List of shipwrecks in April 1945

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

April 1945
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

Armenier ( United Kingdom): World War II: The cargo ship was scuttled or beached off Littlehampton, West Sussex.^[1]
Awa Maru ( Japan): World War II: The ocean liner was torpedoed and sunk by USS Queenfish ( United States Navy) whilst under Allied Safe Passage. There was only one survivor of the 2,005 people on board.
U-747 ( Kriegsmarine): World War II: The Type VIIC submarine was bombed and destroyed at Hamburg in an American air raid.^[2]
U-1131 ( Kriegsmarine): World War II: The Type VIIc submarine was bombed and damaged at Hamburg in an American air raid. She was consequently scuttled due to damage received.^[3]

2 April

CD-186 ( Imperial Japanese Navy): World War II: The Type D escort ship was sunk south west of Amami Ōshima in the East China Sea (28°07′N 129°09′E / 28.117°N 129.150°E / 28.117; 129.150) by U.S. Navy aircraft from Task Force 58.^[4]
Concordia ( Norway): World War II: The cargo ship was bombed and sunk in Sognefjord by Royal Air Force aircraft. Later raised, repaired and returned to service.^[5]^[6]
USS Dickerson ( United States Navy): World War II: The high-speed transport, a former Wickes-class destroyer, was damaged in the Pacific Ocean off Okinawa, Japan by a kamikaze attack with the loss of 54 of her 101 crew. The ship was scuttled off Kerama Retto on 4 April.
Edogawa Maru ( Japan): World War II: Convoy TAMO-51: The cargo ship was torpedoed and sunk in the Yellow Sea (34°02′N 124°00′E / 34.033°N 124.000°E / 34.033; 124.000) by USS Sea Devil ( United States Navy). Lost with all 48 crew.^[7]
Nisshin Maru ( Japan): World War II: Convoy TAMO-51: The cargo ship was torpedoed and sunk in the Yellow Sea (34°02′N 124°00′E / 34.033°N 124.000°E / 34.033; 124.000) by USS Sea Devil ( United States Navy). 39 crew 9 Gunners killed.^[7]
R-256 ( Kriegsmarine): World War II: The Type R-218 minesweeper sank off Bornholm after being damaged during an air attack.^[8]
Taijo Maru ( Japan): World War II: Convoy TAMO-51: The cargo ship was torpedoed and sunk in the Yellow Sea (34°02′N 124°00′E / 34.033°N 124.000°E / 34.033; 124.000) by USS Sea Devil ( United States Navy). 39 crew 9 Gunners killed.^[7]
T-17 ( Imperial Japanese Navy): World War II: The No.1-class landing ship was sunk south west of Amami Ōshima in the East China Sea (28°07′N 129°09′E / 28.117°N 129.150°E / 28.117; 129.150) by U.S. Navy aircraft from Task Force 58.^[4]
T-145 ( Imperial Japanese Navy): World War II: The No.101-class landing ship was sunk south west of Amami Ōshima in the East China Sea (28°07′N 129°09′E / 28.117°N 129.150°E / 28.117; 129.150) by U.S. Navy aircraft from Task Force 58.^[4]
U-321 ( Kriegsmarine): World War II: The Type VIIC/41 submarine was depth charged and sunk in the Atlantic Ocean south west of Ireland by a Vickers Wellington aircraft of 304 Squadron, Royal Air Force with the loss of all 41 crew.^[9]
William Blumer ( Norway): World War II: The cargo ship was bombed and sunk in Sognefjord by Royal Air Force aircraft. She was raised on 12 October 1946, repaired and returned to service in April 1948 as William.^[6]

3 April

Axenfels ( Germany): World War II: The cargo ship was bombed and sunk by aircraft at Kiel, Germany. Wreck scrapped in March 1948 at Blyth, England.^[10]
Brummer ( Kriegsmarine): World War II: The minelayer was wrecked in a Royal Air Force air raid on Kiel, Schleswig-Holstein.
Heikai Maru ( Imperial Japanese Navy): World War II: The Transport was bombed and sunk at Hong Kong (22°17′N 114°10′E / 22.283°N 114.167°E / 22.283; 114.167) by Far East Air Force B-24s. 1 crewman killed.^[11]^[12]
Irben ( Kriegsmarine): World War II: The Irben class minelayer was sunk off Kiel by Allied aircraft.^[13]
M-802 ( Kriegsmarine): World War II: The M 1943 class minesweeper was bombed and sunk by aircraft at Kiel, Germany.^[14]
Monte Olivia ( Germany): World War II: The passenger/cargo ship was bombed and sunk at Kiel, Germany.^[15]
New York ( Germany): World War II: The passenger liner was bombed and sunk by aircraft at Kiel, Germany. Wreck scrapped from 2 August 1949 at Dalmuir, Scotland, and from January 1950 at Troon, Scotland.^[16]
R-59 ( Kriegsmarine): World War II: The Type R-41 minesweeper was sunk at Kiel by Allied aircraft.^[17]
R-261 ( Kriegsmarine): World War II: The Type R-218 minesweeper was sunk at Kiel by Allied aircraft.^[8]
Shozan Maru ( Imperial Japanese Navy): World War II: The Transport was bombed and sunk at Hong Kong (22°17′N 114°10′E / 22.283°N 114.167°E / 22.283; 114.167) by Far East Air Force B-24s. 8 crewmen killed.^[11]^[12]
U-1221 ( Kriegsmarine): World War II: The Type IXC/40 submarine was bombed and sunk at Kiel in an American air raid with the loss of seven of the eighteen crew on board at the time.^[18]
U-2542 ( Kriegsmarine): World War II: The Type XXI submarine was bombed and sunk at Kiel. The wreck was scrapped post-war.^[19]
U-3505 ( Kriegsmarine): World War II: The Type XXI submarine was bombed and sunk at Kiel with the loss of one crew member. The wreck was scrapped post-war.
USS YMS-71 ( United States Navy): The minesweeper was sunk by a mine in the Celebes Sea off Sanga Sanga, Philippine Islands(04°59′N 119°47′E / 4.983°N 119.783°E / 4.983; 119.783) .^[20]

4 April

Feodosia ( Germany): World War II: The cargo ship was bombed and sunk by aircraft in the Kattegat.^[21]
Mokuto ( Imperial Japanese Navy): World War II: The Ukuru-class escort ship was mined and sunk in the Shimonoseki Strait (33°53′N 131°03′E / 33.883°N 131.050°E / 33.883; 131.050). 27 Crewmen killed.^[22]
USS LCI(G)-82 ( United States Navy): World War II: The Landing Craft, Infantry (Gun) was sunk off Buckner Bay Okinawa by Japanese Assault Demolition Boats.^[23]
USS LSM-12 ( United States Navy): World War II: The Landing Ship, Medium was wrecked and abandoned at Okinawa, subsequently stripped for parts.^[24]
USS LST-675 ( United States Navy): World War II: The Landing Ship, Tank was wrecked and abandoned at Okinawa, subsequently stripped for parts.^[25]
U-237 ( Kriegsmarine): World War II: The Type VIIC submarine was bombed and sunk at Kiel, Schleswig-Holstein in a British air raid with the loss of one crew member.^[26]
U-749 ( Kriegsmarine): World War II: The Type VIIC submarine was bombed and sunk at Kiel in an American air raid with the loss of two crew.^[27]^[28]
U-3003 ( Kriegsmarine): World War II: The Type XXI submarine was bombed and sunk at Kiel. The wreck was scrapped post-war.^[29]

5 April

Gasray ( United Kingdom): World War II: The cargo ship was torpedoed and sunk in the North Sea 2 nautical miles (3.7 km) north of St Abb's Head, Berwickshire by U-2321 ( Kriegsmarine) with the loss of eight of her 24 crew. Survivors were rescued by the Clova ( United Kingdom) and the St Abb's lifeboat () Royal National Lifeboat Institution.^[30]
Kamoi ( Japan): World War II: The Oiler was bombed and damaged by US Army Far East Air Force B-24s at Hong Kong. She sunk on the 8th in very shallow waters. The crew doesn't abandon her until the 13th.^[31]
Kine Maru ( Imperial Japanese Navy): World War II: The Cargo ship was bombed and sunk by USN PBM Mariners (22°24′N 115°28′E / 22.400°N 115.467°E / 22.400; 115.467). 56 passengers, 5 Gunners and 19 crew members were lost.^[32]
Ro-49 ( Imperial Japanese Navy): World War II: The Kaichū type submarine was depth charged and sunk in the Pacific Ocean off Okinawa by USS Hudson ( United States Navy).^[33]
USS Thornton ( United States Navy): The Seaplane Tender, a former Clemson-class destroyer, collided with USS Ashtabula and USS Escalante in the Pacific Ocean off the Ryukyu Islands and was severely damaged. She was beached and abandoned at Keramo Retto on 2 May.
Tokai Maru No. 2 ( Japan): World War II: The Cargo ship was bombed and sunk by 5th Air Force B-24s, B-26s and P-38s (22°24′N 116°10′E / 22.400°N 116.167°E / 22.400; 116.167). 16 Gunners and 13 crew members were lost.^[34]
Torridal ( Norway): World War II: The cargo ship was torpedoed and sunk at Folda, Nord-Trøndelag by Utsira ( Royal Norwegian Navy) with the loss of fifteen of her eighteen crew.^[35]
U-242 ( Kriegsmarine): World War II: The Type VIIC submarine struck a mine and sank in St George's Channel (52°02′54″N 5°46′48″W / 52.04833°N 5.78000°W / 52.04833; -5.78000) with the loss of all 44 crew.^[36]
U-677 ( Kriegsmarine): World War II: The Type VIIC submarine was destroyed at Hamburg in a British air raid.^[37]

