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IJN Warships Data Base 1937-1945

Part 1 – Battleships, Aircraft Carriers, Seaplane Carriers, Cruisers, Armed Merchant Cruisers, Submarines, Submarine Tenders

Battleships

Fuso Class

Displacement: 34,700 tons           Dimensions: 698’10”x100’5”x31’9”

Machinery: 4 shaft Kampon turbines 6 Kampon boilers 75,000 shp=24.7 knots   

Oil: 5,100 tons             Radius: 11,800 miles @ 16 kots

Armament: 12-14”/45cal, 14-6”/50cal, 8-5”/50cal, 37-25mm       Crew: 1,630 

Fuso           Completed:  08.11.15  sunk 25.10.44 at 0345hrs by US battleships in Surigao Strait   

Yamashiro Completed: 31.03.17  sunk 25.10.44 at 0419hrs by US warships in Surigao Strait  

Ise Class

as BB/CV

Displacement: 35,800 tons           Dimensions: 700’wl x104’0”x30’2”

Machinery: 4 shaft Kampon turbines 8 Kampon boilers  80,825 shp=25 knots   

Oil: 5,113 tons             Radius: 7,870 miles @ 16 knots

Armament: 12-14”/45cal, 16-5,5”/50cal, 8-5”/40cl, 20-25mm, 3 aircraft       Crew: 1,463

                      8-14”/45cal, 16-5”/40cal, 104-25mm, 22 aircraft

Note: Two aft turrets replaced by hangar, small aircraft handling deck and 2 large catapults in 1943

Hyuga       Completed: 30.04.18   sunk 28.07.45 by US aircraft off Kure (34-10N 132-33E)    200+ dead. Wreck raised 07.02.46 and scrapped

Ise              Completed: 15.12.17  sunk 28.07.45 at 1800hrs by US aircraft off Kure (34-15N 132-31E) Wreck not raised, scrapped in place 1946-47

Kongo Class

Ex-Battle Cruisers

Displacement: 32,156 tons           Dimensions:  728’4”x101’’x’31’

Machinery: 4 shaft Kampon turbines 8 Kampon boilers 136,000 shp=30 knots   

Oil: 6,330 tons             Radius: 10,000 miles @ 18 knots

Armament: 8-14”/45cal, 14-6”/50cal, 8-5”/40cal 34-25mm          Crew: 1,437

                     8-14”/45cal, 8-6”/50cal, 12-5”/40cal 118-25mm (1944-45)

Haruna     Completed: 19.04.15 sunk 28.07.45 at 1615hrs by US aircraft off Eta Jima  Scrapped between 1946-48

Hiei            Completed: 04.08.14 sunk 13.11.42 by US cruisers and aircraft off Savo Is

Kirishima Completed: 19.04.15  sunk 15.11.42 at 0325hrs by USS Washington (BB-56) 7 miles northwest  Savo Is.

Kongo       Completed: 16.08.13                     sunk 21.11.44 at 0524hrs by USS Sealion (SS-315) 60 miles north of Keelung  

Nagato Class

Displacement: 39,130 tons           Dimensions:  725’x113’6”x31’2”

Machinery: 4 shaft Kampon turbines 10 Kampon boilers   82,300shp=25 knots   

Oil: 5,650 tons             8,650 miles @ 16 knots

Armament: 8-16”/45cal, 18-5.5”/50cal, 8-5”/40cal, 20-25mm      Crew: 1,368

Mutsu        Completed: 22.11.21   sunk 08.06.43 at 1213 hrs by internal explosion 2 miles southwest  of Hashirajima

Nagato      Completed: 25.11.20   surrendered at Yokosuka. Sunk as target vessel at  Bikini Atoll 29.07.46

Yamato Class

Displacement: 64,000 tons           Dimensions:  862’10”x123’1”x32’11”

Machinery: 4 shaft Kampon turbines 12 Kampon boilers 150,000 shp=27 knots   

Oil: 6,300 tons             Radius: 7,200 miles @ 16 knots

Armament: 9-18.1”/45cal, 6-6.1”/55cal, 24-5”/40cal, 130-25mm                    Crew: 3,300

Musashi    Completed: 05.08.42 sunk 23.10.44 at 1936hrs by US aircraft  

Shinnano  Completed: ----            Converted to a aircraft carrier

Yamato    Completed: 16.12.41 sunk 07.04.45 at 1423hrs by US aircraft    

Aircraft Carriers

Akagi Class

Note: Converted while under construction from Battle Cruiser

Displacement:  36,500 tons          Dimensions: 855’3”wlx102’9”x28’7”

Machinery: 4 shaft Bihon turbines  19 Kampon boilers  133,000 shp= 31 knots  

Oil: 5,775 tons  Radius 8,200 miles @ 16 knots

Armament:  6-8”/50cal, 12-4.7”/45cal, 28-25mm   Crew: 2,000

Aircraft: 63 aircraft (21 A6M2, 21 D3A2, 21 B5N2)  Flight Deck: 817’6”x100’

Akagi                            Completed: 25.03.27 sunk 05.06.42 at 0455hrs  after being damaged by aircraft from USS Enterprise (CV-6) NNW of Midway Island  

Amagi                           Completed: n/a           hull severely damaged during Tokyo Earthquake 09.23, scrapped 04.24

Atago                            Completed: n/a           cancelled, scrapped 07.24

Takao                           Completed: n/a           cancelled, scrapped 07.24

Chitose Class (CVS/CV)

Displacement:  11,023 tons          Dimensions: 631’7”x68’3”x24’8”

Machinery: 2 shaft geared turbines 4 Kampon boilers   44,000 shp=29 knots   

Oil: 3,600 tons   Radius: 8,000 miles @18 knots

Armament: 4-5”/40cal, 12-25mm, 12 aircraft, 12 Type A submarines

Chitose                         Completed: 25.07.38  converted to carrier 01.01.44

Chiyoda                       Completed: 15.12.38 converted to carrier 31.10.43

Displacement: 11,190 tons           Dimensions: 631’7”x68’3”x24’8”

Machinery: 2 shaft geared turbines 4 Kampon boilers   44,000 shp=29 knots   

Oil: 3,600 tons   Radius: 11,000 miles @ 18 knots

Armament: 8-5”/45cal, 48x25mm   Crew: 1,470

Aircraft: 30  Flight Deck: 590’6”x75’6”

Converted from Seaplane Tenders

Chitose                         Completed: 01.01.44  sunk 25.10.44 at 0937hrs by aircraft from USS Essex (CV-9)  235 miles east of  Cape Engano, Luzon

Chiyoda                       Completed: 31.10.43                     sunk 25.10.44 at 1655hrs by US cruisers 260 miles southeast Cape Engano, Luzon 

Hiryu Class

Displacement: 17,300 tons           Dimensions:  745’11”x73’3”x25’9”

Machinery: 4 shaft geared turbines 8 Kampon boilers  153,000 shp=34 knots   

Oil: 4,400 tons  Radius: 10,330 miles @ 18 knots  Crew: 1.100

Armament: 12-5”/40cal, 31-25mm                                   Crew: 1,100

Aircraft: 63 aircraft (21 A6M2, 21 D3A2, 21 B5N2)  Flight Deck: 711’6”x88’6”

Hiryu                            Completed: 05.07.39   sunk 05.06.42 at ~0900hrs after scuttling torpedo hits from IJN DD after damaged by US carrier aircraft NNW of Midway Island  

Hiyo Class

Displacement: 24,140 tons           Dimensions:  719’7”x87’7”x26’9”

Machinery: 2 shaft geared turbines 6 Kampon boilers  56,250 shp=25 knots   

Oil: 2,800 tons   Radius:

Armament: 12-5”/40calm 76-25mm     Crew: 1,224

Aircraft: 51 Aircraft (27 A6M2, 18 D3A2, 6 B6N2) Flight Deck: 690’x89’6”

Note Converted from NYK Liners while under construction

Hiyo (ex Izumo Maru)            Completed: 31.07.42  sunk 19.06.44 at 1932hrs by US carrier aircraft 450 miles NW of Yap   

Junyo (ex Kashiwara Maru)   Completed: 05.05.42    badly damaged 09.12.44 by USS Redfish (SS-395),  not repaired, surrendered, scrapped 1947

Hosho Class

Displacement: 7,470 tons             Dimensions:  541’4”wlx59’1”x20’3”

Machinery: 2 shaft Parsons turbines 8 Kampon boilers 30,000 shp=25 knots   

Oil: 2,695 tons   Radius: 8,000 miles @ 15 knots

Armament:  4-5.5”/40cal (removed), 16-25mm      Crew: 550

Aircraft: none              Flight Deck: 519’x74’6”

Note: used only as training carrier after July, 1942

Hosho        Completed: 07.12.22   in reserve 01.06.45 , surrendered and scrapped 5/47

Ibuki Class  

Displacement:  12,200 tons          Dimensions: 658’2”x63’0”x19’10”  

Machinery: 4 shaft geared turbines 8 Kampon boilers 152,000 shp=33 knots

Oil: 2,163 tons             Radius:  8,150 miles @ 18 knots

Armament: 10-8”/50cal, 8-5”/40cal, 8-25mm, 16-24” torpedo tubes  Crew:  

Note: Converted while under construction from Heavy Cruiser

Displacement: 12,500 tons           Dimensions: 658’2”x69’7”x20’8” 

Machinery: 4 shaft geared turbines 8 Kampon boilers 72,000 shp=29 knots 

Oil:             Radius: 

Armament: 4-3”/60cal, 48-25mm                 Crew:  1,015

Aircraft: 27 (none carried)            Flight Deck: 672’6”x75’6” 

Ibuki                             Completed:  -----    Conversion to aircraft carrier stated 23.12.43, not completed

Kaga Class

Note: Converted while under construction from Battleship

Displacement: 38,200 tons           Dimensions:  812’6wlx106’8”x31’1”

Machinery:  4 shaft Kampon turbines  8 Kampon boilers   127,400shp=28 knots   

Oil: 8,208 tons  Radius: 10,000 miles @ 16 knots

Armament: 10-8”50cal, 16-5”40cal, 22x25mm     Crew: 2,016

Aircraft: 72 aircraft (21 A6M2, 21 D3A2, 30 B5N2)  Flight Deck: 815’6”x100’0” 

Kaga         Completed: 31.03.26    sunk 04.06.42 at 1952hrs by US carrier aircraft NNW of Midway  

Tosa          Construction canceled, hull sunk as target 09.02.25

Kaiyo Class /Argentina Maru Class 

Displacement: 12,755grt               Dimensions:  546’5”x71’10”x27’1”

