
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 / 3.200°N 143.717°E / 3.200; 143.717) by 5th Air Force B-17 Flying Fortresses. 3 gunners and 7 crew killed.^[83]
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 / 21.217°N 152.400°E / 21.217; 152.400) by USS Seawolf ( United States Navy).^[84]
Simson ( Germany): World War II: The tugboat struck a mine and sank off Wrangel Island.^[85]
USS YP-453 ( United States Navy):World War II: The Yard Patrol Craft ran aground and sank on the Bahama Bank.^[86]

16 April

Giacomo Medici ( Regia Marina): World War II: The Giuseppe La Masa-class destroyer was sunk at Catania by US aircraft.^[87]
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.^[88]
HMS Pakenham ( Royal Navy): World War II: Battle of the Cigno Convoy: The P-class destroyer was torpedoed, shelled and damaged 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.^[77]
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

Fort Rampart ( United Kingdom): World War II: The Fort ship was torpedoed and sunk in the Atlantic Ocean (47°22′N 21°58′W / 47.367°N 21.967°W / 47.367; -21.967) by U-226 and U-668 (both Kriegsmarine).^[89]
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 scrapped later.^[90]

U-175

U-175 ( Kriegsmarine): World War II: The Type IXC submarine was depth charged and sunk in the Atlantic Ocean (47°53′N 22°04′W / 47.883°N 22.067°W / 47.883; -22.067) by USCGC Spencer ( United States Coast Guard) with the loss of 13 of her 54 crew. The survivors were rescued by USCGC Spencer and USCGC Duane (both United States Coast Guard) and made prisoners of war.

18 April

Arno ( Kriegsmarine): World War II: The cargo ship was torpedoed by RAF Coastal Command aircraft west of Lorient. She sank on the 21st at Corcubion.^[91]
Empire Bruce ( United Kingdom): World War II: The cargo ship was torpedoed and sunk in the Atlantic Ocean (6°40′N 13°17′W / 6.667°N 13.283°W / 6.667; -13.283) by U-123 ( Kriegsmarine). All 49 crew were rescued by HMS MMS-107 ( Royal Navy).
SS 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 / 47.367°N 21.967°W / 47.367; -21.967) 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 / 47.467°N 22.000°W / 47.467; -22.000) by U-226 ( Kriegsmarine with the loss of six of her 56 crew. Survivors were rescued by HMCS Arvida ( Royal Canadian Navy).^[92]
MS Høegh Carrier ( Norway): World War II: The cargo ship was bombed and sunk in the North Sea off Den Helder, North Holland, Netherlands by Royal Air Force aircraft with the loss of two crew.^[93]
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.^[94]
Nisshun Maru ( Imperial Japanese Navy): World War II: The ammunition transport was torpedoed and sunk 200 miles north north west of Mussau Island, Bismarcks (01°55′N 148°24′E / 1.917°N 148.400°E / 1.917; 148.400) by USS Drum ( United States Navy). 35 crewmen killed. Survivors rescued by CH-18 ( Imperial Japanese Navy).^[95]
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 / 6.817°N 13.150°W / 6.817; -13.150) by U-123 ( Kriegsmarine) with the loss of all 43 crew.^[77]
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.^[77]
USS YC-891 ( United States Navy): World War II: The unpowered Covered Lighter sank while under tow off Key West, Florida.^[96]

19 April

Alpino ( Regia Marina): World War II: The Soldati-class destroyer was sunk at La Spezia by British aircraft.^[97]
Robert Gray ( United States): World War II: Convoy HX 234: The Liberty ship straggled behind the conovy. She was torpedoed and sunk in the Atlantic Ocean (50°57′N 40°35′W / 50.950°N 40.583°W / 50.950; -40.583) by U-108 ( Kriegsmarine) with the loss of all 62 crew.^[98]^[99]

20 April

For Nojima Maru see Unknown Date, October, 1942

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).^[100]
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.^[101]
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 / 37.167°N 141.417°E / 37.167; 141.417) by USS Scorpion ( United States Navy).^[102]^[103]
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 / 35.983°N 1.417°W / 35.983; -1.417) by U-565 ( Kriegsmarine). All 61 people on board were rescued by HMS Foxtrot and HMT Stella Carina (both Royal Navy).^[104]
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 / 35.983°N 1.417°W / 35.983; -1.417) by U-565 ( Kriegsmarine) with the loss of 611 of the 1,131 people on board. Lifeboats from Michigan ( United States) rescued many Senegalese soldiers onboard.^[105]