6 April

Amatsukaze ( Imperial Japanese Navy): World War II: The Kagero-class destroyer was bombed and damaged in the Formosa Strait 6 nautical miles (11 km) east of Amoy, China (24°30′N 118°10′E / 24.500°N 118.167°E / 24.500; 118.167) by North American B-25 Mitchell aircraft of the United States Army Air Forces. She was beached at the entrance to Amoy harbor, but salvage was abandoned two days later after further damage by a storm, and she was scuttled on 10 April. 44 crewmen killed.^[38]
USS Bush ( United States Navy): World War II: The Fletcher-class destroyer was sunk in a Japanese kamikaze attack in the Pacific Ocean off Okinawa, Japan (27°16′N 127°48′E / 27.267°N 127.800°E / 27.267; 127.800) with the loss of 87 of her 314 crew.
CD-1 ( Imperial Japanese Navy): World War II: Convoy HOMO-03: The Type C escort ship was sunk south west of Amoy in the Fotou Bay, China Formosa Strait (23°55′N 117°40′E / 23.917°N 117.667°E / 23.917; 117.667) by USAAF B-25s of the 345th Bomb Group.^[39]
CD-134 ( Imperial Japanese Navy): World War II: Convoy HOMO-03: The Type D escort ship was sunk southwest of Amoy in the Fotou Bay, China Formosa Strait (23°55′N 117°40′E / 23.917°N 117.667°E / 23.917; 117.667) by USAAF B-25s of the 345th Bomb Group.^[40]
FV Captain Nathaniel B. Palmer ( United States): World War II: The fishing vessel was sunk 9 miles south south east of Block Island when a depth charge cought in her net exploded. 3 crewmen killed. The only survivor was rescued by FV Mandalay ( United States).^[41]
USS Colhoun ( United States Navy): World War II: The Fletcher-class destroyer was sunk in the Pacific Ocean off Okinawa (27°16′N 127°48′E / 27.267°N 127.800°E / 27.267; 127.800) when hit by four Japanese kamikaze aircraft. 35 crewmen killed.^[42]
Cuba ( United Kingdom): World War II: Convoy VWP-16: The troopship was torpedoed and sunk in the English Channel southeast of the Isle of Wight (50°36′N 0°58′W / 50.600°N 0.967°W / 50.600; -0.967) by U-1195 ( Kriegsmarine) with the loss of one of the 265 people on board. Survivors were rescued by HMCS Nene ( Royal Canadian Navy).^[43]
USS Emmons ( United States Navy): World War II: The high-speed minesweeper, a former Gleaves-class destroyer, was damaged in a Japanese kamikaze attack in the Pacific Ocean off Okinawa (26°48′N 128°04′E / 26.800°N 128.067°E / 26.800; 128.067). She was scuttled the next day with the loss of 60 of her 208 crew.
Hobbs Victory ( United States): World War II: The Victory ship was damaged in a Japanese kamikaze attack at Okinawa, Japan (25°50′N 127°14′E / 25.833°N 127.233°E / 25.833; 127.233). She exploded and sank the next day. Survivors were rescued by USS Serene and USS Success (both United States Navy).^[44]^[45]^[46]
USS LST-447 ( United States Navy): World War II: The landing ship, tank Mk.2 was damaged at Kerama Retto (26°09′N 127°18′E / 26.150°N 127.300°E / 26.150; 127.300) in a Japanese kamikaze attack. She sank the next day.^[47]
USS Leutze ( United States Navy): World War II: The Fletcher-class destroyer was damaged in a Japanese kamikaze attack. She was consequently declared a constructive total loss.^[48]
Logan Victory ( United States): World War II: The Victory ship was sunk by a Japanese kamikaze attack.^[49]
Marco Brunner ( Germany): World War II: The troopship was sunk off Väderöarna, Sweden, with the loss of around 700 from the 1,200 people on board.^[50]
USS Morris ( United States Navy): World War II: The Sims-class destroyer was damaged by a Japanese Nakajima B5N kamikaze aircraft. She was subsequently declared a constructive total loss.^[48]
USS Newcomb ( United States Navy): World War II: The Fletcher-class destroyer was damaged in a Japanese kamikaze attack. She was consequently declared a constructive total loss .^[48]
W-12 ( Imperial Japanese Navy): World War II: The No.7-class minesweeper was torpedoed and damaged off Komodo Island and beached (08°13′N 119°14′E / 8.217°N 119.233°E / 8.217; 119.233), torpedoed again and sunk by USS Besugo ( United States Navy).^[51]

7 April

Asashimo ( Imperial Japanese Navy): World War II: Operation Ten-Go: The Yūgumo-class destroyer was torpedoed and sunk in the Pacific Ocean 150 nautical miles (280 km) south west of Nagasaki approximately 38°N 128°E / 38°N 128°E / 38; 128 by aircraft based on USS San Jacinto ( United States Navy) with the loss of all 328 crew.
Flensburg ( Germany): World War II: The incomplete cargo ship was bombed and sunk at Pillau, East Prussia.^[52]
Hamakaze ( Imperial Japanese Navy): World War II: Operation Ten-Go: The Kagero-class destroyer was torpedoed and sunk in the Pacific Ocean 150 nautical miles (280 km) south west of Nagasaki (30°47′N 128°08′E / 30.783°N 128.133°E / 30.783; 128.133) by aircraft based on USS San Jacinto ( United States Navy).
Isokaze ( Imperial Japanese Navy): World War II: The Kagero-class destroyer was damaged in the Pacific Ocean by aircraft of Task Force 58, United States Navy. She was scuttled with the loss of twenty of her 239 crew.
Isuzu ( Imperial Japanese Navy): World War II: The Nagara-class cruiser was torpedoed and damaged in the Java Sea 80 nautical miles (150 km) north west of Bima, Dutch East Indies by USS Gabilan ( United States Navy). She was then torpedoed and sunk by USS Charr ( United States Navy) at 7°38′S 118°09′E / 7.633°S 118.150°E / -7.633; 118.150. 190 crewmen killed. 437 crewmen and her C.O. rescued by Kari, and 13 by W-34 (both ( Imperial Japanese Navy)).^[53]
James W. Nesmith ( United States): World War II: Convoy HX 346: The Liberty ship was torpedoed and damaged in the Irish Sea (53°24′N 4°48′W / 53.400°N 4.800°W / 53.400; -4.800) by U-1024 ( Kriegsmarine). All 82 people on board survived. She was beached at Holyhead, Anglesey, United Kingdom but was declared a constructive total loss. Post war scuttled in the North Sea off Wilhelmshaven with a load of chemical weapons.^[54]^[55]
Kasumi ( Imperial Japanese Navy): World War II: Operation Ten-Go: The Yūgumo-class destroyer was bombed and damaged in the Pacific Ocean 150 nautical miles (280 km) south west of Nagasaki (approximately 38°N 128°E / 38°N 128°E / 38; 128 by USN aircraft. Scuttled by Fuyuzuki ( Imperial Japanese Navy) with the loss of 17 crewmen killed and 47 wounded.^[56]
HMS MTB 494 ( Royal Navy): World War II: The BPB 72'-class motor torpedo boat was rammed and sunk in the North Sea by a Schnellboot ( Kriegsmarine).^[57]
HMS MTB 5001 ( Royal Navy): World War II: The Fairmile D (modified) motor torpedo boat was sunk in the North Sea by gunfire by a Schnellboot ( Kriegsmarine).^[58]
Oldenburg ( Germany): World War II: The cargo ship was sunk off Vadheim, Sogn og Fjordane Norway by Allied aircraft.
PGM-18 ( United States Navy): World War II: The PGM-9-class gunboat was mined in Buckner Bay, Okinawa and sank with a loss of 13 crew.^[59]
S-176 and S-177 ( Kriegsmarine): World War II: The Type 1939/40 Schnellboots were sunk by HMS MTB 494, HMS MTB 493, and HMS MTB 497 (all ( Royal Navy)).^[60]
U-1195 ( Kriegsmarine): World War II: The Type VIIC submarine was depth charged and sunk in the English Channel south east of the Isle of Wight (50°33′17″N 0°56′09″W / 50.55472°N 0.93583°W / 50.55472; -0.93583) by HMS Watchman ( Royal Navy) with the loss of all 50 crew.
USS YMS-103 ( United States Navy): The minesweeper was damaged by a mine off Okinawa(26°13′N 127°54′E / 26.217°N 127.900°E / 26.217; 127.900). Beached and abandoned the next day.^[61]
Yahagi ( Imperial Japanese Navy): World War II: Operation Ten-Go: The Agano-class cruiser was bombed, torpedoed and sunk in the Pacific Ocean south of Kyushu, Japan by United States Navy aircraft.
Yamato ( Imperial Japanese Navy): World War II: Operation Ten-Go: The Yamato-class battleship was bombed, torpedoed and sunk in the Pacific Ocean south of Kyushu by United States Navy aircraft with the loss of 2,055 of her 2,332 crew.

8 April

Albert ( Germany): World War II: The cargo ship was bombed and wrecked by aircraft at Hamburg, Germany. Wreck scrapped in January 1950.^[62]
Boelcke ( Luftwaffe): World War II: The Karl Meyer-class seaplane tender was sunk by Soviet aircraft.
Franken ( Kriegsmarine): World War II: The auxiliary ship was bombed and sunk by Soviet bombers off Hela, Danzig-West Prussia.^[63]
Hans Albrecht Wedel ( Luftwaffe): World War II: The Hans Albrecht Wedel-class seaplane tender was sunk by Soviet aircraft.
S-202 and S-703 (both( Kriegsmarine)): World War II: The Type 1939/40 Schnellboots sank each other in a collision.^[60]
S-223 ( Kriegsmarine): World War II: The Type 1939/40Schnellboot was sunk by a mine.^[60]
U-774 ( Kriegsmarine): World War II: The Type VIIC submarine was depth charged and sunk in the Atlantic Ocean north west of Ireland (49°58′N 11°51′W / 49.967°N 11.850°W / 49.967; -11.850) by HMS Bentinck and HMS Calder (both Royal Navy) with the loss of all 44 crew.^[64]
U-1001 ( Kriegsmarine): World War II: The Type VIIC/41 submarine was depth charged and sunk in the Atlantic Ocean south west of Land's End, Cornwall, United Kingdom (49°19′N 10°23′W / 49.317°N 10.383°W / 49.317; -10.383) by HMS Byron and HMS Fitzroy (both Royal Navy) with the loss of all 46 crew.^[65]
U-2509 ( Kriegsmarine): World War II: The Type XXI submarine was bombed and sunk at Hamburg in a Royal Air Force air raid.^[66]
U-2514 ( Kriegsmarine): World War II: The Type XXI submarine was bombed and sunk at Hamburg in a Royal Air Force air raid.^[67]
U-3512 ( Kriegsmarine): World War II: The Type XXI submarine was bombed and sunk at Kiel in an Allied air raid.^[68]
Wilhelm Bauer ( Kriegsmarine): World War II: The submarine tender was bombed and sunk by aircraft.^[69]

9 April

Admiral Scheer ( Kriegsmarine): World War II: The Deutschland-class cruiser was sunk in a Royal Air Force air raid on Kiel, Schleswig-Holstein.
Carsten Russ ( Germany): World War II: The cargo ship was bombed and sunk by aircraft in the Skagerrak.^[70]
Charles Henderson ( United States): The Liberty ship exploded and sank at Bari, Apulia, Italy when her cargo of 2,000 tons of bombs detonated. 360 killed and 1,730 wounded in the port.^[71]
M-19 ( Kriegsmarine): World War II: The M-class minesweeper was bombed off Kiel, Germany, and was beached.^[72]
Nikko Maru ( Japan): World War II: The cargo ship was torpedoed and sunk in the Yellow Sea north-east of Tsingtao, China (36°50′N 123°55′E / 36.833°N 123.917°E / 36.833; 123.917), by USS Tirante ( United States Navy). A total of 563 passengers, 14 Gunners, 16 guard force soldiers, 2 Signalers, and 73 crewmen were killed^[73]
Ro-56 ( Imperial Japanese Navy): World War II: The Kaichū VI type submarine was depth charged and sunk off Okinodaito-Jima, Ryukyu (26°09′N 130°21′E / 26.150°N 130.350°E / 26.150; 130.350), by USS Mertz and USS Monssen both ( United States Navy). Lost with all 79 hands.^[74]
Rosnaes ( Denmark): World War II: The cargo ship was seized by the Danish Resistance off Copenhagen and ran aground on Ven, Sweden. She was refloated and taken to Landskrona. Nineteen other Danish vessels were also seized and taken to Sweden to prevent their capture by German forces.^[75]
Samida ( United Kingdom): World War II: The Liberty ship was torpedoed and sunk in the English Channel off Dungeness, Kent by a Kriegsmarine submarine.^[76]
St. Mihiel ( United States): World War II: Convoy CU 65: The cargo ship collided with Nashbulk ( United States) in the Atlantic Ocean caught fire and was abandoned.^[77]^[78]
U-804 ( Kriegsmarine): World War II: The Type IXC/40 submarine was sunk in the Kattegat off Gothenburg, Sweden (57°58′N 11°15′E / 57.967°N 11.250°E / 57.967; 11.250) by de Havilland Mosquito aircraft of 143 Squadron and 235 Squadron, Royal Air Force with the loss of all 55 crew.
U-843 ( Kriegsmarine): World War II: The Type IXC/40 submarine was sunk in the Kattegat west of Gothenburg (57°32′N 11°23′E / 57.533°N 11.383°E / 57.533; 11.383) by a rocket attack by de Havilland Mosquito aircraft of 235 Squadron, Royal Air Force with the loss of 44 of her 56 crew.
U-982 ( Kriegsmarine): World War II: The Type VIIC submarine was bombed and destroyed at Hamburg in a Royal Air Force air raid.^[79]
U-1065 ( Kriegsmarine): World War II: The Type VIIC/41 submarine was sunk in the Skaggerak (57°58′N 11°15′E / 57.967°N 11.250°E / 57.967; 11.250 by a rocket attack by de Havilland Mosquito aircraft of 143 and 235 Squadrons, Royal Air Force with the loss of all 45 crew.
U-2516 ( Kriegsmarine): World War II: The Type XXI submarine was sunk at Kiel in an Allied air raid. The wreck was scrapped post-war.^[80]
W-3 ( Imperial Japanese Navy): World War II: The No.1-class minesweeper was torpedoed and sunk off Ofunato (39°07′S 141°57′E / 39.117°S 141.950°E / -39.117; 141.950), by USS Parche ( United States Navy).^[81]