Machinery: 2 shaft Diesels    bhp= 21.5 knots   

Argentina Maru                             Completed: 31.05.39  converted to carrier Kaiyo

Brazil Maru                46463        Completed: 03.12.39 sunk 05.08.42 by USS Greening (SS-213) 130nm NW of Truk   

Displacement:  13,600 tons          Dimensions:  546’5”x71’10”x27’1”

Machinery: 2 shaft  Kampon turbines  4 boilers  52,100 shp=23.8 knots   

Oil:         Radius:

Armament: 8-5”/45cal, 44-25mm        Crew: 829

Aircraft: 24                  Flight Deck:    x72’

Note: Converted from liner Argentina Maru, completed 28.11.43

Kaiyo Completed: 31.05.39  badly damaged 24.07.45 by mine, surrendered. Scrapped 1948 

Taigei/Ryuho Class  

Displacement: 10,500 tons           Dimensions: 707’6”x64’3”x21’9”

Machinery: 2 shaft  Diesels 14,000 bhp=20 knots   

Oil: 3,570 tons   Radius: 8,000 miles @ 14 knots

Armament: 4-5”/40calm 12-13.2mm, 3 aircraft

Taigei       Completed: 31.03.35 converted to carrier Ryuho 28.11.42

Displacement: 13,360 tons           Dimensions: 707’6”x64’3”x21’9”

Machinery: 2 shaft geared turbines  4 boilers   52,000shp=26 knots   

Oil: 2,900 tons Radius: 8,000 miles @18 knots

Armament:  8-5”/40cal, 61-25mm   Crew: 969

Aircraft: 31                  Flight Deck: 607’0”x75’6”

Note: converted from Submarine Tender Taigei

Ryuho                           Completed: 28.11.42  surrendered, scrapped 1946

Ryujo Class

Displacement:10,600 tons  Dimensions:  590’7”x68’2”x23’3”

Machinery: 2 shaft geared turbines 6 Kampon boilers 65,270shp=29 knots   

Oil: 2,490 tons Radius: 10,000 miles @ 14 knots

Armament:  8-5”/40cal, 22-25mm  Crew: 924

Aircraft: 37 aircraft (16 A6M2, 21 D3A2) Flight Deck: 513’6”x75’6”

Ryujo                            Completed: 09.05.33    sunk 28.08.42 at 1800hrs by aircraft from USS Saratoga (CV-3) 100 miles NNE of Tulagi    

Shinano Class  

Displacement: 64,800 tons           Dimensions:  872’2”x119’1x33’10”

Machinery: 4 shaft Kampon turbines 12 Kampon boilers  150,000 shp=27 knots   

Oil: 8,904 tons   Radius: 10,000 miles @ 18 knots

Armament: 16-5”/40cal, 145-25mm  Crew: 2,515

Aircraft: none              Flight Deck: 840’x131’9”

Note: Converted while under construction from Yamato class battleship

Shinano    Completed: 18.11.44 sunk 28.11.44 at 1100hrs by USS Archerfish (SS-311) 160 miles southeast of Cape Muroto

Scharnhorst/Shinyo   Class

Displacement: 18,814  tons          Dimensions: 652’6”(pp)x 74’xx 41’ 

Machinery: 2 shaft AEG turbines  4 boilers     shp=21 knots    

Scharnhorst                Completed: 03.05.35                     baught by Japan 07.02.42, converted to carrier Shinyo 15.12.43

Gneisenau                    Completed: 1935        sunk 02.05.43 by mine in Baltic Sea

Potsdam                       Completed: 27.06.35 surrendered 13.05.45, scrapped 1976

Displacement: 17,500 tons           Dimensions: 621’3”wlx84’0”x26’10” 

Machinery: 2 shaft AEG turbines  4 boilers  26,000 shp=22 knots   

Oil:          Radius:

Armament: 8-5”/45cal, 50-25mm      Crew: 942

Aircraft: 31                  Flight Deck: 590’6”x80’6”

Note: German S/S Scharnhorst bought 1942, conversion completed 15.12.43 

Shinyo                          Completed: 15.12.43                     sunk 17.11.44 at 2035hrs by USS Spadefish (SS-411) 140 miles northwest of Shanghai  

Tsurugisaki/Shoho Class

As Submarine Tenders

Displacement: 9,500 tons             Dimensions:  674’2”x59’8”x21’7”

Machinery: 2 shaft Diesels 56,000 bhp=29 knots   

Oil:           Radius:

Armament: 4-5”/40cal, 12-13.2mm 3 aircraft    Crew:

Tsurugisaki                 Completed: 15.01.39 converted to carrier Shoho 26.01.42    

Takasaki                      Completed: NA           converted while under construction to carrier Zuiho  

As Aircraft Carriers

Displacement: 11,262 tons           Dimensions:  674’2”x59’8”x21’7”

Machinery: 2 shaft geared turbines 4 boilers 52,000 shp=28 knots   

Oil;: 2600 tons Radius: 7,800 miles @ 18 knots

Armament:8-5”/40cal, 8-25mm (Zuiho-68)  Crew: 785

Aircraft: 30 Aircraft (15 A6M2, 15 B5N2) Flight Deck: 590’6”x75’6” 

Note: Converted from Submarine Tenders

Shoho                            Completed: 26.01.42   sunk 07.05.42 at 0835hrs by aircraft from USS Yorktown (CV-5) 18 miles south of Woodlark Island

Zuiho                            Completed: 27.12.40   sunk 25.10.44 at 1526hrs by US carrier aircraft 220 miles ENE of Cape Engano Luzon  

Shokaku Class

Displacement:  25,675 tons          Dimensions:  844’10”x85’4”x29’1”

Machinery: 4 shaft geared turbines  8 Kampon boilers   160,000shp=34 knots   

Oil: 3,500 tons Radius: 9,700 miles @ 18 knots

Armament:  16-5”/40cal, 96-25mm   Crew: 1,700

Aircraft: 72 aircraft (18 A6M2, 27 B5N2, 27 D3A2) Flight Deck: 794’x95’

Shokaku      Completed: 08.08.41   sunk 19.06.44 at 1501hrs by USS Cavells (SS-244) 140 miles  north of Yap  

Zuikaku       Completed: 25.09.41    sunk 25.10.44 at 1414hrs by US carrier aircraft 220 miles ENE of Cape Engano, Luzon  

Soryu Class

Displacement: 15,900 tons           Dimensions: 746’5”x69’11”x25’0”

Machinery: 4 shaft geared turbines 8 Kampon boilers  152,000 shp=34 knots  

Oil: 3,670 tons  Radius: 7,750 miles @ 18 knots

Armament: 12-5”/40cal, 28-25mm       Crew: 1,100

Aircraft: 63 Aircraft (21 A6M2, 21 D3A2, 21 B5N2)  Flight Deck: 711’6”x85’0”

Soryu        Completed: 29.05.37  sunk 04.06.42 at 1913hrs by aircraft from USS Yorktown (CV-5) NNW of  Midway

Taiho Class

Displacement: 29,300 tons           Dimensions:  855’0”x90’10”x31’6”

Machinery: 4 shaft geared turbines  8 Kampon boilers   160,000shp=33 knots   

Oil: 5,700 tons  Radius: 8,000 miles @ 18 knots

Armament:  12-3.9”/65cal, 71x25mm  Crew: 2,150

Aircraft: 75 aircraft (27 A6M2, 30 D4Y1, 18 B6N1) Flight Deck: 844’x98’6”

Taiho        Completed: 07.03.44      sunk 19.06.44 at 1728hrs by USS Albacore (SS-218) 180 miles north of Yap

Kasuga Maru/Taiyo Class

as liner

Displacement:  17,100grt              Dimensions: 591’4”x73’10”x26’3”

Machinery: 2 shaft geared turbines 4 boilers  25,200 shp=21 knots   

Nitta Maru                  Completed: 23.03.40 Converted to carrier Chuyo 25.11.42     

Kasuga Maru             Completed: 01.05.41 Convetred to carrier Taiyo 15.09.41    

Yawata Maru             Completed: NA           Converted to carrier Unyo 31.05.42  

Displacement: 17,830 tons           Dimensions: 591’4”x73’10”x26’3”

Machinery: 2 shaft geared turbines 4 boilers  25,200 shp=21 knots   

Oil:             Radius: 6,500 miles @ 18 knots

Armament: 8-5”/40cal, 64-25mm                                     Crew: 1,000

Aircraft: 27                  Flight Deck: 564’3”x77’0”

Note: Converted from liners while under construction

Chuyo                           Completed: 25.11.42    sunk 04.12.43 at 0948hrs by USS Sailfish (SS-192) 260 miles southeast of Yokosuka  

Taiyo                            Completed: 15.09.41   sunk 18.08.44 at 2225hrs by USS Rasher (SS-269) 22 miles SW Cape Bojeador, Luzon  

Unyo                             Completed: 31.05.42    sunk 17.09.44 at 2300hrs by USS Barb (SS-220) 220 miles SE of Hong Kong

Unryu Class

Displacement: 17,460 tons           Dimensions: 745’11”x72’2”x25’9”

Machinery: 4 shaft geared turbines 8 Kampon boilers  152,000 shp=34 knots   

Oil: 3,670 tons             Radius: 8,000 miles @ 18 knots

Armament: 12-5”/40cal, 89-25mm               Crew: 1,595

Aircraft: 65                  Flight Deck: 712’x88’6

Amagi                           Completed: 11.08.44   sunk 28.07.45 by US aircraft at Kure. Scrapped 1947

Aso                                Completed: -----          hull sunk 24.07.45 at Kure. Wreck scrapped 1947 at Sasebo

Ikoma                           Completed: ------         construction suspended 1/45, scrapped 1947

Kasagi                          Completed: -------  :    construction suspended 4/45, scrapped 1947

Katsuragi                     Completed: 18.10.44                     surrendered, scrapped 1947

Unryu                           Completed: 06.08.44                     sunk 19.12.44 at 1655hrs by USS Redfish (SS-395) 200 miles east of Shanghai  

Seaplane Carriers

Akitsushima Class

Displacement: 4,650 tons             Dimensions: 386’11”x51’10”x17’9”

Machinery: 2 shaft Diesels  8,000bhp=19 knots   

Oil:             Radius:

Armament: 4-5”/40cal, 9-25mm                    Crew: 545

Akitsushima                Completed: 30.04.42  sunk 24.09.44 by US aircraft in Coron Bay  