21 April

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 / 55.767°N 45.233°W / 55.767; -45.233) by U-415 ( Kriegsmarine) with the loss of 16 of her 67 crew. Survivors were rescued by HMT Northern Gift ( Royal Navy).^[106]
Erich Ohlrogge ( Germany): World War II: The cargo ship struck a mine and sank off eastern Jutland, Denmark.^[107]
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 / 6.500°N 97.667°E / 6.500; 97.667. 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 / 32.167°S 34.833°E / -32.167; 34.833) by Leonardo da Vinci ( Regia Marina. 14 survivors rescued on the 27th by HMS Relentless ( Royal Navy). 8 of 24 originally in a second lifeboat are rescued on 21 May, no details on rescuer. 6 Gunners and 21 crewmen die in the sinking or in the ordeal in the lifeboats.^[37]
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 / 37.833°N 11.500°E / 37.833; 11.500).^[108]
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 / 56.117°N 44.433°W / 56.117; -44.433) by U-191 ( Kriegsmarine) with the loss of two of her 40 crew. Survivors were rescued by HMS Kale ( Royal Navy).^[109]
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).^[110]

22 April

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 / 57.500°N 42.833°W / 57.500; -42.833) by U-306 ( Kriegsmarine) with the loss of 86 of the 130 people on board. Survivors were rescued by HMS Asphodel ( Royal Navy).^[111]
HMS Herring ( Royal Navy): World War II: The Fish-class trawler was sunk in a collision with MV Cassard ( France) 2 miles north of Bouy No. 20 north east of Blyth.^[112]

23 April

No.39 seen through the periscope of USS Seawolf

PB-39 ( Imperial Japanese Navy): 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 / 23.800°N 122.700°E / 23.800; 122.700) by USS Seawolf ( United States Navy).^[84]
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.^[113]
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 / 56.750°N 36.417°W / 56.750; -36.417) by HMS Hesperus ( Royal Navy) with the loss of all 55 crew.
USS YP-422 ( United States Navy): World War II: The Yard Patrol Craft ran aground and sank on the Tumbo Reef, 3 miles south east of the North Bulari Passage, New Caledonia.^[114]

24 April

Galiola ( Regia Marina) World War II: The transport was torpedoed and sunk in the Mediterranean Sea off Capo di Milazzo, Sicily, Italy by Sahib ( Royal Navy).^[115]^[116]
SS Kowarra ( Australia): World War II: The cargo ship was torpedoed and sunk 35 miles north east of Sandy Cape, Queensland, Australia (24°26′S 153°44′E / 24.433°S 153.733°E / -24.433; 153.733) by I-26 ( Imperial Japanese Navy). Her Master, 19 crewmen, and 1 Gunner killed. 11 survivors rescued by USS SC-747 ( United States Navy).^[117]
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 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.^[115]
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 / 30.700°N 70.967°W / 30.700; -70.967) by U-129 ( Kriegsmarine). All 95 people on board were rescued by Venezia ( Sweden).^[118]
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 / 61.417°N 19.800°W / 61.417; -19.800) by a Boeing B-17 Flying Fortress aircraft of 206 Squadron, Royal Air Force with the loss of all 49 crew.^[119]

25 April

M-471 ( Kriegsmarine): World War II: The minesweeper was bombed and sunk by aircraft off Den Helder, the Netherlands.^[120]
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 / 61°N 15°W / 61; -15) by U-385 ( Kriegsmarine) with the loss of 28 of her 30 crew. Survivors were rescued by Goodwin ( United Kingdom).^[121]
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 / 34.067°N 7.383°W / 34.067; -7.383) with the loss of with the loss of 16 of her 55 crew.^[122]
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 / 55.083°N 42.417°W / 55.083; -42.417) by Fairey Swordfish aircraft of 811 Squadron, Fleet Air Arm, based on HMS Biter and by the destroyers HMS Opportune and HMS Pathfinder (all Royal Navy) with the loss of ten of her 48 crew.
Wullenwever ( Kriegsmarine): World War II: The minelayer was sunk in the Baltic Sea by mines.^[123]
USS YP-481 ( United States Navy): The Yard Patrol Boat grounded and was wrecked in the Atlantic Ocean off Charleston, S.C.^[124]

26 April

SS Limerick ( United Kingdom): World War II: The freighter was torpedoed and sunk in the Pacific Ocean 20 miles south east of Cape Byron, Australia (28°54′S 153°54′E / 28.900°S 153.900°E / -28.900; 153.900) by I-177 ( Imperial Japanese Navy).^[125]
USS YP-47 ( United States Navy): World War II: 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).^[126]

27 April

Clan Macindoe ( United Kingdom): The cargo ship was afire 15 April 1943, off Alexandria. She was subsequently beached and a total loss^[127]
SS Lydia M. Childs ( United States): World War II: The Liberty ship was torpedoed and sunk in the Pacific Ocean 100 miles off Port Stephens, Australia (33°08′S 153°24′E / 33.133°S 153.400°E / -33.133; 153.400) by I-178 ( Imperial Japanese Navy).^[128]
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.^[129]
Trondhjemsfjord ( Norway): World War II: The cargo ship was bombed and sunk in the North Sea off the Ryvingen Lighthouse, Vest-Agder by Allied aircraft.^[130]
Yuzan Maru ( Japan): World War II: The cargo liner was torpedoed and sunk in the Pacific Ocean by USS Scorpion ( United States Navy).^[103]
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 / 43.583°N 56.300°W / 43.583; -56.300) by Lockheed Ventura aircraft of the United States Navy with the loss of all 53 crew.^[131]