10 April

Hansa I ( Germany): World War II: The cargo ship was bombed and sunk off Gothenburg, Sweden.^[82]
Ilmenau ( Germany): World War II: The cargo ship was torpedoed and sunk by a submarine west of Libau, Latvia.^[83]
MTB 710 ( Royal Navy): World War II: The Fairmile D motor torpedo boat was sunk by a mine off Zara, Italy.^[84]
Hosei Maru ( Japan): World War II: The Oiler was torpedoed and sunk in the Sunda Strait (05°25′S 106°39′E / 5.417°S 106.650°E / -5.417; 106.650) by HNLMS O 19 ( Royal Netherlands Navy).^[85]
Neuwerk ( Germany): World War II: The refugee ship was torpedoed and sunk off the Hel Peninsula, Poland.^[86]
R-69 ( Kriegsmarine): World War II: The Type R-41 minesweeper was sunk off Hel by Soviet aircraft.^[17]
T-1 ( Kriegsmarine): World War II: The Type 35 torpedo boat was bombed and sunk by aircraft while docked at the Deutsche Werke yard in Kiel, Germany.^[87]
T-13 ( Kriegsmarine): World War II: The Type 37 torpedo boat was bombed and sunk by aircraft in the Kattegat.^[88]
U-878 ( Kriegsmarine): World War II: The Type IXC/40 submarine was depth charged and sunk in the Bay of Biscay west of Saint-Nazaire, Loire-Atlantique, France (47°35′N 10°33′W / 47.583°N 10.550°W / 47.583; -10.550) by HMS Tintagel Castle and HMS Vanquisher (both Royal Navy) with the loss of all 51 crew.^[89]
Weser ( Kriegsmarine): World War II: The incomplete auxiliary aircraft carrier, a former Admiral Hipper-class cruiser, was scuttled at Kiel, Schleswig-Holstein.

11 April

Agata Maru ( Imperial Japanese Navy): World War II: The Auxiliary Net Layer was sunk east of Car Nicobar in the Andaman Sea (08°55′N 98°38′E / 8.917°N 98.633°E / 8.917; 98.633) by Royal Air Force B-24s of 203 Squadron.^[90]
CH-7 ( Imperial Japanese Navy): World War II: The No.4-class submarine chaser was sunk east of Car Nicobar in the Andaman Sea (08°55′N 98°38′E / 8.917°N 98.633°E / 8.917; 98.633) by Royal Air Force B-24s of 203 Squadron.^[90]
M-376 ( Kriegsmarine): The M 1940 class minesweeper was sunk off Hel by Soviet aircraft.^[91]
Moltkefels ( Germany): World War II: The cargo ship was bombed by aircraft off Hela, occupied Poland, and beached.^[92]
Posen ( Kriegsmarine): World War II: The cargo ship was bombed and sunk by aircraft off Hela, occupied Poland.^[93]
TS-10 ( Kriegsmarine): World War II: The minesweeper was bombed and sunk by aircraft off Hela, occupied Poland.^[94]

12 April

Dione ( Norway): World War II: Allied aircraft bombed and sank the cargo ship at Porsgrunn, Telemark. Raised post-war, repaired and returned to service in April 1946.^[95]
Kalmar ( Germany): World War II: Allied aircraft bombed and sank the cargo ship at Porsgrunn.^[95]
USS LCS(L)-33 ( United States Navy): World War II: Kamikazes sank the Landing Craft Support off Okinawa.^[96]
USS LCT-66 ( United States Navy): World War II: The Landing Craft, Tank was lost at Pearl Harbor, Hawaii.^[97]
USS LST-493 ( United States Navy): World War II: The Landing Ship, Tank ran aground and sank off Plymouth, England (50°20′N 04°09′W / 50.333°N 4.150°W / 50.333; -4.150).^[98]
USS Mannert L. Abele ( United States Navy): World War II: A Japanese kamikaze attack using an Aichi D3A or Yokosuka MXY7 Ohka aircraft sank the Allen M. Sumner-class destroyer in the Pacific Ocean 70 nautical miles (130 km) north west of Okinawa, Japan (27°15′00″N 136°30′00″E / 27.25000°N 136.50000°E / 27.25000; 136.50000). USS LSM(R)-189 and USS LSM(R)-190 (both United States Navy), rescued the survivors.
Nordsjø ( Norway): World War II: Allied aircraft bombed and sank the coaster at Porgsrunn. Raised post-war, repaired and returned to service.^[99]
Ro-64 ( Imperial Japanese Navy): World War II: A mine sank the Japanese Type L submarine in Hiroshima Bay, Japan while she was on a training mission. Fifty crewmen, 30 students and ComSubDiv 33 were killed.^[100]
Traust ( Norway): World War II: Allied aircraft bombed and sank the coaster at Porgsrunn. Raised post-war, repaired and returned to service.^[35]
U-486 ( Kriegsmarine): World War II: The Type VIIC submarine was torpedoed and sunk in the North Sea north west of Bergen, Hordaland, Norway (60°44′N 4°39′E / 60.733°N 4.650°E / 60.733; 4.650) by HMS Tapir ( Royal Navy) with the loss of all 48 crew.^[101]
U-1024 ( Kriegsmarine): World War II: The Type VIIC/41 submarine was damaged in the Irish Sea south of the Isle of Man (53°39′N 5°03′W / 53.650°N 5.050°W / 53.650; -5.050 by a Squid attack by HMS Loch Glendhu and HMS Loch More (both Royal Navy) with the loss of nine of her 46 crew. HMS Loch More took U-1024 in tow but she foundered the next day.^[102]
Wa-104 ( Imperial Japanese Navy): World War II: The Wa-101 class auxiliary minesweeper was sunk south west of Bali by HMS Stygian ( Royal Navy).^[103]
Weserstein ( Germany): World War II: Aircraft bombed and sank the cargo ship off Pillau, East Prussia.^[104]
Will Rogers ( United States): World War II: Convoy BB 80: U-1024 ( Kriegsmarine) torpedoed the Liberty ship in the Irish Sea south west of Holyhead, Anglesey, United Kingdom (53°48′N 4°46′W / 53.800°N 4.767°W / 53.800; -4.767). Her crew beached their damaged ship at Holyhead. Later repaired and returned to service on 1 December 1945.^[105]

13 April

Karlsruhe ( Germany): World War II: The cargo ship was bombed and sunk by Soviet aircraft off the Hel Peninsula, Poland.^[106]
T-16 ( Kriegsmarine): World War II: The Type 37 torpedo boat was bombed and sunk by aircraft at Fredrikshavn, Denmark.^[107]
TA-45 ( Kriegsmarine): World War II: The Ariete-class torpedo boat was sunk by Royal Navy MTBs in the Adriatic Sea.^[108]

14 April

Belgian Airman ( Belgium): World War II: The cargo ship was torpedoed and sunk off Chesapeake Bay, Maryland, United States (36°09′N 75°05′W / 36.150°N 75.083°W / 36.150; -75.083) by U-857 ( Kriegsmarine) with the loss of one of her 47 crew. Survivors were rescued by Harold A. Jordan ( United States).
CD-31 ( Imperial Japanese Navy): World War II: The Type C escort ship was torpedoed and sunk in Hiyo Inlet, Saishu Island (33°25′N 126°15′E / 33.417°N 126.250°E / 33.417; 126.250), by USS Tirante ( United States Navy). Sank in shallow water and only partially submerged. 39 crewmen killed.^[109]
Juzan Maru ( Japan): World War II: The cargo ship was torpedoed and sunk in Hiyo Inlet, Saishu Island (33°25′N 126°15′E / 33.417°N 126.250°E / 33.417; 126.250), by USS Tirante ( United States Navy). 33 crewmen killed.^[110]
Nomi ( Imperial Japanese Navy): World War II: The Mikura-class escort ship was torpedoed and sunk in Hiyo Inlet, Saishu Island (33°25′N 126°15′E / 33.417°N 126.250°E / 33.417; 126.250), by USS Tirante ( United States Navy). Sank in shallow water and only partially submerged. 134 crewmen killed including the C.O.^[110]
R-126 ( Kriegsmarine): World War II: The Type R-41 minesweeper was sunk in The Great Belt by mines.^[17]
U-235 ( Kriegsmarine): World War II: The Type VIIC submarine was depth charged and sunk in the Kattegat (57°44′N 10°39′E / 57.733°N 10.650°E / 57.733; 10.650 by T17 ( Kriegsmarine) with the loss of all 47 crew.^[111]
U-1206 ( Kriegsmarine): The Type VIIC submarine was lost in the North Sea (57°24′N 1°37′W / 57.400°N 1.617°W / 57.400; -1.617) in a diving accident with the loss of four of her 50 crew.