Mizuho Class

Displacement: 10,929 tons           Dimensions: 602’4”(wl)x 61’8”x 23’3”

Machinery:  shaft   turbines  boilers   shp=18 knots  602’4”wlx61’8”x23’3” 

Oil: 3,600 tons             Radius: 8,000 miles @ 16 knots

Armament: 6-5”/40cal, 18-25mm, 24 aircraft                Crew: 572

Mizuho     Completed: 25.02.39  sunk 02.05.42 at 0416hrs by USS Drum (SS-228) 40 miles SW of Cape Omaisaki  

Nisshin Class 

Displacement: 11,317 tons           Dimensions: 616’10”ppx64’8”x23’0”

Machinery: 2 shaft  6-cyl Diesels 47,000 bhp=28 knots  

Oil:             Radius: 11,000 miles @ 18 knots

Armament: 6-5”/40cal, 18-25mm, 12 aircreaft, 12 Type A submarines           Crew:

Nisshin      Completed: 27.02.42  sunk 22.07/43 at 1405hrs by US aircraft 17 miles west of Cape Alexander, Bougainville  

Army Aircraft Carriers/Landing Transports

Akitsu Maru

Displacement: 11,800 tons           Dimensions: 471’7”ppx64’0”x25’9”

Machinery: 2 shaft geared turbines  4 boilers  7,500 shp=20 knots   

Oil:             Radius:

Armament: 2-3”, 10-75mm, carried 20 aircraft and 20 Daihatsu landing barges

Flight Deck: 403’6”x73’9”

Akitsu Maru                Completed: 01.42       sunk 15.11.44 by USS Queenfish

Nigitsu Maru              Completed: 03.43       sunk 12.01.44 by USS Hake

Kumano Maru

Displacement:  8,000 tons            Dimensions: 465’9”wlx64’3”x23’0”

Machinery: 2 shaft geared turbines 4 boilers  10,000 shp=19 knots   

Oil:             Radius: 6,000 miles @ 17 knots

Armament: 8-3”, 6-25mm, carried 37 aircraft or ?? aircraft and 13 Daihatsu landing barges

Flight Deck: 361’x70’6”

Kumano Maru           Completed: 31.03.45 scrapped

Shimane Maru

Converted from Type 1TL tankers

Displacement: 11,800  tons          Dimensions: 502’0”wlx65’7”x29’10”

Machinery: 1 shaft turbines 8 boilers   8,600shp=18.5 knots   

Oil:             Radius: 10,000 miles @ 15 knots

Armament: 2-4.7”, 52-25mm, 12 aircraft    Crew

Flight Deck: 508’6”x 75’6”

Converted from Type 1TL tanker (total 23 ships of this class built)

Otakisan Maru           Completed:N/A           sunk 25.08.45 by mine at Kobe

Simane Maru              Completed: 02.45       sunk 24.07.45 by US carrier aircraft at Takamatsu

Yamashiro Maru

Converted from Type 2TL tanker

Displacement: 15,864  tons          Dimensions: 485’7”ppx66’11”x29’6”

Machinery: 1 shaft turbines 8 boilers   4,500shp=15 knots   

Oil:             Radius: 9,000 miles @ 13 knots

Armament: 16-25mm, 8 aircraft                    Crew: 221

Converted from Type 2TL, 33 built

Chigusa Maru            Completed: 1945        sunk 17.02.45 by aircraft at Yokohama

Yamashiro Maru       Completed: 1949        suspended 1945, surrendered incomplete

Cruisers

Aoba Class

Displacement: 9,000 tons             Dimensions: 607’6”x57’6”x18’7” 

Machinery: 4 shaft Parsons turbines 12 Kampon boilers 108,456 shp=33 knots

Oil:  2,000 tons            Radius:  8,000 miles @ 14 knots

Armament: 6-8”/50cal, 4-4.7”/45cal, 15-25mm, 8-24” torpedo tubes Crew: 625

Aoba             Completed: 20.07.27    sunk 28.07.45 by US aircraft at Kure . Wreck scrapped 1946

Kinugasa     Completed: 30.09.27    sunk 14.11.42 at 0922hrs by USS Enterprise (CV-6) southwest of Rendova    

Furutaka Class

Displacement:  8,700 tons            Dimensions:  607’6”x51’9”x18’3”

Machinery: 4 shaft Parsons turbines 12 Kampon boilers 103,390 shp=33 knots 

Oil: 2,000 tons             Radius: 8,000 miles @ 14 knots

Armament: 6-8”/50cal, 4-4.7”/45cal, 8-25mm, 8-24” torpedo tubes Crew: 625 

Furutaka     Completed: 01.04.26   sunk 12.10.42 at 0028hrs by US cruisers 22 miles north  of Savo Island  

Kako            Completed: 20.07.26   sunk 10.08.42 at 0808hrs by USS S-44 (SS-149) off New Ireland        

Iwate Class

Displacement: 9,750 tons    Dimensions: 435’8”x 68’6”x 24’3”   

Machinery: 24 Belleville boilers 2 shaft VTE 14,700ihp=20knots 1,550 tons coal 7,000 miles @ 10 knots

Armament: As built: 4-8”/40cal, 14-6”/40cal, 12-3”, 5-18” torpedo tubes 672 crew

                   As rearmed: 4-6”/40cal, 4-5”/40cal, 9-25mm

Idzumo                   Completed: 25.07.01 Sunk 25.07.45 by US aircraft at Kure  

Iwate                             Completed: 31.03.01 Sunk 25.07.45 by US aircraft at Kure   

Mogami Class

Mogami from 1943

Displacement: 11,200 tones         Dimensions: 656’0”x66’3”x19’5” 

Machinery: 4 shaft geared turbines 8 Kampon boilers 152,000 shp=35 knots

Oil: 2,163 tons             Radius: 8,150 miles @ 14 knots

Armament: 10-8”/50cal, 8-5”/40cal, 50-25mm, 12-24” torpedo tubes  Crew: 1,050

                      6-8”/50cal, 8-5”/40cal, 30-25mm, 12-24” torpedo tubes, 22 aircraft   (Mogami 1943-1944)

Kumano                       Completed: 31.10.37                     sunk 25.11.44 by aircraft from USS Ticonderoga   (CV-14) in Dosol Bay, Luzon  

Mikuma                       Completed: 28.07.35                     sunk 07.06.42 by US aircraft east of Midway  

Mogami                       Completed: 28.07.35                     sunk 26.10.44 at 1230hrs by US aircraft off Bohol Island,  Philippines  

Suzuya                          Completed: 31.10.37                     sunk 25.10.44 at 1322hrs by US aircraft off Samar, Philippines   

Myoko Class

Displacement: 13,000 tons           Dimensions: 668’6”x68’0”x20’9”

Machinery: 4 shaft geared turbines 12 Kampon boilers 130,250 shp=33.8 knots

Oil: 2,470 tons             Radius: 8,500 miles @ 14 knots

Armament: 10-8”/50cal, 8-5”/40cal, 8 (52)-25mm, 8-24” torpedo tubes 3 aircraft    1,000 crew

                     8-8”/50cal, 12-5”/40cal, 66-25mm, 8-24” torpedo tubes (Maya-1944)

Ashigara  Completed: 20.08.29    sunk 08.06.45 at 1237hrs by HMS Trenchant (P.    ) 14 miles WSW Mutok  

Haguro     Completed: 31.07.29    sunk 15.05.45 at 0250hrs by Rn destroyers 27 miles WSW Penang  

Myoko      Completed: 31.07.29    Surrendered badly damaged at Singapore. Scuttled 08.07.46 in Malacca Strait   

Nachi          Completed: 28.11.28  sunk 05.11.44 at 1445hrs by aircraft from USS Lexington (CV-  )5 miles west of Corregidor  

Takao Class

Displacement: 13,400 tons           Dimensions: 668’6”x68’0”x20’9”

Machinery: 4 shaft geared turbines 12 Kampon boilers 133,100 shp=34.2 knots

Oil: 2,600 tons             Radius: 8,500 miles @ 14 knots

Armament: 10-8”/50cal, 8-5”/40cal, 52-25mm, 16-24” torpedo tubes   Crew: 1,100

Atago                Completed: 30.03.32   sunk 23.10.44 at 0653hrs by USS Darter (SS-227) in Palawan Passage                     

Chokai              Completed: 30.06.32   sunk 25.10.44 by US aircraft off Samar, Philippines  

Maya            Completed: 30.06.32   sunk 23.10.44 at 0905hrs by USS Dace (SS-247) in Palawan  Passage  

Takao           Completed: 31.05.32   Surrendered badly damaged at Singapore    Scuttled 29.10.46 at 1200hrs in Malacca Strait

Tone Class

Displacement: 11,215 tons           Dimensions: 656’0”x60’8”x21’3”

Machinery: 4 shaft Kampon turbines 8 Kampon boilers 152,000 shp=35,2 knots

Oil: 2,950 tons             Radius: 9,000 miles @ 19 knots

Armament: 8-8”/50cal, 8-5”/40cal, 57-25mm, 12-24” torpedo tubes, 5 aircraft   Crew: 1,000

Chikuma          Completed: 20.05.39   sunk 24.10.44 at 1430 hrs by USS Natoma Bay (CVE-62) off Samar, Philippine  

Tone                 Completed: 20.11.38   sunk 24.07.45 by aircraft at Kure, wreck scrapped 1948

Yakumo Class

Displacement: 9,735 tons Dimensions: 434’0”x 64’0”x 23’8”   

Machinery: 6 Yarrow boilers 2 shaft VTE  7,000=16 knots

Armament: As built:  4-8”/40cal, 12-6”/40cal, 12-3”, 5-18” torpedo tubes  Crew: 670 

                   As rearmed: 4-5”/40, 4-3”, 12-25mm

Yakumo    Completed: 20.06.00     surrendered, scrapped, 1946

Agano Class

Displacement: 6,652 tons   Dimensions: 571’0”x 49’10”x 18’5”  

Machinery: 6 Kampon boilers 4 shaft turbines 100,000shp=35 knots

Oil: 1,405 tons             Radius:  6,300 miles @ 18 knots

Armament: 6-6”/50cal, 4-3.1”/65cal, 61-25mm, 8-24” torpedo tubes 2 aircraft  825 crew

Agano       Completed: 31.10.42  sunk 15.02.44 at 1305hrs by USS Skate (SS-305) 160 miles north of Truk  

Noshiro     Completed: 30.06.43                     sunk 26.10.44 at1137hrs by US aircraft off Batbatan Island, Philippines

Sakawa     Completed: 10.11.44                     surrendered at Maizuru. Sunk as target 01.07.46 during nuclear exercises at Bikini Atoll.