28 April

Butterfly ( Italy): World War II: The cargo ship was torpedoed, shelled and sunk in the Gulf of Morbihan off Sept Îles, Morbihan, France by a Motor Torpedo Boat, assisted by HMS Goathland (both Royal Navy).^[46]^[132]
Climene ( Regia Marina): World War II: The Spica class torpedo boat was sunk west of Sicily by HMS Unshaken ( Royal Navy).^[133]
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.
MTB 639 ( Royal Navy): World War II: The Fairmile D motor torpedo boat was shelled and sunk off Pantellaria by Sagittario ( Regia Marina).^[134]
Ortelsburg ( Germany): World War II: Operation Mardonius: The cargo ship was sunk at Oslo, Norway, by saboteurs led by Max Manus.^[135]^[136]
Tugela ( Germany): World War II: Operation Mardonius: The cargo ship was sunk at Oslo, Norway due to sabotage by the Norwegian Resistance. She was later raised, repaired and returned to service.^[130]
UJ-1402 ( Kriegsmarine): World War II: The patrol boat was shelled and sunk north-west of Lannion, France (48°54′N 3°48′W / 48.900°N 3.800°W / 48.900; -3.800).^[137]

29 April

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 / 60.867°N 34.333°W / 60.867; -34.333) 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 / 5.167°N 11.167°W / 5.167; -11.167) by U-123 ( Kriegsmarine). All 32 crew survived.^[138]
Sturzsee ( Germany): World War II: The cargo ship was torpedoed and sunk by S-55 ( Soviet Navy) off Cape Nordkinn, Norway.^[139]^[140]
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 / 45.133°N 9.550°W / 45.133; -9.550) by a Consolidated B-24 Liberator aircraft of 224 Squadron, Royal Air Force with the loss of all 45 crew.^[141]
SS Wollongbar ( Australia): World War II: The freighter was torpedoed and sunk in the Pacific Ocean 55 miles east south east of Smokey Cape, Australia (31°17′S 153°07′E / 31.283°S 153.117°E / -31.283; 153.117) by I-180 ( Imperial Japanese Navy). 32 crewmen killed. 5 rescued by trawler "X.L.C.R." ( Australia): ^[142]

30 April

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 / 7.250°N 13.817°W / 7.250; -13.817) by U-515 ( Kriegsmarine) with the loss of one of the 78 people on board. Survivors were rescued by HMT Birdlip ( Royal Navy).^[143]
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 / 7.250°N 13.817°W / 7.250; -13.817) by U-515 ( Kriegsmarine) with the loss of nine of her 48 crew. Survivors were rescued by HMT Birdlip ( Royal Navy).^[144]
Hermes ( Kriegsmarine): World War II: The Vasilefs Georgios-class destroyer was bombed and heavily damaged by British aircraft off Cape Bon, Tunisia. 23 crewmen killed. Towed to La Goulette, Tunisia and scuttled there 7 May 1943.^[145]
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 / 7.250°N 13.817°W / 7.250; -13.817) by U-515 ( Kriegsmarine) with the loss of six of her 77 crew.^[146]
Lampo ( Regia Marina): World War II: The Folgore-class destroyer was sunk in the Mediterranean Sea off Tunis by US aircraft.^[147]
Leone Pancaldo ( Regia Marina): World War II: The Navigatori-class destroyer was bombed and sunk by aircraft north-north-east of Cape Bon.^[148]
MAS 552 ( Regia Marina): World War II: The MAS 552 class MAS boat was sunk in the Strait of Sicily by Allied aircraft.^[149]
MS 25 ( Regia Marina): World War II: The MS 11 class MS Boat was sunk west of Sicily by Allied aircraft.^[150]
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 / 7.317°N 13.833°W / 7.317; -13.833) by U-515 ( Kriegsmarine) with the loss of two of her 113 crew. Survivors were rescued by HMT Birdlip ( Royal Navy).^[151]
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 / 20.117°S 177.550°E / -20.117; 177.550) by I-19 ( Imperial Japanese Navy). All hands rescued, 8 by a PBY Catalina on May 1, 23 by USS YMS-89 ( United States Navy) on the 5th, and 25 by USS Dash ( United States Navy) on the 14th.^[152]
RA-10 ( Kriegsmarine): World War II: The Elco 77' PT boat was bombed and sunk in the Mediterranean Sea off La Goulette, Tunisia by RAF aircraft.^[153]
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 / 64.083°N 6.667°W / 64.083; -6.667) by a Handley Page Hampden aircraft of 455 Squadron, Royal Australian Air Force.^[154]

Unknown date

USS LCI(L)-7 ( United States Navy): World War II: The Landing Craft, Infantry (Large) was lost sometime in April.^[155]
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): World War II: 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 was lost on patrol in the Mediterranean Sea on or after 19 April with the loss of all 48 crew.^[156]

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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

Shipwrecks 1939–45, by month

1939	Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Unknown date

1940	Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Unknown date

1941	Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Unknown date

1942	Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Unknown date

1943	Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Unknown date

1944	Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Unknown date

1945	Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Unknown date