15 April

CHa-151 ( Imperial Japanese Navy): World War II: The CHa-1 class auxiliary submarine chaser was wrecked in the Pescadore Islands.^[112]
Ekins ( Royal Navy): World War II: The Captain-class frigate was severely damaged by a mine in the North Sea. Declared a total constructive loss.^[113]
M-368 ( Kriegsmarine): The M 1940 class minesweeper was sunk in a collision with a U-boat off Southern Norway.^[114]
Shincho Maru ( Japan): World War II: The hulk of the Standard 1TM Tanker was raised and resunk at the entrance to Takao Harbor.^[115]
U-103 ( Kriegsmarine): World War II: The decommissioned Type IXB submarine was bombed and sunk at Kiel, Schleswig-Holstein in an air raid with the loss of one life.
U-285 ( Kriegsmarine): World War II: The Type VIIC submarine was depth charged and sunk in the Atlantic Ocean south west of Ireland (50°13′N 12°48′W / 50.217°N 12.800°W / 50.217; -12.800) by HMS Grindall and HMS Keats (both Royal Navy) with the loss of all 44 crew.^[116]
U-1063 ( Kriegsmarine): World War II: The Type VIIC/41 submarine was depth charged and sunk in the Atlantic Ocean off Land's End, Cornwall, United Kingdom (50°08′54″N 3°53′24″W / 50.14833°N 3.89000°W / 50.14833; -3.89000) by HMS Loch Killin ( Royal Navy) with the loss of 29 of her 46 crew.
U-1235 ( Kriegsmarine): World War II: The Type IXC/40 submarine was depth charged and sunk in the Atlantic Ocean by USS Frost and USS Stanton (both United States Navy) with the loss of all 57 crew.
Vs-58 ( Kriegsmarine): The Vorpostenboot struck a mine and sank in the Baltic Sea north-east of Kiel, Germany (54°32′N 10°38′E / 54.533°N 10.633°E / 54.533; 10.633).^[117]

16 April

CD-73 ( Imperial Japanese Navy): World War II: The Type C escort ship was torpedoed and sunk in the Pacific Ocean off Japan (39°36′N 142°05′E / 39.600°N 142.083°E / 39.600; 142.083) by USS Sunfish ( United States Navy).^[118]
Cap Guir ( Germany): World War II: The cargo ship was sunk by air-dropped torpedo off Öland, Sweden.^[119]
HMCS Esquimalt ( Royal Canadian Navy): World War II: The Bangor-class minesweeper was torpedoed and sunk in the Atlantic Ocean off Chebucto Head, Nova Scotia by U-190 ( Kriegsmarine with the loss of 44 of her 71 crew. She was the last Canadian warship sunk during the war.
Goya ( Kriegsmarine): World War II: Evacuation of East Prussia: The transport ship was torpedoed and damaged in the Baltic Sea north of Hela by L-3 ( Soviet Navy). She broke in two and sank the next day with the loss of between 6,220 and 7,028 lives. There were between 165 and 334 survivors.^[120]
Lützow ( Kriegsmarine): World War II: The Deutschland-class cruiser was bombed and sunk in the Kaiserfahrt. She was raised and scrapped in 1947.
Manryu Maru ( Japan): World War II: The cargo ship was torpedoed and sunk in the Pacific Ocean off Japan (39°36′N 142°05′E / 39.600°N 142.083°E / 39.600; 142.083) by USS Sunfish ( United States Navy).^[118]
USS Pringle ( United States Navy): World War II: The Fletcher-class destroyer was sunk in the Pacific Ocean off Okinawa, Japan by a kamikaze aircraft attack with the loss of 78 of her 336 crew.
R-15 ( Kriegsmarine): World War II: The Type R-2 minesweeper was sunk in the Adriatic Sea by Royal Navy MTBs.^[121]
U-78 ( Kriegsmarine): World War II: The Type VIIC submarine was shelled and sunk at Pillau, East Prussia by Soviet shore-based artillery.
U-880 ( Kriegsmarine): World War II: The Type IXC/40 submarine was depth charged and sunk in the Atlantic Ocean (47°18′N 30°26′W / 47.300°N 30.433°W / 47.300; -30.433) by USS Frost and USS Stanton (both United States Navy) with the loss of all 49 crew.^[122]^[123]
U-1274 ( Kriegsmarine): World War II: The Type VIIC/41 submarine was depth charged and sunk in the North Sea north of Newcastle-upon-Tyne, Northumberland, United Kingdom (55°36′N 1°24′W / 55.600°N 1.400°W / 55.600; -1.400) by HMS Viceroy ( Royal Navy) with the loss of all 44 crew.^[124]

17 April

HMS MTB 697 ( Royal Navy): World War II: The Fairmile D motor torpedo boat was sunk by a mine in the Adriatic Sea.^[125]
Sonjo Maru ( Japan): World War II: The cargo ship was sunk by a mine dropped by 20th Air Force B-29s in the Yangtze River near where it empties into the East China Sea on "Middle Ground" off Shanghai (31°13′N 121°52′E / 31.217°N 121.867°E / 31.217; 121.867). 5 troops and 18 crewmen killed.^[126]

18 April

Cyrus H. McCormick ( United States): World War II: Convoy HX 348: The Liberty ship was torpedoed and sunk in the Atlantic Ocean (48°05′N 6°28′W / 48.083°N 6.467°W / 48.083; -6.467) by U-1107 ( Kriegsmarine) with the loss of six of her 53 crew. Survivors were rescued by Gothland ( United Kingdom).^[71]^[127]
Empire Gold ( United Kingdom): World War II: Convoy HX 348: The tanker was torpedoed and sunk in the Atlantic Ocean (47°47′N 6°26′W / 47.783°N 6.433°W / 47.783; -6.433) by U-1107 ( Kriegsmarine) with the loss of 43 of her 47 crew. Survivors were rescued by Gothland ( United Kingdom).^[128]^[129]
Filleigh ( United Kingdom): World War II: Convoy TAM 118: The cargo ship was torpedoed and sunk in the English Channel off Dover, Kent by U-245 ( Kriegsmarine).^[130]
I-56 ( Imperial Japanese Navy): World War II: The Type B1 submarine was sunk in the Pacific Ocean off Okinawa (26°42′N 130°38′E / 26.700°N 130.633°E / 26.700; 130.633) by USS Collett, four other destroyers (all United States Navy) and United States Navy carrier-based aircraft.^[131]
Karmt ( Norway): World War II: Convoy TAM 118: The cargo ship was torpedoed and sunk in the English Channel off Dover (51°27′N 1°43′E / 51.450°N 1.717°E / 51.450; 1.717) by U-245 ( Kriegsmarine with the loss of four of her 39 crew. Survivors were rescued by HMT Sir Lancelot ( Royal Navy).^[130]
Pollux ( Germany): World War II: The cargo ship was bombed and sunk by aircraft at Hamburg, Germany. Raised 1945 and broken up in Wales in 1947.^[132]
Swiftscout ( United States): World War II: The tanker was torpedoed and sunk in the Atlantic Ocean 145 nautical miles (269 km) north east of Cape Henry, North Carolina (37°30′N 73°03′W / 37.500°N 73.050°W / 37.500; -73.050) by U-857 or U-879 (both Kriegsmarine) with the loss of one of her 47 crew. Survivors were rescued by Chancellorsville ( United States).^[133]
Teizui Maru ( Japan): World War II: The Passenger-cargo ship was damaged by a mine dropped by a B-29 at the west entrance of the Shimoneseki Strait off Yawata, Japan (34°05′N 130°50′E / 34.083°N 130.833°E / 34.083; 130.833) and beached and abandoned.^[134]

19 April

Aquila ( Kriegsmarine): The ex-Italian incomplete aircraft carrier was scuttled at Genoa. She was raised in 1946 and scrapped in 1952.
CHa-97 ( Imperial Japanese Navy): World War II: The CHa-1 class auxiliary submarine chaser was sunk in the Kii Channel (33°32′N 135°23′E / 33.533°N 135.383°E / 33.533; 135.383) by USS Sennet ( United States Navy).^[135]
Dammtor ( Germany): World War II: The cargo ship was bombed and sunk by aircraft off Unterelbe, Germany.^[136]
Kaiho Maru ( Imperial Japanese Navy): World War II: Convoy TSO-201: The auxiliary Gunboat was torpedoed and sunk in the Pacific Ocean off Hokkaido, Japan (42°22′N 142°16′E / 42.367°N 142.267°E / 42.367; 142.267) by USS Sunfish ( United States Navy).^[137]^[118]
M-403 ( Kriegsmarine): World War II: The M-class minesweeper was bombed, strafed and sunk by aircraft in the Kattegat, south-east of Anholt, Denmark.^[138]
Nygrunn ( Norway): World War II: The coaster either struck a mine, or was torpedoed and sunk in the Skaggerak off Egersund, Rogaland with the loss of seven crew.^[99]
Taisei Maru ( Japan): World War II: Convoy TSO-201: The cargo ship was torpedoed and sunk in the Pacific Ocean off Hokkaido, Japan (42°22′N 142°13′E / 42.367°N 142.217°E / 42.367; 142.217) by USS Sunfish ( United States Navy).^[118]
USS Tolman ( United States Navy): The Robert H. Smith-class destroyer ran aground on the Nagunna Reef, Japan. She was refloated on 25 April, repaired and returned to service.
U-251 ( Kriegsmarine): World War II: The Type VIIC submarine was sunk in the Kattegat (56°37′N 11°51′E / 56.617°N 11.850°E / 56.617; 11.850) by a rocket attack by de Havilland Mosquito aircraft of 143, 235 and 248 Squadrons, Royal Air Force with the loss of 39 of her 43 crew.^[139]
U-548 ( Kriegsmarine): World War II: The Type IXC/40 submarine was depth charged and sunk in the Atlantic Ocean south east of Halifax, Nova Scotia, Canada (36°34′N 74°00′W / 36.567°N 74.000°W / 36.567; -74.000) by USS Buckley and USS Reuben James (both United States Navy) with the loss of all 58 crew.^[140]
U-879 ( Kriegsmarine): World War II: The Type IX submarine was sunk in the Atlantic Ocean (42°19′N 61°45′W / 42.317°N 61.750°W / 42.317; -61.750) by USS Buckley and USS Reuben James (both United States Navy).^[141]
Westmark ( Kriegsmarine): World War II: The minelayer was scuttled at La Spezia.^[142]

20 April

Ethel Crawford ( United Kingdom): World War II: The trawler struck a mine and sank in the Firth of Clyde (55°13′N 5°14′W / 55.217°N 5.233°W / 55.217; -5.233) with the loss of all ten crew.^[143]

21 April

Ostmark ( Kriegsmarine): World War II: The minelayer was bombed and sunk by aircraft west of Anholt, Denmark.^[144]
U-636 ( Kriegsmarine): World War II: The Type VIIC submarine was depth charged and sunk in the Atlantic Ocean west of Ireland (55°50′N 10°31′W / 55.833°N 10.517°W / 55.833; -10.517) by HMS Bazely, HMS Bentinck and HMS Drury (all Royal Navy) with the loss of all 42 crew.^[145]

22 April

Idefjord ( Norway): World War II: Convoy PK 9: The tanker was torpedoed and damaged in the Barents Sea (69°40′N 33°14′E / 69.667°N 33.233°E / 69.667; 33.233) by U-997 ( Kriegsmarine) with the loss of one crew member. Survivors abandoned ship but later reboarded her. Idefjord was taken in tow by HNoMS Karmøy and HNoMS Tromøy (both Royal Norwegian Navy), arriving at Murmansk, Soviet Union the next day. Later repaired and returned to service.^[146]
USS LCS-15 ( United States Navy): World War II: The Landing Craft Support was sunk in the Pacific Ocean off Okinawa, Japan by a Japanese kamikaze attack. Survivors were rescued by USS Van Valkenburgh ( United States Navy).^[147]
Neukuhren ( Germany): World War II: The cargo ship was bombed and sunk by aircraft off Fredrikshavn, Denmark.^[148]
Onega ( Soviet Union): World War II: Convoy PK 9: The cargo ship was torpedoed and sunk in the Barents Sea (69°40′N 33°18′E / 69.667°N 33.300°E / 69.667; 33.300) by U-997 ( Kriegsmarine) with the loss of five of her 42 crew. Survivors were rescued by BO-220 and BO-228 (both Soviet Navy).^[149]
Pavin Vinogradov ( Soviet Union): The cargo ship was torpedoed and sunk in the Gulf of Alaska by I-180 ( Imperial Japanese Navy).^[150]
USS SC-1019 ( United States Navy): World War II: The SC-497-class submarine chaser ran aground and sank in the Yucatan Channel (22°28′N 84°30′W / 22.467°N 84.500°W / 22.467; -84.500) north west of Arroyos de Mantua, Cuba.^[151]
Sverre Helmersen ( Norway): World War II: The Liberty ship was torpedoed and damaged in the North Sea off Ramsgate, Kent, United Kingdom by U-2326 ( Kriegsmarine). She was towed to Falmouth, Cornwall, where she was declared a total loss. Scrapped in 1948.^[152]
USS Swallow ( United States Navy): World War II: The Auk-class minesweeper was sunk in the Pacific Ocean off the Ryukyu Islands, Japan (26°10′N 127°12′E / 26.167°N 127.200°E / 26.167; 127.200) by a kamikaze aircraft attack.
U-518 ( Kriegsmarine): World War II: The Type IXC submarine was depth charged and sunk in the Atlantic Ocean north of the Azores, Portugal (43°26′N 38°23′W / 43.433°N 38.383°W / 43.433; -38.383) by USS Carter and USS Neal A. Scott (both United States Navy) with the loss of all 56 crew.