Yahagi      Completed: 29.12.43  sunk 07.04.45 at1406hrs by US aircraft 130 miles ESE of Nagasaki  

Jintsu Class

Displacement: 5,195 tons  Dimensions: 534’9”x 48’5”x 16’1”   

Machinery: 12 Kampon boilers 4 shaft Curtiss turbines 90,000shp=35 knots

Oil: 1,010 tons             Radius: 7,800 miles @ 10 knots

Armament: 7-5.5”/50cal, 2-5”/40cal, 44-25mm, 8-24” torpedo tubes 487 crew

Jintsu        Completed: 31.07.25                     sunk 05.07.43 at 0145hrs by US cruisers 14 miles north of Kolombangara 

Naka          Completed: 30.10.25  sunk 17.02.44 by aircraft from USS Bunker Hill (CV-  ) 35 miles west of Truk 

Sendai       Completed: 29.04.25                     sunk 03.11.43 at 0400hrs by US cruisers in Empress Augusta Bay, Bougainville 

Katori Class

Displacement: 5,800 tons  Dimensions: 571’0”x 49’10”x 18’5”  

Machinery: 3 Kampon boilers 2 shaft gearted turbines, 2 diesels  8,000shp=18 knots

Armament: 4-5.5”/50cal, 6-5”/40cal, 30-25mm  650 crew

Note: Training ships used as flagships

Kashii                           Completed: 15.07.41    sunk 12.01.45 by US aircraft off French Indochina 

Kashima                      Completed: 31.05.40    surrendered. Scrapped 1947

Kashiwara                   Cancelled:  06.11.41

Katori                           Completed: 20.04.40    sunk 17.02.44 at 1341hrs by USS Iowa (BB-61) 40 miles NW of Truk  

Kuma Class

Displacement: 5,100 tons  Dimensions: 532’0”x 48’6”x 15’9”  

Machinery: 12 Kampon boilers 4 shaft geared turbine 90,000shp=36 knots

Oil: 1,260 tons             Radius: 9,000 miles @ 10 knots

Armament: As built: 7-5.5”/50cal, 2-3”/40cal, 4-25mm, 8-21” torpedo tubes Crew: 439 

                   As rearmed: 4-5”/40cal, 10-25mm, 40-24” torpedo tubes (Oi and Kitakami)

                                          5-5.5”/50cal, 2-5”/40cal, 44-25mm, 8-24” torpedo tubes (Tama, Kiso, Kuma)

Kiso             Completed: 03.10.21                                      sunk 11.11.44 at 1330hrs by US aircraft in Manila Bay    

Kitakami    Completed: 15.04.21                                      surrendered. Scrapped 1946

Kuma          Completed: 31.08.20                                       sunk 11.01.44 at 0913hrs by HMS Tally Ho (P.317) 10 miles SW of Penang    

Oi (Ooi)      Completed: 05.04.21                   sunk 19.07.44 at 1406hrs by USS Flasher (SS-249) 570 miles south of Hong Kong  

Tama          Completed: 29.01.21                   sunk 25.10.44 at 2305hrs by USS Jallao (SS-368) 320 miles NE Cape Engano, Luzon  

Nagara Class

Displacement: 5,170 tons  Dimensions: 534’9”x 48’5”x 16’0”   

Machinery: 12 Kampon boilers 4 shaft Gihon turbines 90,000=36 knots

Oil: 1,260 tons             Radius:  9,000 miles @ 10 knots

Armament: (1923-43) 7-5.5”/50cal, 8-25mm, 8-24” torpedo tubes

                   (1943-45) 5-5.5”/50cal, 2-5”/40cal, 36-25mm 8-24” torpedo tubes  Crew: 580

Abukuma     Completed:  26.05.25               

Isuzu              Completed: 15.08.23       sunk 06.04.45 at 0820hrs by USS Gabilan (SS-252) 30 miles north of  Soembawa Island    

Kinu              Completed: 10.11.22       sunk 26.10.44 at 1730hrs by US aircraft 70 miles NNE  Iloilo, Panay      

Nagara         Completed: 21.02.22       sunk 07.08.44 at 0242hrs by USS Croaker (SS-246) 35 miles south of Nagasaki  

Natori           Completed: 15.09.22       sunk 18.08.44 at 0705hrs by USS Hardhead (SS-365) 250 miles northeast of Surigao Strait, Philippines  

 Yura            Completed: 20.03.23        sunk 25.10.42 at 1830hrs by US aircraft off Malaita Island, Solomons     

Oyodo Class

Displacement: 8,164 tons  Dimensions: 630’0”x 51’5”x 19’6”  

Machinery: 6 Kampon boilers  4shaft geared turbines 110,430shp=36 knots

Oil: 2,160 tons             Radius: 10,600 miles @ 18 knots

Armament: 6x6.1”/60cal, 8-3.9”/65cal, 52-25mm, 2 aircraft     ? crew

Oyodo     Completed: 28.02.43  sunk 28.07.45 by US aircraft off Edachi  Wreck scrapped 1947

Tenryu Class

Displacement: 3,950 tons   Dimensions: 468’11”x 40’6”x 13’0”  

Machinery: 10 Kampon boilers 4 shaft Brown-Curtis turbines 51,000shp=33 knots

Oil: 920 tons                Radius: 6,000 miles @ 10 knots

Armament: 4-5.5”/50cal,   -25mm, 6-21” torpedo tubes                  Crew: 332 

Tatsuta        Completed: 31.03.19  sunk 12.03.44 at 0325hrs by USS Sandlance (SS-381) 40 miles SSW of Hachijo Jima   

Tenryu         Completed: 20.11.19 sunk 08.12.42 by USS Albacore (SS-218) 10 miles east of Madang    

Yubari Class

Displacement: 2,890 tons   Dimensions: 455’8”x 39’6”x 11’9” 

Machinery: 8 Kampon boilers 3 shaft Gihon turbines 57,900shp=35 knots

Oil:  640 tons               Radius: 5,500 miles @ 10 knots

Armament: 1923-43   6-5.5”/50cal, 1-3”/40cal 4-24” torpedo tubes

 1943-44   4-5.5”/50cal, 12-25mm, 4-24” torpedo tubes    Crew: 328

Yubari       Completed: 31.07.23 sunk 28.04.44 at 1015hrs by USS Bluegill (SS-242) 35 miles east of Sonsorol Island 

Armed Merchant Cruisers

Hokoku Maru Class

 as liner

Displacement: 10,439 grt              Dimensions: 527’7”x66’4”x40’7”

Machinery: 2 shaft Mitsui-B&W Model 12-62 VF-115 Diesels  13,000 bhp=20.9 knots

Armament: 8-5.9”/40cal, 2-3”/40cal, 4-21” torpedo tubes 2- E13A aircraft   Crew:

Converted from OSK Liners. Reclassed transports in Oct 1943

Aikoku Maru              48519        Requisitioned 01.09.41   sunk 17.02.44 at 0832hrs by US aircraft at Truk    

Gokoku Maru             49180        Completed: 25.09.42  sunk 11.11.44 at 0410hrs by USS Barb (SS-220) off Goto Rotto 

Hokoku Maru             46833        Completed: 22.06.40  sunk 11.11.42 at 1752hs by MV Odina southwest of Cocos Islands 

Akagi Maru Class (A Type)    

Azuma

others

Displacement: 7,389grt                 Dimensions: 462’8”(pp)x62’3”x27’7”

Machinery: 1 shaft  8-Cyl 2 stroke Mitsubishi-Sulzer Diesels           8,000bhp= 19 knots

Akagi Maru                42347        Completed: 10.09.36   converted to armed merchant cruiser 11.41

Arima Maru               42355        Completed: 10.03.39   sunk 03.04.43 by USS Haddock (SS-231) north of Palau    

Asaka Maru              44012          Completed: 30.11.37 converted to armed merchant cruiser

Awata Maru                44231        Completed: 23.12.37                     converted to armed merchant cruiser

Azuma Maru              44403        Completed: 10.03.38                     sunk 03.12.43 by USS Tinosa (SS-283)   

Displacement: 7,389grt                 Dimensions: 462’8”(pp)x62’3”x27’7”

Machinery: 1 shaft  8-Cyl 2 stroke Mitsubishi-Sulzer Diesels           8,000bhp= 19 knots

Oil:             Radius:

Armament: 5-6”/   , 1-3”/40cal                       Crew:

Note: Converted from Passenger/Cargo. Rerated transports Oct 1943

Akagi Maru                42347        Completed: 10.09.36   sunk 17.02.44 at 1047hrs by US aircraft off Truk

Asaka Maru              44012          Completed: 30.11.37 returned to civilian owners 01.11.43. Sunk 12.10.44 by US aircraft off Pescadore Is 

Awata Maru                44231        Completed: 23.12.37                     sunk 23.10.43 at 0347hrs by USS Grayback (SS-208) north of Miyako Jima 

Bangkok Maru Class    

Displacement: 5,351grt                 Dimensions: 376’4” (pp)x 55’9”x 23’0”    

Machinery: 2 shaft Mitsubishi-Sulzer 8 cyl Diesel  1,500bhp=12 knots

Armament: 4-4.7”/45cal

Bangkok Maru           43460        Completed: 20.09.37  sunk 20.05.43 at 1500hrs by USS Pollack (SS-180) southeast of Jaluit Atoll    

Saigon Maru               43465        Completed: 30.09.37  sunk 18.09.44 at 1048hrs by USS Flasher (SS-249) off Manila Bay    

Kongo Maru

Displacement: 8,624 tons             Dimensions:  450’0”(pp)x61’0”x 27’11”

Machinery: 1 shaft 8-cyl 2-stroke Kawasaki-M.A.N diesels 7,600bhp=18 knots

Oil: 1,430 tons             Radius:

Armament: 4-5.5”/     Crew:

Kiyozumi Maru         39724        Completed: 05.10.34 sunk 17.02.44 at 1330hrs by US aircraft at Truk  

Kongo Maru               40114        Completed: 08.03.35                     sunk  10.03.42 by US aircraft off Lae  

Nagara Maru Class (Type N)

Displacement: 7,184 tons             Dimensions: 449’6”(pp)x 62’4”x 35’4’ 

Machinery: 1 shaft 7-cyl Mitsubishi Diesel 6,700bhp=18.5 knots

Nagara Maru             39666        Completed 28.08.34  Army #912 sunk 14.11.42 by aircraft off Guadalcanal