23 April

USS Eagle 56 ( United States Navy): World War II: The Eagle-class patrol craft was torpedoed and sunk in the Atlantic Ocean 3 nautical miles (5.6 km) off Cape Elizabeth, Maine (43°33′N 70°10′W / 43.550°N 70.167°W / 43.550; -70.167) by U-853 ( Kriegsmarine) with the loss of 49 of her 62 crew. Survivors were rescued by USS Selfridge ( United States Navy).
Ingerseks ( Norway): World War II: The cargo ship was bombed and damaged in Risenfjord by Allied aircraft. She was declared a total loss.^[153]
John Carver ( United States): The Liberty ship was sunk by the explosion of her fuel tanks whilst under repair at Philadelphia, Pennsylvania. She was declared a constructive total loss, raised and scrapped.^[154]
Kruckau ( Germany): World War II: The cargo ship was scuttled in the Elbe, Germany.^[155]
Riverton ( United Kingdom): World War II: Convoy TBC 135: The cargo ship was torpedoed and damaged in the Bristol Channel off St. Ives, Cornwall (50°25′N 5°25′W / 50.417°N 5.417°W / 50.417; -5.417) by U-1023 ( Kriegsmarine) with the loss of three of her 48 crew. She was beached in St. Ives Bay. Later repaired and returned to service.^[156]
U-183 ( Kriegsmarine): World War II: The Type IXC/40 submarine was torpedoed and sunk in the Java Sea (4°57′S 112°52′E / 4.950°S 112.867°E / -4.950; 112.867) by USS Besugo ( United States Navy) with the loss of 54 of her 55 crew.
UJ 2222 ( Kriegsmarine): World War II: The Sub Chaser, a former Gabbiano-class corvette, was sunk off Genoa by USN PT Boats.^[157]
VAS 202 ( Kriegsmarine): World War II: The VAS 201 class submarine chaser was scuttled at La Spezia.^[158]

24 April

USS Frederick C. Davis ( United States Navy): World War II: Operation Teardrop: The Edsall-class destroyer escort was torpedoed and sunk in the Atlantic Ocean (43°52′N 40°15′W / 43.867°N 40.250°W / 43.867; -40.250) by U-546 ( Kriegsmarine) with the loss of 115 of her 209 crew.
Huelva ( Germany): World War II: The cargo ship was bombed and sunk by aircraft west of Libau, Latvia.^[159]
Kronos ( Germany): World War II: The cargo ship struck a mine and sank in the Vestfjord, Norway.^[160]
Oldenburg ( Kriegsmarine): World War II: The minelayer was scuttled at Genoa.^[161]
MAS 556, and MAS 557 ( Italian Social Republic Navy): World War II: The MAS 552 class MAS boats were scuttled at Imperia.^[162]
MAS 525 ( Italian Social Republic Navy): World War II: The MAS 501 class MAS boat was scuttled at Genoa or Imperia, Italy.^[163]
R-212 ( Kriegsmarine): World War II: The Type R-151 minesweeper was scuttled at Genoa.^[164]
RA 262 ( Kriegsmarine): World War II: The VAS 231 class submarine chaser was scuttled at Genoa.^[165]
S 511 ( Kriegsmarine): World War II: The MAS 552 class MAS boat was scuttled at Imperia, Italy.^[166]
SA 1 ( Kriegsmarine): World War II: The MS 11 class MS Boat was scuttled at Genoa.^[167]
SA 11 ( Kriegsmarine): World War II: The MAS 521 class MAS boat was scuttled at Imperia or Genoa, Italy.^[166]
SA 12, and SA 13 ( Kriegsmarine): World War II: The MAS 526 class MAS boats were scuttled at Imperia, Italy.^[168]
SA 14 ( Kriegsmarine): World War II: The MAS 552 class MAS boat was scuttled at Imperia, Italy.^[169]
SA 15 ( Kriegsmarine): World War II: The MAS 552 class MAS boat was scuttled off Liguria, Italy.^[170]
SA 16 ( Kriegsmarine): World War II: The MAS 552 class MAS boat was sunk off Imperia, Italy by USS PT-305 and USS PT-306 both ( United States Navy).^[171]
SA 17 ( Kriegsmarine): World War II: The MAS 424 class MAS boat was scuttled at Alta Tirreno.^[172]
SA 18 ( Kriegsmarine): World War II: The MAS 423 class MAS boat was scuttled at Alta Tirreno.^[173]
SA 19 ( Italian Social Republic Navy) or ( Kriegsmarine)(?): World War II: The MAS 501 class MAS boat was scuttled at Genoa, Italy. Raised, repaired and returned to Italian service post War, ceded to USSR in 1948 as War Reparation.^[174]
SA 20 ( Kriegsmarine): World War II: The MAS 552 class MAS boat was scuttled at Monflacone, Italy.^[175]
SA 21 ( Kriegsmarine): World War II: The MAS 526 class MAS boat was scuttled at Monflacone, Italy.^[176]
TA 31 ( Germany): World War II: The Torpedo Boat, a formerDardo-class destroyer, was scuttled at Genoa.^[177]
Tübingen ( Germany): World War II: The cargo ship was bombed and sunk by aircraft off Norway.^[178]
U-108 ( Kriegsmarine): End of World War II: The decommissioned Type IXB submarine was scuttled at Stettin, Pomerania.^[179]
U-546 ( Kriegsmarine): World War II: Operation Teardrop: The Type IXC/40 submarine was depth charged, hedgehogged and sunk in the Atlantic Ocean (43°53′N 40°07′W / 43.883°N 40.117°W / 43.883; -40.117 by USS Chatelain, USS Flaherty, USS Hayter, USS Hubbard, USS Janssen, USS Keith, USS Neunzer, USS Pillsbury and USS Varian (all ( United States Navy)) with the loss of 26 of her 59 crew.
UJ 2221, UJ 2224, UJ 2225, UJ 2226, UJ 2227, UJ 2228, UJ 6083, UJ 6084, and UJ 6086 all( Kriegsmarine): World War II: The Sub Chasers, former Gabbiano-class corvettes, were scuttled at Genoa.^[180]
VAS 238 ( Kriegsmarine): World War II: The VAS 231 class submarine chaser was scuttled at Genoa.^[181]

25 April

Emil Sauber ( Nazi Germany): World War II: The cargo ship was sunk in the Baltic Sea by TK-133 ( Soviet Navy).^[182]
Graf Zeppelin ( Kriegsmarine): World War II: The incomplete Graf Zeppelin-class aircraft carrier was scuttled at Stettin, West Pomerania. She was raised and salvaged by the Soviet Union in 1947.
Iglesias ( Nazi Germany) World War II: The cargo ship was scuttled at Genoa, Liguria Italy. She was later raised and salvaged.^[183]
R-162, R-198, R-199 all ( Kriegsmarine): World War II: The Type R-151 minesweepers were scuttled at Genoa.^[184]
RA 254, RA 258, RA 264, RA 260 all ( Kriegsmarine): World War II: The VAS 301 class submarine chasers were scuttled at Genoa.^[185]
Ro-109 ( Imperial Japanese Navy): World War II: The Ro-100-class submarine was sunk in the Pacific Ocean 165 miles south-south-west of Okino-Daito Jima (21°58′N 129°38′E / 21.967°N 129.633°E / 21.967; 129.633) by high-speed transport USS Horace A. Bass ( United States Navy).^[186]
"'SG 20"' ( Kriegsmarine): World War II: The Escort Ship, a former Generali Class torpedo Boat, was scuttled at Oneglia as a Blockship.^[187]
"'SG 23"' ( Kriegsmarine): World War II: The Escort Ship was scuttled at Genoa.^[188]
TA32 ( Kriegsmarine): World War II: The Radar Picket Destroyer/Torpedo Boat was scuttled at Genoa, Italy^[189]
U-326 ( Kriegsmarine): World War II: The Type VIIC/41 submarine was torpedoed and sunk in the Bay west of Brest, Finistère, France (48°12′N 5°42′W / 48.200°N 5.700°W / 48.200; -5.700) by a Consolidated B-24 Liberator aircraft of the United States Navy with the loss of all 43 crew.^[190]
UJ 2231 ( Kriegsmarine): World War II: The submarine chaser, a former Elan class Corvette, was scuttled at Genoa.^[191]
VAS 252, VAS 253, VAS 263 all ( Italian Social Republic Navy): World War II: The VAS 301 class submarine chasers were scuttled at Genoa.^[192]
W-41 ( Imperial Japanese Navy): World War II: The W-19 class Minesweeper was torpedoed and sunk north of Keelung, Formosa in the East China Sea (26°10′N 121°11′E / 26.167°N 121.183°E / 26.167; 121.183) by USS Cod ( United States Navy). There were 75 survivors, one was rescued by Cod as a P.O.W.^[193]

26 April

F-248A ( Kriegsmarine): World War II: The MFP (F-Lighter) was sunk in the Baltic Sea, either by TK-131 and TK-135 both ( Soviet Navy), or by Soviet airfraft.^[182]

27 April

Canada Victory ( United States): World War II: The Victory ship was sunk in the Pacific Ocean off Okinawa, Japan (26°23′N 127°41′E / 26.383°N 127.683°E / 26.383; 127.683) by a Japanese kamikaze attack. 2 gunners and 1 crewman killed. Survivors swam to USS Lauderdale ( United States Navy).^[194]
HMS Redmill ( Royal Navy): World War II: The Captain-class frigate was torpedoed and severely damaged in the Atlantic Ocean west of Ireland (54°32′N 10°36′W / 54.533°N 10.600°W / 54.533; -10.600) by U-1105 ( Kriegsmarine) with the loss of 32 of her 186 crew. She was towed to Lisahally, County Londonderry by HMS Rupert ( Royal Navy) but was declared a total constructive loss.^[195]
Sperrbrecher 167 ( Kriegsmarine): World War II: The Sperrbrecher struck a mine and sank at 53°59.3′N 8°31.6′E / 53.9883°N 8.5267°E / 53.9883; 8.5267 off Cuxhaven, Germany.^[196]

28 April

CH-17 ( Imperial Japanese Navy): World War II: The No.13-class submarine chaser was torpedoed and sunk off Tomei Harbor, Fukue Shima, Goto Archepeligo, (32°25′N 128°46′E / 32.417°N 128.767°E / 32.417; 128.767) by USS Springer.^[197]
Hashima ( Imperial Japanese Navy): World War II: The Hashima-class cable layer was torpedoed and sunk off Kii Suido south-south-east of Mikizaki, Japan (33°55′N 136°18′E / 33.917°N 136.300°E / 33.917; 136.300) by USS Sennet ( United States Navy).^[198]
USS Skylark ( United States Navy): World War II: The Auk-class minesweeper struck two mines and sank in the Pacific Ocean off Okinawa, Japan (26°20′N 127°40′E / 26.333°N 127.667°E / 26.333; 127.667) with the loss of five of her 105 crew. Survivors were rescued by USS Tolman ( United States Navy).
T-146 ( Imperial Japanese Navy): World War II: The No.101-class landing ship was torpedoed and sunk off Tomei Harbor, Fukue Shima, Goto Archepeligo, (32°25′N 128°46′E / 32.417°N 128.767°E / 32.417; 128.767) by USS Trepang.^[197]
U-56 ( Kriegsmarine): World War II: The Type IIC submarine was sunk in a Royal Air Force air raid on Kiel, Schleswig-Holstein with the loss of six of her 25 crew.^[199]
HMS BYMS 2053 ( Royal Navy): World War II: The YMS-1-class minesweeper struck a mine and sank off Porto Corsini, Ravenna, Italy.^[200]

29 April

Daishu Maru ( Japan): World War II: The Standard Type 2A Tanker (A.K.A. Taishu Maru) was torpedoed and sunk in the Pacific Ocean east of Kamaishi, Honshu (39°12′N 142°20′E / 39.200°N 142.333°E / 39.200; 142.333) by USS Cero ( United States Navy). Her C.O. and 29 crewmen killed.^[201]
F5 ( Kriegsmarine): World War II: The F-class escort ship struck a mine en route from Copenhagen, Denmark, to Swinemünde, Germany. Collided with a wreck while under tow and sank.^[202]
I-44 ( Imperial Japanese Navy): World War II: The Kaidai-class submarine was depth charged, torpedoed and sunk in the Pacific Ocean 220 miles southeast of Okinawa, Japan (24°15′N 131°16′E / 24.250°N 131.267°E / 24.250; 131.267) by a Grumman TBF Avenger from USS Tulagi ( United States Navy).^[203]
Otome Maru ( Imperial Japanese Navy): World War II: The guard ship was torpedoed and sunk by USS Besugo ( United States Navy) north of Matashiri Island.^[204]
Petropolis ( Germany): World War II: The cargo ship was bombed by aircraft at Hamburg, Germany. Beached at Juelsand in May 1945. Broken up in place in 1946.^[205]
Ro-46 ( Imperial Japanese Navy): World War II: The Kaidai-class submarine was sunk in the Pacific Ocean 220 miles southeast of Okinawa, Japan (24°15′N 131°16′E / 24.250°N 131.267°E / 24.250; 131.267) by aircraft from USS Tulagi ( United States Navy). Lost with all 86 hands.^[206]
Quito ( Kriegsmarine): World War II; The submarine tender/supply ship (A.K.A Teiju Maru and Kito Go) was torpedoed and sunk in the Java Sea off Tanjung Puting Borneo (04°11′S 111°17′E / 4.183°S 111.283°E / -4.183; 111.283) by USS Bream ( United States Navy).^[207]
U-286 ( Kriegsmarine): World War II: The Type VIIC submarine was depth charged and sunk in the Barents Sea (69°29′N 33°37′E / 69.483°N 33.617°E / 69.483; 33.617) by HMS Anguilla, HMS Cotton and HMS Loch Insh (all Royal Navy) with the loss of all 51 crew.^[208]
U-307 ( Kriegsmarine): World War II: The Type VIIC submarine was depth charged and sunk in the Barents Sea (69°24′N 33°44′E / 69.400°N 33.733°E / 69.400; 33.733) by HMS Loch Insch ( Royal Navy) with the loss of 37 of her 51 crew.^[209]
U-1017 ( Kriegsmarine): World War II: The Type VIIC/41 submarine was depth charged and sunk in the Atlantic Ocean north west of Ireland (56°04′N 11°06′W / 56.067°N 11.100°W / 56.067; -11.100) by a Consolidated B-24 Liberator aircraft of 120 Squadron, Royal Air Force with the loss of all hands (34 known dead).^[210]

30 April

HMS Goodall ( Royal Navy): World War II: Convoy RA 66: The Captain-class frigate was scuttled by gunfire from the frigate HMS Anguilla ( Royal Navy) in the Barents Sea. Goodall had been torpedoed and severely damaged by U-286 ( Kriegsmarine) with the loss of 112 of her 156 crew on 29 April 1945.^[211]^[212]
Miho Maru ( Japan): World War II: The cargo ship was torpedoed and sunk in the Yellow Sea by the submarine USS Trepang ( United States Navy).^[213]
Nuwajima ( Imperial Japanese Navy): World War II: The Hirashima-class minelayer (A.K.A. Nuwashima) was bombed and damaged by B-29s of the 314th Bomb Group. Her stern was hit and blown off and she was beached on Onyu Shima (32°56′N 131°05′E / 32.933°N 131.083°E / 32.933; 131.083). 14 crewmen killed. Scrapped post War.^[214]
TA43 ( Kriegsmarine): World War II: The Beograd-class destroyer was sunk by Yugoslav artillery, or scuttled, at Trieste, Italy.
U-879 ( Kriegsmarine): World War II: The Type IXC/40 submarine was depth charged and sunk in the Atlantic Ocean east of Cape Hatteras, North Carolina, United States (36°34′N 74°00′W / 36.567°N 74.000°W / 36.567; -74.000) by USS Bostwick, USS Coffman, USS Natchez, and USS Thomas (all United States Navy) with the loss of all 52 crew.^[215]
U-1107 ( Kriegsmarine): World War II: The Type VIIC/41 submarine was bombed and sunk in the Bay of Biscay west of Brest, Finistère, France (48°00′N 6°30′W / 48.000°N 6.500°W / 48.000; -6.500) by a United States Navy Consolidated PBY of Squadron VP-63 with the loss of 37 crew.^[216]
U-3525 ( Kriegsmarine): World War II: The Type XXI submarine was bombed and damaged in the western Baltic Sea. She was consequently scuttled at Kiel, Schleswig-Holstein on 3 May.^[217]

Unknown date

Adler ( Kriegsmarine): World War II: The training ship was sunk by Allied bombers at Kiel.^[218]
CHa-199 ( Imperial Japanese Navy): World War II: The CHa-1 class auxiliary submarine chaser was sunk off Matsure Light, Japan by a mine sometime in April.^[219]
Hummel ( Germany): World War II: The cargo ship was wrecked at Stettin, Germany. Wreck scuttled in 1947.^[220]
Kibitsu Maru ( Imperial Japanese Army): World War II: The Kibitsu Maru-class landing craft depot ship sprung a major leak near Kobe and was beached to prevent sinking sometime in April. Refloated in April and was under repair from April–July before returning to service.^[221]
HMS MGB 99 ( Royal Navy): World War II: The VTB-11-class motor gun boat was lost sometime in April.^[222]
R-224 ( Kriegsmarine): World War II: The Type R-218 minesweeper was sunk at Swinemunde by Soviet aircraft sometime in April.^[8]
RA 261 ( Kriegsmarine): World War II: The VAS 231 class submarine chaser was scuttled at La Spezia sometime in April.^[223]
SA 2 and SA 3 ( Kriegsmarine): World War II: The MS 11 class MS Boats were scuttled at La Spezia sometime in April.^[224]
SA 4 ( Kriegsmarine): World War II: The MS 51 class MS Boat was scuttled at La Spezia sometime in April.^[225]
USS Snook ( United States Navy): The Gato-class submarine was lost in the South China Sea between 8 and 20 April, cause unknown.^[226]
U-59 ( Kriegsmarine): End of World War II: The Type IIC submarine was scuttled at Kiel.^[227]
U-246 ( Kriegsmarine): World War II: The Type VIIC submarine was lost on patrol in the Irish Sea south of the Isle of Man with the loss of all 48 crew.^[228]
U-396 ( Kriegsmarine): World War II: The Type VIIC submarine was lost on patrol with the loss of all 45 crew. Cause unknown.^[229]
U-398 ( Kriegsmarine): World War II: The Type VIIC submarine was lost on patrol in the Atlantic Ocean or Arctic Sea on or after 17 April with the loss of all 43 crew.^[230]
U-548 ( Kriegsmarine): World War II: The Type IX submarine was depth charged and sunk in the Atlantic Ocean off Cape Henry, Virginia, United States (36°34′N 74°00′W / 36.567°N 74.000°W / 36.567; -74.000) by USS Bostwick, USS Coffman, USS Natchez and USS Thomas (DE-102) (all United States Navy).^[231]^[232] Various dates are given by different sources, 19, 29 and 30 April.
U-857 ( Kriegsmarine): World War II: The Type IXC/40 submarine was lost on patrol in the Atlantic Ocean off the east coast of the United States after 14 April with the loss of all 59 crew. Cause unknown.^[233]
U-1055 ( Kriegsmarine): World War II: The Type VIIC submarine was lost on patrol in the Atlantic Ocean or English Channel with the loss of all 49 crew. Cause unknown.^[234]
VAS 203, and VAS 225 ( Kriegsmarine): World War II: The VAS 201 class submarine chasers were scuttled at Alto Tirreno.^[158]