Nako Maru                  39727        Completed 05.10.34                      Army #708 sunk 14.11.42 by aircraft off Guadalcanal

Naruto Maru              39738        Completed 10.12.34                      sunk 08.08.43 by USS Whale (SS-239) 

Nojima Maru              40112        Completed 13.02.35    badly damaged 20.09.42 by aircraft at Kiska, sunk 13.10.43

Noshiro Maru             39735        Completed 30.11.34                      converted to armed merchant cruiser 

Noto Maru                   39723        Completed 15.10.34                      Army #686 sunk 02.01.44 by aircraft in Ormoc Bay 

Noshiro Maru as AMC

Displacement: 7,184 tons             Dimensions: 449’6”(pp)x 62’4”x 35’4’ 

Machinery: 1 shaft 7-cyl Mitsubishi Diesel 6,700bhp=18.5 knots

Oil: 1,500 tons             Radius:

Armament: 4-5.5”/50cal              Crew:

Noshiro Maru             39735        Completed 30.11.34                      sunk 21.09.44 by US aircraft off Manila   

Namioune Maru Class   

Displacement: 4,730 tons             Dimensions:  355’7”(pp)x 51’6”x 23’0”

Machinery: 1 shaft 8-cyl 2 stroke Mitsui-BMW Diesel  3,100bhp=16.5 knots

Namioune Maru        42591        Completed: 17.10.36  sunk 07.10.42 by USS Sculpin (SS-191) off Rabual

Ukishima Maru          42602        Completed: 15.03.37                     converted to armed merchant cruiser at Maizuru   

Ukishima Maru as AMC

Displacement: 4,730 tons             Dimensions:  355’7”(pp)x 51’6”x 23’0”

Machinery: 1 shaft 8-cyl 2 stroke Mitsui-BMW Diesel  3,100bhp=16.5 knots

Oil: 219 tons                Radius:

Armament: 6-4.7”/45cal              Crew:

Ukishima Maru          42602        Completed: 15.03.37                     sunk 24.08.45 at 1720hrs by mine off Maizuru   

Submarines

I-1 Class (Type J1)

Displacement: Surface: 1,970 tons   308’7”(wl)x 29’8”x 17’8” 

Machinery: 2 Shaft M.A.N. 10cyl Diesels 6,000bhp=18knots

Oil: 545 tons Radius:24,000 miles @10 knots

Submerged: 2,791 tons   2 Electric  Motors 2,600hp=8 knots 60 miles @ 3 knots

Armament: 2-5.5”/40cal, 2-25mm, 6-21” torpedo tubes (20 torpedos) Crew: 90 

I-1              Completed: 10.03.26                     sunk 29.01.43 2135hrs by HMNZS Moa  

I-2              Completed: 24.07.26                     sunk 07.04.44 0723hrs by USS Saufley (DD-465)  

I-3              Completed: 30.11.26  sunk 09.12.42 at 0703hrs by USS PT-59   3 miles NE Kamimbo Bay, Guadalcanal 

I-4              Completed: 24.12.29  sunk 21.12.42 by USS SeaDragon (SS-194) in St.George Channel, New Ireland  

I-5 Class (Type J1M) 

Surfaced: 2,080 tons  308’7”(wl)x 29’8”x 17’8”  

Machinery: 2 shaft M.A.N. 10-cyl Diesels 6,000bhp=18 knots

Oil: 548 tons                Radius:24,000 miles @ 10 knots

Submerged: 2 electric  motors 2,600hp=8 knots 60 miles @ 3 knots

Armament: 1-5”/40cal, 1-12mm, 6-21” torpedo tubes (20 torpedos) 1-E6Y aircraft Crew: 130 

I-5              Completed: 31.07.32 sunk 19.07.44 at 0125hrs by USS Wyman (DE-38) 360 miles east of Guam  

I-6 Class (Type J2) 

Surfaced: 1,900 tons   323’2”x 29’9”x 17’5” 

Machinery: 2 saft Kampon 1A Mod 7 diesels 8,000bhp=20 knots

Oil: 580 tons                Radius: 20,000 miles@ 10 knots

Submerged: 3,061 tons 2 electric motors 2,600hp=7.5 knots  60 miles @ 3 knots

Armament: 1-5”/40cal, 1-13mm. 6-21” torpedo tubes (17 torpedos) 104 crew

I-6              Completed: 15.05.35  sunk 16.06.44 by Toyokawa Maru NE of Hachijo Jima   

I-7 Class (Type J3) 

Surfaced: 2,231 tons 358’6” x 29’9” x 17’3”  2 shaft        

Machinery: 2 shaft Kampon 1A Mod 10 diesels 11,200bhp=23 knots     

Oil: 800 tons                Radius: 14,000 miles @ 16 knots

Submerged: 3,583 tons 2 electric motors 2,800 hp=8 knots 60 miles @ 3 knots

Armament: 2-5.5”/40cal, 5-13mm, 6-21” torpedo tubes (?? torpedos) 131 crew

I-7                   Completed: 31.03.37  sunk 22.06.43 at 2300hrs by USS Monaghan (DD-354) in Viga Bay, Kiska  

I-8                   Completed: 05.12.38  sunk 31.03.45 at 0412hrs by USS Morrison (DD-560) off  Okinawa  

I-9 Class (Type A1)  

Surfaced: 2,434 tons  Dimensions: 373’0”x 31’4” x 17’7”  

Machinery: 2 shaft Kampon diesel 12,400bhp=23 knots     

Oil:             tons            Radius:  16,000 miles at 16 knots

Submerged: 4,149 tons 2 electric motors 2,400hp=8 knots 60 miles @ 3 knots

Armament: 1-5.5”/40cal, 2-25mm, 6-21” torpedo tubes (18 torpedos) Crew: 114 crew

I-9              Completed: 14.02.41  sunk 13.06.43 by USS Frazier (DD-607) 15 miles east of Kiska   

I-10            Completed: 31.10.41 sunk 04.07.44 at 1828hrs by USS David W Taylor (DD-551)  65 miles ENE of Saipan   

I-11            Completed:  16.05.42   missing from 20.03.44   

I-12 Class (Type A2)

Surfaced: 2,390 tons  Dimensions: 373’0”x31’4”x17’8”

Machinery: 2 shaftdiesels 4,400 bhp=17.7 knots

Oil:             Radius: 22,000 miles @ 16 knots

Submerged: 4,172 tons   2 electric motors 1,200hp= 6.2 knots

Armament: 1-5.5”/50cal, 2-25mm, 6-21” torpedo tubes (18 torpedos) Crew: 114

I-12     Completed:  25.05.44  missing from 12.01.45,  possibly sunk 13.11.44 at 1308hrs by USS Rockford (PF-48) 100 nm NNW Los Angeles, CA 

I-13 Class (Type AM)

Surfaced: 2,620 tons  Dimensions: 340’3”x38’5”x19’4”x17’8”

Machinery: 2 shaft Kampon diesels 4,400 bhp=16.7 knots

Oil:             Radius: 21,000 miles @ 16 knots

Submerged: 4,172 tons   2 electric motors 1,200hp= 6.2 knots

Armament: 1-5.5”/50cal, 7-25mm, 6-21” torpedo tubes (12 torpedos) Crew: 140

I-1              Completed: --------      hull sunk 18.09.45

I-13            Completed:  16.12.44 sunk 16.07.45 by USS Lawrence C Taylor (DE-415) 550 miles SE of Yokosuka

I-14            Completed:  14.03.45   surrendered, sunk as target 28.05.46 by USS Bugara (SS-331) Off Pearl Harbor  

I-15            Completed: -------

I-15 Class (Type B1)

Surfaced: 2,584 tons  356’6” x 30’6” x 16’9” 

Machinery: 2 shaft Kampon diesels 12,400bhp=23.5 knots

Oil:  tons    Radius:14,000 miles @ 16 knots

Submerged: 3,654 tons  2 electric motors 2,000 hp=8 knots   96 miles @ 3 knots

Armament: 1-5.5”/40cal, 2-25mm, 8-21” toredo tubes (17 torpedos) 1 seaplane  Crew: 100

I-15            Completed: 30.07.40 sunk 10.11.42 at 1003hrs by USS Southard (DMS-10) off San Cristobal  

I-17            Completed: 24.01.41 sunk 09.08.43 at 1000hrs by HMNZS Tui 40 miles SE Noumea   

I-19            Completed: 28.04.41 sunk 25.11.43 at 2344hrs by USS Radford (DD-446) in Gilbert Islands  

I-21            Completed: 15.07.41  sunk 29.11.43 at 2157 hrs by Air Group 35 from USS Chennago (CVE-28) 30 miles SW of Tarawa  

I-23            Completed: 27.09.41  missing 14.02.42 off Hawaii 96 dead 0 saved

I-25            Completed: 15.10.41  sunk 25.08.43 by USS Patterson (DD-392)  

I-26            Completed: 16.11.41  sunk 26.10.44 at 0245 by USS Coolbaugh (DE-217) off Samar, Philippines                     

I-27            Completed: 24.02.42  sunk 12.02.44 by HMS Petard (G.56) 60 miles NW Addu Atoll   

I-28            Completed: 26.02.42 sunk 17.05.42 at 1101hrs by USS Tautog (SS-199) 2 miles west of Royalist Reef  

I-29            Completed: 27.02.42 sunk 29.07.44 by USS Sawfish (SS-276) in Luzon Strait  

I-30            Completed: 28.02.42 sunk 13.11.42 by mine 3 miles off Singapore  

I-31            Completed: 20.05.42 sunk 13.05.43 by USS Edwards (DD-619) 5 miles northeast of Chichagof Bay, Attu  

I-32            Completed: 26.04.42  sunk 24.03.44 by USS PC-1135 50 miles south of Wotje   

I-33            Completed: 10.06.42  sunk 14.06.44 in accident in Iyo Wan   Wreck raised and scrapped 1953

I-34            Completed: 31.08.42  sunk 13.11.43 at 0730hrs by HMS Taurus   30 miles south of Penang  

I-35            Completed: 31.08.42                     sunk 25.11.43 at 1727hrs by USS Frazier (DD-607) west of Tarawa  

I-36            Completed: 30.09.42  surrendered at Kure, scuttled 01.04.46 off Goto Rotto

I-37            Completed: 10.03.43  sunk 19.11.44 by USS Conklin (DE-439) 600 miles east of the Philippines  

I-38            Completed: 31.01.43  sunk 13.11.44 by USS Nicholas (DD-449) south of Yap                    

I-39            Completed: 22.04.43  sunk 26.11.43 by USS Boyd (DD-544) west of Makin  