References

↑ "Belgian Merchant A-G" (PDF). Belgische Koopvaardij. Retrieved 1 October 2010.
↑ "U-747". Uboat. Retrieved 18 April 2012.
↑ "U-1131". Uboat. Retrieved 27 April 2012.
↑ 4.0 4.1 4.2 "Japanese Escorts". Combinedfleet.com. Retrieved 2 April 2013.
↑ "M/S Concordia". Warsailors. Retrieved 9 February 2012.
↑ 6.0 6.1 "Norwegian Homefleet – WW II, Ships starting with Ships starting with W, Y, Ø & Å". Warsailors. Retrieved 11 February 2012.
↑ 7.0 7.1 7.2 "Japanese Escorts". Combinedfleet.com. Retrieved 2 April 2013.
↑ 8.0 8.1 8.2 "German coastal minesweeper Type R-218". Warshipsww2.Eu. Retrieved 3 April 2015.
↑ "U-321". Uboat. Retrieved 16 March 2012.
↑ "Axenfels (5615209)". Miramar Ship Index. Retrieved 12 August 2012. (subscription required (help)).
↑ 11.0 11.1 "Japanese Escorts". Combinedfleet.com. Retrieved 3 April 2013.
↑ 12.0 12.1 "Official Chronology of the US Navy in WWII". Ibiblio. Retrieved 3 April 2013.
↑ "German minelayers Irben class". Warshipsww2.Eu. Retrieved 21 April 2015.
↑ "M-802 (6121705)". Miramar Ship Index. Retrieved 16 October 2012. (subscription required (help)).
↑ "Monte Olivia (5606342)". Miramar Ship Index. Retrieved 27 October 2012. (subscription required (help)).
↑ "New York (5606668)". Miramar Ship Index. Retrieved 16 October 2012. (subscription required (help)).
↑ 17.0 17.1 17.2 "German coastal minesweeper Type R-41". Warshipsww2.Eu. Retrieved 2 April 2015.
↑ "U-1221". Uboat. Retrieved 27 April 2012.
↑ "U-2542". Uboat. Retrieved 29 April 2012.
↑ "YMS-71 of the US Navy". U Boat.net. Retrieved 3 April 2013.
↑ "Feodosia (5605703)". Miramar Ship Index. Retrieved 27 March 2012. (subscription required (help)).
↑ "Japanese Escorts". Combinedfleet.com. Retrieved 4 April 2013.
↑ "Landing Craft, Infantry LCI". navsource.org. Retrieved 4 April 2013.
↑ "LSM-12 of the US Navy". U Boat.net. Retrieved 4 April 2013.
↑ "LST-675 of the US Navy". U Boat.net. Retrieved 5 April 2013.
↑ "U-237". Uboat. Retrieved 10 March 2012.
↑ "U-749 (6116539)". Miramar Ship Index. Retrieved 17 April 2012. (subscription required (help)).
↑ "U-749". Uboat. Retrieved 18 April 2012.
↑ "U-3003". Uboat. Retrieved 29 April 2012.
↑ "Gasray". Uboat. Retrieved 29 April 2012.
↑ "Japanese Auxiliary Seaplane Tenders". Combinedfleet.com. Retrieved 7 April 2013.
↑ "Combinedfleet CD-20". Combinedfleet.com. Retrieved 30 December 2012.
↑ "DD-475". Dictionary of American Naval Fighting Ships. Navy Department, Naval History & Heritage Command. Retrieved 21 January 2012.
↑ "Combinedfleet CD-1". Combinedfleet.com. Retrieved 5 April 2013.
↑ 35.0 35.1 "Norwegian Homefleet – WW II, Ships starting with To through Ty". Warsailors. Retrieved 11 February 2012.
↑ "U-242". Uboat. Retrieved 12 March 2012.
↑ "U-677". Uboat. Retrieved 15 April 2012.
↑ "Long Lancers". Combinedfleet.com. Retrieved 6 April 2014.
↑ "Japanese Escorts". Combinedfleet.com. Retrieved 6 April 2013.
↑ "Japanese Escorts". Combinedfleet.com. Retrieved 6 April 2013.
↑ "Official Chronology of the US Navy in WWII". Ibiblio. Retrieved 6 April 2014.
↑ Silverstone, Paul (1965). US Warships of World War II. Garden City N.Y.: Doubleday. p. 396.
↑ "Cuba". Uboat. Retrieved 27 April 2012.
↑ "Victory Ships H – I – J". Mariners. Retrieved 6 January 2012.
↑ "Serene". Dictionary of American Naval Fighting Ships. Navy Department, Naval History & Heritage Command. Retrieved 2 May 2012.
↑ "Success". Dictionary of American Naval Fighting Ships. Navy Department, Naval History & Heritage Command. Retrieved 2 May 2012.
↑ "Official Chronology of the US Navy in WWII". Ibiblio. Retrieved 7 April 2013.
↑ 48.0 48.1 48.2 Silverstone, Paul (1965). US Warships of World War II. Garden City N.Y.: Doubleday. p. 398.
↑ Gordon, Bill. "47 Ships Sunk by Kamikaze Aircraft". Kamikaze Images. Retrieved 2 November 2013.
↑ "German Transport Sunk" The Times (London). Saturday, 7 April 1946. (50111), col E, p. 3.
↑ "Japanese Minesweepers". Combinedfleet.com. Retrieved 9 April 2013.
↑ "Flensburg (5285679)". Miramar Ship Index. Retrieved 27 October 2012. (subscription required (help)).
↑ "Imperial Cruisers". Combinedfleet.com. Retrieved 7 April 2013.
↑ "Liberty Ships J – Ji". Mariners. Retrieved 6 January 2012.
↑ "James W. Nesmith". Uboat. Retrieved 26 April 2012.
↑ "Long Lancers". Combinedfleet.com. Retrieved 7 April 2013.
↑ "HMS MTB 494 of the Royal Navy". Uboat. Retrieved 7 April 2013.
↑ "HMS MTB 5001 of the Royal Navy". Uboat. Retrieved 7 April 2013.
↑ Silverstone, Paul (1965). US Warships of World War II. Garden City N.Y.: Doubleday. p. 408.
↑ 60.0 60.1 60.2 http://german-navy.de/kriegsmarine/ships/fastattack/schnellboot1940/ships.html accessdate=6 April 2014
↑ "YMS-103 of the US Navy". U Boat.net. Retrieved 8 April 2013.
↑ "Albert (1132911)". Miramar Ship Index. Retrieved 25 November 2012. (subscription required (help)).
↑ "Franken – History". German Naval History. 25 June 2003. Retrieved 19 July 2012.
↑ "U-774". Uboat. Retrieved 21 April 2012.
↑ "U-1001". Uboat. Retrieved 26 April 2012.
↑ "U-2509". Uboat. Retrieved 29 April 2012.
↑ "U-2514". Uboat. Retrieved 29 April 2012.
↑ "U-3512". Uboat. Retrieved 29 April 2012.
↑ "Wilhelm Bauer – History". German Naval History. 25 June 2003. Retrieved 19 July 2012.
↑ "Carsten Russ (5607985)". Miramar Ship Index. Retrieved 24 March 2012. (subscription required (help)).
↑ 71.0 71.1 "Liberty Ships – C". Mariners. Retrieved 6 January 2012.
↑ "M-19 (6111263)". Miramar Ship Index. Retrieved 21 July 2012. (subscription required (help)).
↑ "Japanese Escorts". Combinedfleet.com. Retrieved 9 April 2013.
↑ "Japanese Submarines". Combinedfleet.com. Retrieved 6 April 2013.
↑ "Danish Ships Taken To Sweden" The Times (London). Wednesday, 11 April 1946. (50114), col E, p. 4.
↑ "Liberty Ships – S". Mariners. Retrieved 6 January 2012.
↑ "CONVOY CU 65". Warsailors. Retrieved 12 June 2012.
↑ "U.S. Ships Sunk, Damaged or Detained in North Atlantic During World War II". USMM.org. Retrieved 12 June 2012.
↑ "U-982". Uboat. Retrieved 25 April 2012.
↑ "U-2516". Uboat. Retrieved 29 April 2012.
↑ "Japanese Minesweepers". Combinedfleet.com. Retrieved 9 April 2013.
↑ "Hansa I (5615141)". Miramar Ship Index. Retrieved 27 March 2012. (subscription required (help)).
↑ "Ilmenau (5605904)". Miramar Ship Index. Retrieved 27 October 2012. (subscription required (help)).
↑ "HMS MTB 710 of the Royal Navy". Uboat. Retrieved 11 April 2013.
↑ "Japanese Oilers". Combinedfleet.com. Retrieved 10 April 2014.
↑ "Neuwerk (1132066)". Miramar Ship Index. Retrieved 27 July 2012. (subscription required (help)).
↑ "T-1 (6110962)". Miramar Ship Index. Retrieved 20 July 2012. (subscription required (help)).
↑ "T-13 (6112434)". Miramar Ship Index. Retrieved 20 July 2012. (subscription required (help)).
↑ "U-878". Uboat. Retrieved 23 April 2012.
↑ 90.0 90.1 "Japanese Submarine Chasers". Combinedfleet.com. Retrieved 11 April 2013.
↑ "Germany Escort Minesweepers Type 1940". Warshipsww2. Retrieved 2 April 2015.
↑ "Moltkefels (5614106)". Miramar Ship Index. Retrieved 27 October 2012. (subscription required (help)).
↑ "Posen (5606273)". Miramar Ship Index. Retrieved 27 October 2012. (subscription required (help)).
↑ "TS-10 (6120343)". Miramar Ship Index. Retrieved 4 August 2012. (subscription required (help)).
↑ 95.0 95.1 "Norwegian Homefleet – WW II, Ships starting with D". Warsailors. Retrieved 9 February 2012.
↑ "LCS(L)-33 of the US Navy". Uboat. Retrieved 12 April 2013.
↑ "LCT-66 of the US Navy". Uboat. Retrieved 12 April 2013.
↑ "LST-493 of the US Navy". Uboat. Retrieved 12 April 2013.
↑ 99.0 99.1 "Norwegian Homefleet – WW II, Ships starting with N". Warsailors. Retrieved 10 February 2012.
↑ "Japanese Escorts". Combinedfleet.com. Retrieved 12 April 2013.
↑ "U-486". Uboat. Retrieved 27 March 2012.
↑ "U-1024". Uboat. Retrieved 26 April 2012.
↑ "101-Go auxiliary minesweepers". Navypedia. Retrieved 13 April 2015.
↑ "Weserstein (5615217)". Miramar Ship Index. Retrieved 27 October 2012. (subscription required (help)).
↑ "Will Rogers". Uboat. Retrieved 26 April 2012.
↑ "Karlsruhe (5602465)". Miramar Ship Index. Retrieved 27 October 2012. (subscription required (help)).
↑ "T-16 (6112437)". Miramar Ship Index. Retrieved 20 July 2012. (subscription required (help)).
↑ "RMAriete.htm". SteelNavy.com. Retrieved 14 April 2013.
↑ "Japanese Escorts". Combinedfleet.com. Retrieved 14 April 2013.
↑ 110.0 110.1 "Japanese Minesweepers". Combinedfleet.com. Retrieved 14 April 2013.
↑ "U-235". Uboat. Retrieved 10 March 2012.
↑ "1-Go auxiliary submarine chasers". Navypedia. Retrieved 19 April 2015.
↑ "HMS Ekins (K 552)". Uboat.net. Retrieved 15 March 2012.
↑ "M-368 (6116018)". Miramar Ship Index. Retrieved 4 August 2012. (subscription required (help)).
↑ "Japanese Oilers". Combinedfleet.com. Retrieved 15 April 2014.
↑ "U-285". Uboat. Retrieved 14 March 2012.
↑ "Vs.58 (5614999)". Miramar Ship Index. Retrieved 3 September 2012. (subscription required (help)).
↑ 118.0 118.1 118.2 118.3 "Sunfish". Dictionary of American Naval Fighting Ships. Navy Department, Naval History & Heritage Command. Retrieved 4 January 2012.
↑ "Cap Guir (1148927)". Miramar Ship Index. Retrieved 24 March 2012. (subscription required (help)).
↑ "M/S Goya". Warsailors. Retrieved 9 February 2012.