I-16 Class (Type C1)

Surfaced:  2,554 tons                    Dimensions: 358’6” x 30’0” x 17’6”

Machinery: 2 shaft Kampon Mod 10 diesels  12,400 bhp=23.6 knots

Oil: 816 tons                Radius: 14,000 miles @ 16 knots

Submerged: 3,561 tons       2 electric motors 2,000 hp= 8 knots 60 miles @ 3 knots

Armament: 1-5.5”/40cal, 2-25mm, 8-21” torpedo tubes (20 torpedos) Crew: 104 

I-16            Completed: 30.03.40  sunk 19.05.44 at 1340hrs by USS England (DE-635) 140 miles NE Cape Alexander        

I-18            Completed: 31.01.41  sunk 11.02.43 at 1238hrs by USS Fletcher (DD-445) in Coral Sea  

I-20            Completed: 29.09.40  sunk 03.09.43 at 2100hrs by USS Ellet (DD-398) 150 miles NE Espirtu Santo  

I-22            Completed: 10.03.41  missing 05.10.42 west of Malaita, Solomons   

I-24            Completed: 31.10.41   sunk 11.06.43 by USS PC-487 40 miles NE Kiska, Alaska   

I-40 Class (Type B2)

Surfaced: 2,624 tons                     Dimensions: 356’6” x 30’6” x 17’0”  

Machinery: 2 shaft Kampon diesels           11,000 bhp= 23.5 knots   

Oil:             Radius: 14,000 miles @ 16 knots

Submerged: 3,700 tons   2  electric motors  2,000 hp= 8 knots    60 miles @ 3 knots            

Armament: 1-5.5”/40cal, 6- 21” torpedo tubes (17 torpedos)  1 seaplane  Crew: 100 

I-40            Completed: 31.07.43   missing from 23.11.43          

I-41            Completed: 18.09.43   sunk 18.11.44 by USS Lawrence C Taylor (DE-415) east of Samar  

I-42            Completed: 03.11.43   sunk 23.03.44 at 2324hrs by USS Tunny (SS-282) 6 miles SW of  Palau  

I-43            Completed: 05.11.43   sunk 15.02.44 at 2224hrs by USS Aspero (SS-309) 280 miles ESE of Guam

I-44            Completed: 31.01.44   sunk 29.04.45 by USS Tulagi (CVE-72) 220 miles SE of Okinawa  

I-45            Completed: 28.12.43    sunk 28.10.44 by USS Whitehurst (DE-634)east of Sarigao Island   

I-46 Class (Type C2)

Surfaced: 2,557 tons   Dimensions: 358’6” x 29’8” x 17’6”   

Machinery: 2 shaft Kampon Mod 10 diesels   12,400 bhp= 23.5 knots 

Oil: 751 tons tons        Radius:  14,000 miles @ 16 knots

Submerged: 3,564 tons   2 electric motors 2,000 hp=8 knots

Armament: 1-5.5”/40 cal, 2-25mm 8 21” torpedo tubes (20 torpedos) Crew: 112 

I-46            Completed: 29.02.44 sunk 28.10.44 at 1414hrs by USS Helm (DD-388) east of Layte  

I-47            Completed: 10.07.44 surrendered, scuttled 01.04.46 off Goto Retto

I-48            Completed: 05.09.44 sunk 23.01.45 at 0936hrs by USS Conklin (DE-439) 17 miles north of Yap

I-52 Class (Type C3)

Surfaced: 2,095 tons                     Dimensions:   x30’6” x 16’10” 

Machinery: 2 shaft    Diesels 7,700shp=17.7 knots    

Oil:             Radius: 21,000 miles @ 16 knots

Submerged: 3,644 tons   2 electric motors 1,200 hp=6.5 knots  105 miles @ 3 knots

Armament: 1-5.5”/40cal, 2-21” torpedo tubes (19 torpedos)  Crew: 101 

I-52            Completed: 18.12.43 sunk 24.06.44 at 0100hrs by US aircraft west of Cape Verde Islands  

I-53            Completed: 20.02.44 surrendered, scuttled 01.04.46 by USS Nereus (AS-17) off Goto Retto  

I-54 Class (Type B3)

Surfaced: 2,607 tons                     Dimensions: 356’6” x 30’6” x x17’0”  

Machinery: 2 shaft Kampon Mod 10 diesels  4,700bhp 17.5 knots

Oil: 735 tons                Radius: 21,000 miled @ 16 knots

Submerged: 3,688 tons 2 electric motors  1,200 hp=6.5 knots  105 miles @ 3knots

Aremament: 1-5.5”/40cal, 4-25mm, 8-24” torpedo tubes (20 torpedos) Crew: 112 

I-54            Completed: 01.03.44 sunk 24.10.44             

I-55            Completed: 20.04.44  sunk 14.07.44 at 0804hrs by USS William C Miller (DE-259) 78 miles off Saipan  

I-56            Completed: 08.06.44  sunk 18.04.45 by US destroyers 160 miles east of Okinawa   

I-58            Completed: 07.09.44  surrendered, scuttled 01.04.46 by USS Nereus (AS-17) off Goto Retto  

I-121 Class (Type KRS)

Surfaced: 1,383 tons Dimensions: 279’6” x 24’4” x 14’4”  

Machinery: 2 shaft diesels 2,400bhp=14.5 knots   

Oil:     tons                    Rafdius:10,500 miles @ 8 knots

Submerged: 1,768 tons 2 electric motors  1,100hp=7 knots  40 miles @ 7 knots

Armament: 1-5.5”/40cal 4-21” torpedo tubes Crew: 80

I-121          Completed: 31.03.27 surrendered, scuttled 30.04.46 in Wakasa bay

I-122          Completed: 28.10.27 sunk 10.06.45 at 1120hrs by USS Skate (SS-305) 6 miles SE Rokugo Misaki

I-123          Completed: 28.04.28 sunk 29.08.42 by USS Gamble (DM-15) 60 miles east of Savo Island  

I-124          Completed: 10.12.28 sunk 20.01.42 at 1356hrs by HMAS Deloraine west of Darwin   

I-152 Class (Type KD2)

Surfaced: 1,390 tonds                   Dimensions: 330’10”x25’1”x16’10”

Machinery: 2 shaft Sulzer diesels 6,800bhp=22 knots

Oil: 230 tons                Radius: 10,000 miles @ 10 knots

Submerged: 2,500 tons   2 electric motors 2,000hp=10 knots 100 miles @ 4 knots

Armament: 1-4.7”/40cal, 1 3”/40cal, 8-21’ torpedo tubes (16 torpedos)  Crew: 60

I-152          Completed: 20.05.25  Hulked, surrendered. Scrapped 1948

I-153 Class (Type KD3A)

Surfaced: 1,635 tons  Dimensions: 331’0” x 26’0” x15’9”

Machinery: 2 shaft diesels 6,800bhp=20 knots   tons oil  10,000 miles @ 8 knots

Submerged: 2,300 tons  2 electric motors 1,800hp=8 knots

Oil:             Radius:90 miles @ 3 knots

Armament: 1-4.7”/50cal, 8-21” torpedo tubes (16 torpedos) Crew: 81

I-153          Completed: 30.03.27 surrendered , scuttled 05.46 in Iyo Nada

I-154          Completed: 15.12.27 surrendered scuttle 05.46 in Iyo Nada

I-155          Completed: 05.09.27 surrendered, scuttled 05.46 in Iyo Nada

I-158          Completed: 15.05.28  surrendered, scuttled 01.04.46 by USS Nereus (AS-17) off Goto Retto  

I-156 Class (Type KD3B)

Surfaced: 1,635 tons Dimensions:331” x 25’11” x 15’11”  

Machinery: 2 shaft Kampon 8cyl diesels 6,800bhp=20 knots

Oil: 230 tons                Radius: 10,000 miles @ 10 knots

Submerged: 2,300 tons 2 electric motors 1,800hp=8 knots  90 miles @ 3 knots

Aremament: 1-4.7”/45cal, 8-21” torpedo tubes (16 torpedos)  Crew: 81 

Rennumbered May 1942

I-156          Completed: 31.03.29 Surrendered at Sasebo, scuttled 01.04.46 off Goto Rotto.

I-157          Completed: 24.12.29 Surrendered at Sasebo, scuttled 01.04.46 off Goto Rotto.

I-159          Completed: 10.03.30  Surrendered at Sasebo, scuttled 01.04.46 off Goto Rotto.

I-60            Completed: 25.12.29  sunk 17.01.42 by HMS Jupiter 25 miles NNW of Krakatoa  85 dead 2 saved

I-63            Completed: 20.12.28  Sunk 02.02.39 in collision with I-60 in in Bungo Straits 81 dead. Raised, 22.01.40 and scrapped

I-61 Class (Type KD4)

Surfaced: 1,635 tons Dimensions: 310’6” x 25’7” x 15’10”

Machinery: 2 shaft Kampon 10-cyc diesels 6,000bhp=20 knots

Oil: 230 tons                Radius: 10,800 miles @ 10 knots

Submerged: 2,300 tons 2 electrict motors 1,800hp=8 knots (60 miles @ 3 knots

Aremamnet: 1-4.7”/45cal, 6-21” torpedo tubes (14 torpedos)  Crew: 81

Renumbered May 1942

I-61            Completed: 06.04.29  Sunk in accident 02.10.41, raised 2/42 and scrapped

I-162          Completed: 24.04.30  surrendered at Sasebo, scuttled off 01.04.46 Goto Retto

I-164          Completed: 30.08.30  sunk 17.05.42 by USS Triton (SS-201) 230 miles SE of Kagoshima  

I-165 Class (Type KD5)

Surfaced: 1,575 tons Dimensions: 320’6” x26’9” x 15’6”

Machinery: 2 shaft diesels 6,000bhp=20 knots 

Oil:    tons Radius:10,000 miles @ 10 knots

Submerged: 2,330 tons 2 electric motors 1,800 hp=8 knots 60 miles @ 3 knots

Armament: 1-3.9”/ cal 1-13mm, 6 21” torpedo tubes (14 torpedos) Crew: 82 

Renumbered May 1942

I-165          Completed: 10.09.32  sunk 27.06.45 at 1247hrs by VPB-142  

I-166          Completed: 10.11.32  sunk 17.07.44 at 0722hrs by HMS Telemachus (P321)  

I-67            Completed: 08.08.32  sunk 29.08.40 in Bonin Islands

I-168 Class (Type KD6)

Surfaced: 1,400 tons  Dimensions: 343’6” x 27’0” x 15’0”

Machinery: 2 shaft diesels 9,000bhp=23 knots   

Oil:      tons                   Radius: 14,000 miles @ 10 knots

Submerged: 2,440 tons 2 electric motors 1,800hp=8 knots 65 miles @ 3 knots

Armament: 1-3.9” or 1-4.7”, 2-13mm, 6/21” torpedo tubes (14 torpedos) Crew: 91        

Remumbered May 1942

I-168          Completed: 31.07.34  sunk 27.07.43 at 1809hrs by USS Scamp (SS-277) 60 miles off New Hanover   

I-169          Completed: 28.09.35  sunk 04.04.44 at 0900hrs by accident at Truk   

I-70            Completed: 09.11.35                     sunk 10.12.41 by USS Enterprise (CV-6) 121 miles NE of Molokai  

I-171          Completed: 24.12.35                     sunk 01.02.44 by USS Guest (DD-472) 15 miles west of Buka  

I-172          Completed: 07.01.37  missing from 03.11.42 off Guadalcanal   

I-73            Completed: 07.01.37  sunk 27.01.42 by USS Gudgeon (SS-211) 240 miles west of Midway  

I-174 Class (Type KD6B)

Surfaced: 1,630 tons  Dimensions: 343’6” x 27’1” x 15’2”

Machinery: 2 shaft diesels 8,000bhp=23.1 knots   

Oil:      tons                   Radius: 8,000 miles @ 16 knots

Submerged: 2,602 tons 2 electric motors 1,800hp=8 knots 50 miles @ 5 knots

Armament: 1-5”/50,  2-25mm, 6-21” torpedo tubes (12 torpedos) Crew: 100 

I-174          Completed: 15.08.38  sunk 12.04.44 by US aircraft off of Truk  

I-175          Completed: 18.12.38  sunk 04.02.44 by USS Fair (DE-35) east of Wojte  

I-176 Class (Type KD7)           

Surfaced: 1,630 tons Dimensions: 346’ x 27’x 15’ 

Machinery:  2 shaft diesels 8,000bhp=23 knots

Oil: 341 tons                Radius: 8,000 miles @ 10 knots

Submerged: 2,602 tons 2 electrict motors 1,800hp= 8 knots 50 miles @ 3 knots

Armament: 1-4.7”, 2-25mm, 6-21” torpedo tubes (14 torpedoes) Crew: 100

I-176          Completed: 04.08.42                     sunk 17.05.44 by USDS Franks (DD-554) 125 miles NE Green Island  

I-177          Completed: 16.12.42                     sunk 03.10.44 at 0440hrs by USS Samual S Miles (DE-183) NNE of Angur  

I-178          Completed: 26.12.42                     sunk 17.06.43 by Australian aitcraft 65 miles SE of Coffs Harbor, Australia  

I-179          Completed: 18.06.43                     sunk 14.07.43 by accident off Akizaki, Japan

I-180          Completed: 31.01.43 sunk 26.04.44 at 0107hrs by USS Gilmore (DE-18) SW of Cherikof Island, Aleutians

I-181          Completed: 24.05.43 sunk 16.01.44   

I-182          Completed: 10.05.43                     sunk 01.09.43 by USS Wadsworth (DD-460) off Espritu Santo   

I-183          Completed: 03.10.43                     sunk 29.04.44 by USS Pogy (SS-266) 30 miles south of Cape Ashizuri

I-184          Completed: 15.10.43  sunk 19.06.44 by aircraft from USS Sauwanee (CVE-27) 20 miles SE of Saipan  

I-185          Completed: 23.09.43                     sunk 22.06.44 at 1144hrs by USS Newcomb (DD-586) off Saipan  

I-201 Class (Type Sen Taka)

Surfaced: 1,070 tons Dimensions: 259’x 19’ x 17’11”  

Machinery: 2 shaft M.A.N. Type 1 diesels 2,750bhp=15.8 knots      

Oil:                                 Radius: 5,800 miles @ 14 knots

Submerged: 1,480 tons 2 electric motors 5,000hp=19 knots  135 miles @ 3 knots

Armament: 2-25mm, 4-21” torpedo tubes (10 torpedoes)  Crew: 31 

I-201                             Completed: 02.02.45 surrendered, sunk 23.05.46 as target at 1058hrs by USS Queenfish (SS-393) off Pearl Harbor  

I-202                             Completed: 12.02.45 surrendered, scuttled 05.04.46

I-203                             Completed: 29.05.45 surrendered, sunk as target by USS Caiman (SS-323) off Pearl Harbor  

I-204                              Completed:  ------     cancelled 25.07.45

I-205                             Completed: -------     cancelled 19.03.45

I-206                             Completed: ---------

I-207                             Completed: --------

I-208                             Completed: --------

I-351 Class (Type Sen-Ho)

Surfaced: 2,650 tons Dimensions: 363’9” x 33’3” x 20’1”

Machinery: 2 shaft Kampon Model 10 diesels 3,700bhp=15.8 knots 

Oil:             tons            Radius: 13,000 miles @ 14 knots

Submerged: 4,290 tons 2 shaft electric motors 1,200 hp=6.3 knots 100 miles @ 3 knots

Armament: 7-25mm, 4-21” torpedo tubes (4 torpedoes) Crew: 77 crew  Passangers: 13 

I-351                             Completed: 28.01.45  sunk 14.07.45 by USS Bluefish (SS-222) 100 miles ENE Borneo  

I-352                             Completed: -------        hull sunk 22.06.45

I-353                             Completed: -------        Cancelled

I-361 Class (Type D1)

Surfaced: 1,440 tons         x 29’2” x 15’7”

Machinery: 2 shaft Kampon Model 8 diesels 1,850 bhp=13 knots 

Oil:   tons                      Radius: 15,000 miles @ 10 knots

Submerged: 2,215 tons 2 electric motors 1,200 hp=6 knots 120 miles @ 3 knots

Armament: 1-5.5”/40cal, 2-25mm, no torpedo tubes Crew: 60 Passengers: 110 

Note: Transport submarine

I-361                             Completed: 25.05.44 sunk 31.05.45 by USS Anzio (CVE-57) 400 miles SE of  

I-362                             Completed: 23.05.44                     sunk 14.01.45 by USS Fleming (DE-32)  

I-363                             Completed: 08.07.44                     sunk 29.10.45 at 1245hrs. by mine  . Wreck scrapped 1966

I-364                             Completed: 14.06.44                     sunk 16.09.44 by USS Sea Devil (SS-400) 250 miles east of Bono Peninsuka  

I-365                             Completed: 01.08.44                     sunk 29.11.44 by USS Scabbardfish (SS-397) 75 miles east of Yokosuka 

I-366                             Completed:  03.08.44 surrendered at Kure, scuttled 01.04.46 by USS Nereus (AS-17) off Goto Retto  

I-367                             Completed: 15.08.44                     surrendered at Kure, scuttled 01.04.46 off Goto Retto  

I-368                             Completed: 25.08.44  sunk 26.02.45 at 0338hrs by USS Anzio (CVE-57) 35 miles west of Iwo Jima  

I-369                             Completed: 10.09.44                     surrendered at Yokosuka, scrapped at Yokosuka 1946

I-370                             Completed: 04.09.44                     sunk 26.02.45 at 1005hrs by USS Finnegan (DE-307)  

I-371                             Completed: 02.10.44                     sunk 24.02.45 by USS Largarto (SS-371)in Bungo Strait 

I-372                             Completed: 08.11.44                     sunk 18.07.45 by US aircraft at Yokosuka      

I-373 Class (Type D2)

Surfaced: 1,660 tons 242’9” x 29’2” x 16’7”

Machinery: 2 shaft diesels 1,750bhp=13 knots

Oil: 150 tons                Radius: 15,000 miles @ 10 knots

Submerged: 2,240 tons 2 electric motor 1,200hp=6.5 knots 100 miles @ 3 knots

Armament: 1-5.5”/40cal, 2-25mm, no torpedo tubes  Cargo: 110 tons, 150 tons gasoline   Crew: 60  

Note: Transport submarine

I-373                              Completed: 14.04.45 sunk 14.08.45 by USS Spikefish (SS-404) 190 miles SE Shanghai

I-374                             Completed: --------

I-400 Class (Type Sen Toko)

Surfaced: 5,233 tons Dimensions: 400’3”x 39’4”x 23’ 

Machinery: 2 shaft Kampon Model 10 diesels 7,700bhp=19 knots

Oil:       tons oil  34,000 miles @ 14 knots

Submerged: 6,560 tons 2 electrict motors 2,400hp=6.5 knots 60 miles @ 3 knots

Armament: 1-5.5”/40cal, 10-25mm, 8-21” torpedo tubes (20 torpedoes, 3 Aichi M6A1 Seiran seaplanes Crew: 144

I-400                             Completed: 30.12.44 surrendered, sunk 04.06.46 by USS Trumpetfish (SS-425) off Pearl Harbor 

I-401                             Completed: 08.01.45 surrendered sunk as target 31.05.46 by USS Cabezon (SS-334) off Pearl Harbor

I-402                             Completed: 25.07.45 surrendered scuttled by USS Everett F Larson (DD-830) off Goto Retto  

I-404                             Completed: ------  hull sunk 28.07.45

I-405                             Completed:  -------

I-501 (German Type IX-D2)

Surfaced: 1,616 tons 287’4”x 24’7”   

Machinery: 2 shaft M.A.N. diesel 4,400bhp=19.2 knots

Oil:             Radius: 23,700 miles @ 12 knots

Submerged: 1,804 tons  2 SSW electric  motors 1,000hp=6.9 knots 57 miles @  4 knots

Armament: 1-4.1”/456cal, 6-21” torpedo tubes (24 toredoes)        Crew: 63 

Former German, seized 08.05.45

30 built U-181, 195, 177-179, 181-182, 196-200, 847-852, 859-864, 871-876

I-501 (ex U-181)         Completed: 09.05.42  commissioned 14.07.45 surrendered, scuttled 16.02.46 in Straits of Malacca 

I-502 (ex U-862)         Completed: 07.10.43  commissioned 15.07.45 surrendered, scuttled 15.02.46 in Strait of Malacca  

I-503 Class (Italian Marcello Class)  

Surfaced: 1,043 tons                     Dimensions: 239’6”x 23’7’x 16’9” 

Machinery:  2 shaft Sulzer diesels 3,600bhp=17.4 knots 

Oil: 108 tons                Radius: 7,500 miles @ 9.4 knots

Submerged: 1,290 tons  2 C.R.D.A electric motors 1,100hp=8 knots 80 miles @ 4 knots