↑ "German coastal minesweeper Type R-2". Warshipsww2.Eu. Retrieved 2 April 2015.
↑ "Croatan". Dictionary of American Naval Fighting Ships. Navy Department, Naval History & Heritage Command. Retrieved 11 January 2012.
↑ "U-880". Uboat. Retrieved 23 April 2012.
↑ "U-1274". Uboat. Retrieved 28 April 2012.
↑ "HMS MTB 697 of the Royal Navy". Uboat. Retrieved 17 April 2013.
↑ "Japanese Minesweepers". Combinedfleet.com. Retrieved 17 April 2014.
↑ "Cyrus H. McCormick". Uboat. Retrieved 27 April 2012.
↑ Mitchell, W H, and Sawyer, L A (1995). The Empire Ships. London, New York, Hamburg, Hong Kong: Lloyd's of London Press Ltd. p. not cited. ISBN 1-85044-275-4.
↑ "Empire Gold". Uboat. Retrieved 27 April 2012.
↑ 130.0 130.1 "D/S Karmt". Warsailors. Retrieved 25 January 2012.
↑ "DD-730". Dictionary of American Naval Fighting Ships. Navy Department, Naval History & Heritage Command. Retrieved 24 January 2012.
↑ "Pollux (5602533)". Miramar Ship Index. Retrieved 21 July 2012. (subscription required (help)).
↑ "Swiftscout". Uboat. Retrieved 22 April 2012.
↑ "Ex-German Merchants in Japanese Service". Combinedfleet.com. Retrieved 18 April 2013.
↑ "1-Go auxiliary submarine chasers". Navypedia. Retrieved 19 April 2015.
↑ "Dammtor (5615133)". Miramar Ship Index. Retrieved 1 May 2012. (subscription required (help)).
↑ "auxiliary gunboats of World War II". Navypedia. Retrieved 20 April 2015.
↑ "M-403 (6116024)". Miramar Ship Index. Retrieved 4 August 2012. (subscription required (help)).
↑ "U-251". Uboat. Retrieved 13 March 2012.
↑ "U-548". Uboat. Retrieved 6 April 2012.
↑ "Buckley". Dictionary of American Naval Fighting Ships. Navy Department, Naval History & Heritage Command. Retrieved 28 January 2012.
↑ "German minelayers captured". Warshipsww2.Eu. Retrieved 21 April 2015.
↑ "Ethel Crawford". Uboat. Retrieved 9 March 2012.
↑ "Ostmark (5607487)". Miramar Ship Index. Retrieved 27 October 2012. (subscription required (help)).
↑ "U-636". Uboat. Retrieved 14 April 2012.
↑ "Idefjord". Uboat. Retrieved 25 April 2012.
↑ "Official Chronology of the US Navy in WWII". Ibiblio. Retrieved 12 April 2013.
↑ "Neukuhren (5606101)". Miramar Ship Index. Retrieved 31 March 2012. (subscription required (help)).
↑ "Onega". Uboat. Retrieved 25 April 2012.
↑ "The unknown World War II in the North Pacific". KSCnet. Retrieved 26 April 2014.
↑ "SC-1019 of the US Navy". U Boat.net. Retrieved 22 April 2013.
↑ "D/S Sverre Helmersen". Warsailors. Retrieved 8 February 2012.
↑ "Norwegian Homefleet – WW II, Ships starting with I". Warsailors. Retrieved 9 February 2012.
↑ "Liberty Ships – Joaquin – Johns". Mariners. Retrieved 6 January 2012.
↑ "Kruckau (11560)". Miramar Ship Index. Retrieved 15 August 2012. (subscription required (help)).
↑ "Riverton". Uboat. Retrieved 26 April 2012.
↑ "German Sub Chasers Captured Italian". WarshipsWW2. Retrieved 6 April 2015.
↑ 158.0 158.1 "Italian submarine chaser class VAS 201". Warshipsww2. Retrieved 4 April 2015.
↑ "Huelva (5615204)". Miramar Ship Index. Retrieved 27 October 2012. (subscription required (help)).
↑ "Kronos (5606344)". Miramar Ship Index. Retrieved 31 March 2012. (subscription required (help)).
↑ "German minelayers captured". Warshipsww2.Eu. Retrieved 21 April 2015.
↑ "Italian motor torpedo boat Type MAS 552". Warshipsww2. Retrieved 3 April 2015.
↑ "Italian motor torpedo boat Type MAS 501". Warshipsww2. Retrieved 3 April 2015.
↑ "German coastal minesweeper Type R-218". Warshipsww2.Eu. Retrieved 3 April 2015.
↑ "Italian submarine chaser class VAS 231". Warshipsww2. Retrieved 3 April 2015.
↑ 166.0 166.1 "Germany Ex-Italian". Warshipsww2. Retrieved 8 April 2015.
↑ "Italian motor torpedo boat Type MS 11". Warshipsww2. Retrieved 3 April 2015.
↑ "Italian motor torpedo boat Type MAS 526". Warshipsww2. Retrieved 3 April 2015.
↑ "Italian motor torpedo boat Type MAS 552". Warshipsww2. Retrieved 3 April 2015.
↑ "Italian motor torpedo boat Type MAS 552". Warshipsww2. Retrieved 3 April 2015.
↑ "Italian motor torpedo boat Type MAS 552". Warshipsww2. Retrieved 3 April 2015.
↑ "Italian motor torpedo boat Type MAS 424". Warshipsww2. Retrieved 9 September 2014.
↑ "Italian motor torpedo boat Type MAS 423". Warshipsww2. Retrieved 3 April 2015.
↑ "Italian motor torpedo boat Type MAS 501". Warshipsww2. Retrieved 3 April 2015.
↑ "Italian motor torpedo boat Type MAS 552". Warshipsww2. Retrieved 3 April 2015.
↑ "Italian motor torpedo boat Type MAS 526". Warshipsww2. Retrieved 3 April 2015.
↑ "Italy Destroyer Dardo Class". WarshipsWW2. Retrieved 19 April 2015.
↑ "Tubingen (5605012)". Miramar Ship Index. Retrieved 1 May 2012. (subscription required (help)).
↑ "U-108". Uboat. Retrieved 23 February 2012.
↑ "German Sub Chasers Captured Italian". WarshipsWW2. Retrieved 5 April 2015.
↑ "Italian submarine chaser class VAS 231". Warshipsww2. Retrieved 3 April 2015.
↑ 182.0 182.1 "Soviet Naval Battles-Baltic sea". Sovietempire.com. Retrieved 12 April 2015.
↑ "Belgian Merchant H-O" (PDF). Belgische Koopvaardij. Retrieved 31 October 2010.
↑ "German coastal minesweeper Type R-218". Warshipsww2.Eu. Retrieved 3 April 2015.
↑ "Italian submarine chaser class VAS 231". Warshipsww2. Retrieved 5 April 2015.
↑ "Japanese Submarines". Combinedfleet.com. Retrieved 25 April 2013.
↑ "Germany coastal escort ships captured Italian". Warshipsww2.Eu. Retrieved 8 April 2015.
↑ "Germany coastal escort ships captured Italian". Warshipsww2.Eu. Retrieved 21 April 2015.
↑ "TA32 Torpedo Boat(1932-1944)". Navypedia. Retrieved 25 November 2012.
↑ "U-326". Uboat. Retrieved 16 March 2012.
↑ "Germany coastal escort ships captured Italian". Warshipsww2.Eu. Retrieved 8 April 2015.
↑ "Italian submarine chaser class VAS 231". Warshipsww2. Retrieved 5 April 2015.
↑ "Cod". Dictionary of American Naval Fighting Ships. Navy Department, Naval History & Heritage Command. Retrieved 1 January 2012.
↑ "Victory Ships – C". Mariners. Retrieved 6 January 2012.
↑ "HMS Redmill (K 554)". Uboat. Retrieved 27 April 2012.
↑ "Sperrbrecher 167 (3007688)". Miramar Ship Index. Retrieved 31 March 2012. (subscription required (help)).
↑ 197.0 197.1 "Japanese Submarine Chasers". Combinedfleet.com. Retrieved 29 April 2013.
↑ "Japanese Cable-Layers". Combinedfleet.com. Retrieved 29 April 2013.
↑ "U-56". Uboat. Retrieved 14 February 2012.
↑ "HMS BYMS 2053 of the Royal Navy". Uboat. Retrieved 28 April 2013.
↑ "Japanese Oilers". Combinedfleet.com. Retrieved 29 April 2014.
↑ "Flottenbegleiter 5 - History". German Naval History. 25 June 2003. Retrieved 21 July 2012.
↑ "Imperial Submarines". Combinedfleet.com. Retrieved 29 April 2013.
↑ "Official Chronology of the US Navy in WWII". Ibiblio. Retrieved 29 April 2014.
↑ "Petropolis (1146583)". Miramar Ship Index. Retrieved 12 June 2012. (subscription required (help)).
↑ "Imperial Submarines". Combinedfleet.com. Retrieved 8 April 2014.
↑ "Japanese Auxiliary Submarine Tenders". Combinedfleet.com. Retrieved 29 April 2013.
↑ "U-286". Uboat. Retrieved 14 March 2012.
↑ "U-307". Uboat. Retrieved 15 March 2012.
↑ "U-1017". Uboat. Retrieved 26 April 2012.
↑ "Reybold". Dictionary of American Naval Fighting Ships. Navy Department, Naval History & Heritage Command. Retrieved 30 January 2012.
↑ "HMS Goodall (K 479)". Uboat. Retrieved 14 March 2012.
↑ "Japanese Escorts". Combinedfleet.com. Retrieved 2 May 2013.
↑ "Japanese minelayers". Combinedfleet.com. Retrieved 7 May 2014.
↑ "U-879". Uboat. Retrieved 23 April 2012.
↑ "U-1107". Uboat. Retrieved 27 April 2012.
↑ "U-3525". Uboat. Retrieved 30 April 2012.
↑ Johnny E. Balsved, ed. (4 April 2005). "Peder Skram (1908-1943)". Naval History – Royal Danish Navy. Retrieved 12 February 2012.
↑ "1-Go auxiliary submarine chasers". Navypedia. Retrieved 19 April 2015.
↑ "Hummel (1095179)". Miramar Ship Index. Retrieved 25 November 2012. (subscription required (help)).
↑ "Japanese Army/Navy landing Craft Depot Ship". Combinedfleet.com. Retrieved 7 August 2013.
↑ "HMS MGB 99 of the Royal Navy". Uboat. Retrieved 1 April 2014.
↑ "Italian submarine chaser class VAS 231". Warshipsww2. Retrieved 3 April 2015.
↑ "Italian motor torpedo boat Type MS 11". Warshipsww2. Retrieved 3 April 2015.
↑ "Italian motor torpedo boat Type MS 51". Warshipsww2. Retrieved 4 April 2015.
↑ "Snook". Dictionary of American Naval Fighting Ships. Navy Department, Naval History & Heritage Command. Retrieved 4 January 2012.
↑ "U-59". Uboat. Retrieved 15 February 2012.
↑ "U-246". Uboat. Retrieved 12 March 2012.
↑ "U-396". Uboat. Retrieved 20 March 2012.
↑ "U-398". Uboat. Retrieved 20 March 2012.
↑ "Coffman". Dictionary of American Naval Fighting Ships. Navy Department, Naval History & Heritage Command. Retrieved 28 January 2012.
↑ "THOMAS". Dictionary of American Naval Fighting Ships. Navy Department, Naval History & Heritage Command. Retrieved 29 January 2012.
↑ "U-857". Uboat. Retrieved 22 April 2012.
↑ "U-1055". Uboat. Retrieved 27 April 2012.

Ship events in 1945
Ship launches:	1940	1941	1942	1943	1944	1945	1946	1947	1948	1949	1950
Ship commissionings:	1940	1941	1942	1943	1944	1945	1946	1947	1948	1949	1950
Ship decommissionings:	1940	1941	1942	1943	1944	1945	1946	1947	1948	1949	1950
Shipwrecks:	1940	1941	1942	1943	1944	1945	1946	1947	1948	1949	1950

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