Armament: 2-3.9”/47cal, 4-13mm, 8-21” torpedo tubes (12 torpedoes), Crew: 58 

Former Italian, seized by Germany 09.09.43 then seized by Japan 08.05.45

Barbarigo (BO)          Completed: 19.09.38 sunk 17.06.43 by aircraft in Bay of Biscay

Dandolo (DO)              Completed: 25.03.38 scrapped, 1948

Emo (EO)                     Completed: 10.10.38 sunk 07.11.42 by HMT Lord Nuffield

Faa di Bruno (FB)     Completed: 23.10.39 sunk 08.01.40 by HMCS Ottawa in Atlantic

Marcello (ML)            Completed: 05.03.38 missing 02.41 in Atlantic

Mocenigo (MO)          Completed: 16.08.38 sunk 13.05.43 by US aircraft off Cagliari

Morosini (MS)            Completed: 11.11.38 missing after 08.08.42 in Atlantic

Nani (NI)                      Completed: 05.09.38 missing after 03.01.41 in Atlantic

Provana (PR)              Completed: 25.09.38 sunk 16.06.40 by La Curieuse    

Veniero (VN)               Completed: 06.06.38 sunk 07.06.42 by aircraft

I-503 (Commandante Alfredo Cappelli (CL)                  Completed: 23.09.39 UIT-24, 09.09.43 Captured: 08.05.45 renamed I-503  surrendered, scuttled 16.04.46 in Kii Suido

I-504 Class (Italian Marconi Class)

Surfaced: 1,191 tons                     Dimensions: 249’6x 25’11” x 15’6 

Machinery: 2 shaft CRDA diesels 3,600bhp=18 knots 

Oil:             Radius: 10,550 miles @ 8 knots

Submerged: 1,489 tons   2 electric motors 1,500hp=8 knots  110 miles @  knots

Armament: 1-3.9”45cal , 4-13mm, 8-21” torpedo tubes (12 torpedoes)           Crew: 57 

Former Italian, seized by Germany 09.09.43 then seized by Japan 08.05.45

Alessandro Malaspina (MP)       Completed: 20.06.40 sunk 10.09.41 by British aircraft 0 saved

Guglielmo Marconi (MN)           Completed: 02.02.40 missing after 28.10.41

Leonardo da Vinci (LV)              Completed: 22.09.40 sunk 23.05.43 by HMS Active 300 miles west of Vigo      

Maggiore Baracca (BC)              Completed: 10.07.40 sunk 07.09.41 by HMS Croome

Michele Bianchi (BH)                  Completed: 15.04.40 sunk 05.07.41 by HMS Tigris 

I-504 (ex Luigi Torelli (TI)            Completed  15.05.40   German UIT-28, 09.09.43, I-504 Commissioned 15.07.45  surrendered, scuttled 16.04.46 in Kii Suido

I-505 Class (German Type X-B)

Surfaced: 1,763 tons                     Dimensions: 294’7”x 30’2”x 155 

2 shaft Germania diesels 4,800bhp=17.0 knots

Oil: 368 tons                Radius:  18,450 miles @ 10 knots

Submerged: 2,177 tons  2 AEG electric motors 1,100hp=7.0 knots 93 miles @ 4 knots

Armament: 1-4.1/45cal, 2-21” torpedo tubes (15 torpedoes) 66 SMA mines Crew: 60 

Former German 8 built U116-119, U219-220, U233-234

I-505 (ex U-219)         Completed 12.12.42                      Commissioned 15.07.45 surrendered, scuttled 03.02.46 by HMNhS Kortenar in Sunda Strait  

I-506 Class (German Type IX-D1)

Surfaced: 1,616 tons Dimensions: 287’4”x 24’7”x 17’7”   

Machinery: 2 shaft Germania diesel 4,400bhp=19.2 knots

Oil: 203 tons                Radius: 23,700 miles @ 12 knots

Submerged: 1,804 tons  2 SSW electric motors 1,000hp=6.9 knots 57 miles @  4 knots

Armament: 1-4.1”/456cal, 6-21” torpedo tubes (24 torpedoes)      Crew: 63 

Former German. 30 Built

I-506 (ex U-195)         Completed 25.09.42 Commissioned 15.07.45  surrendered, scuttled 15.02.46 in Bali Sea  

RO-13 Class (Type Kaichu 2)

Surfaced: 735 tons    Dimensions: 230’0”x 20’0”x 12’1”   

Machinery: 2 shaft diesel 2,600bhp=17 knots

Oil: 75 tons                   Radius: 6,000 miles @ 10 knots

Submerged: 1,050 tons 2 electric motors 1,200hp=8 knots 85 miles @ 4 knots

Armament: 1-3”/28cal, 6-18” torpedo tubes (10 torpedoes) Crew: 45

Note: Training hulk

RO-13                           Completed: 30.09.20        scrapped 1932    

RO-14                           Completed: 17.02.21        stricken 1931, hulked. Scrapped 1948

RO-15                           Completed: 30.06.21        scrapped 1931

RO-16 Class (Type Kaichu 3)

Surfaced: 736 tons     Dimensions: 230’0”x 20’1”x 12’1”   

Machinery: 2 shaft diesels 2,600bhp=17 knots 

Oil: 75 tons                   Radius: 6,000miles@10 knots

Submerged: 1,050 tons  2 electric motors 1,200hp=8 knots 85 miles @ 4 knots

Armament: 1-3”/28cal, 6-18” torpedo tubes (10 torpedoes)            Crew: 45 

Training hulk

RO-16                           Completed: 01.11.24                     stricken 01.04.36, scrapped

RO-17                           Completed: 07.11.24                     stricken 01.04.34, scrapped

RO-18                           Completed: 15.12.21 stricken 01.04.34, scrapped

RO-19                           Completed: 15.03.22                     stricken 1936, hulk Hai Kan 4 at Tokuyama, scrapped 1948

RO-20                           Completed: 01.02.22 stricken 01.04.32, scuttled

RO-21                           Completed: 01.02.22 stricken 01.04.32, scuttled

RO-22                           Completed: 10.10.22                     stricken 01.04.32, scrapped

RO-23                           Completed: 28.04.23                     stricken 01.04.32, scrapped

RO-24                           Completed: 30.11.20                     stricken 01.04.32, scrapped

RO-25                           Completed: 25.10.21                     stricken 01.04.36, scrapped

RO-26 Class (Type Kaichu 4)

Surfaced: 746 tons     Dimensions: 243’6”x 20’1”x 12’3”    

Machinery: 2 shaft  Sulzer diesels 2,600bhp=16 knots 

Oil: 75 tons                   Radius: 6,000 miles @ 10 knots

Submerged: 1,080 tons    2 electric motors 1,200hp=8 knots 85 miles @ 4 knots

Armament: 1-3”/28cal, 4-21” torpedo tubes (8 torpedoes) Crew: 45

Note; training hulks

RO-26                           Completed: 25.01.23                     stricken 01.04.40, hulked, scrapped 1948

RO-27                           Completed: 13.07.24                     stricken 01.04.40, hulked, scrapped 1947

RO-28                           Completed: 30.11.23  stricken 01.04.40, hulked, scrapped 1948

RO-29 Class (Type KT)

Surfaced: 665 tons     Dimensions: 243’0”x 20’1x 12’3”  

Machinery: 2 shaft Fiat diesels 1,200bhp=13 knots

Oil: 113 tons                Radius: 8,000 miles @ 13 knots

Submerged: 1,030 tons   2 electric motors 1,200hp=8 knots  85 miles @ 4 knots

Armament: 1-4.7”/45 cal, 4-21” torpedo tubes (8 torpedoes)          Crew: 43 

RO-29                           Completed: 15.09.23   stricken 01.04.36, scrapped

RO-30                           Completed: 29.04.24   stricken 01.04.42, hulked at Otake, scrapped 1946

RO-31                           Completed: 25.09.26   stricken 25.05.45 surrendered, scuttled 05.04.46 at Sasebo

RO-32                           Completed: 31.05.24   stricken 01.04.42 hulked at Otake, scrapped 1946

RO-33 Class (Type KS)

Surfaced: 700 tons     Dimensions: 248’4”x 21’11”x 12’11”  

Machinery: 2 shaft diesels 2,900bhp=19 knots 

Oil:             Radius: 8,000 miles @ 12 knots

Submerged: 940 tons 2 electric motors 1,200hp=8.2 knots 90 miles @ 3 knots

Armament: 1-3”/40cal, 1-13mm, 4-21” torpedo tubes (10 torpedoes), Crew: 66 

RO-33       Completed: 07.10.35  sunk 29.08.42 at 1305hrs. by HMAS Arunta 10 miles southeast of Port Moresby  

RO-34       Completed: 31.05.37                     sunk 05.04.43  at 0319 hrs. by USS O’Bannon (DD-450) 40 miles off Russell Islands  

RO-35 Class (Type K6)

Surfaced: 960 tons     Dimensions: 259’2”x 23’1”x 13’2”  

Machinery:  2 shaft diesels 4,200bhp=19.7 knots

Oil:             Radius: 5,000 miles @ 16 knots

Submerged: 1,447 tons 2 electric motors 1,200hp=8 knots   45 miles @ 5 knots

Armament: 1-3”/40cal, 2-25mm, 4-21 torpedo tubes (10 torpedoes),               Crew: 70 

RO-35       Completed: 31.03.43 sunk 25.08.43 by USS Patterson (DD-392) 170 miles east of Santa Cruz, Solomons   

RO-36       Completed: 27.05.43 sunk 13.06.44 by USS Melvin (DD-680) 75 miles east of Saipan     

RO-37       Completed: 30.06.43 sunk 22.01.44by USS Buchanan (DD-484) off San Christobal Island  

RO-38       Completed: 24.07.43 missing from 06.12.43 off Gilbert Islands

RO-39       Completed: 12.09.43 sunk 02.02.44 by USS Walker (DD-517) off Wotje   

RO-40       Completed: 28.09.43 sunk 16.02.44 by USS Phelps (DD-360) 45 miles northwest of Kwajalein  

RO-41       Completed: 26.11.43 sunk 32345 by USS Haggard (DD-555) southeast of Okinawa  

RO-42       Completed: 30.09.43 sunk 11.08.44 by USS Bangust (DE-739) 40 miles east of Roi  

RO-43       Completed: 16.12.43 sunk 26.02.45 0220hrs. by USS Anzio (CVE-57) VC-82

RO-44       Completed: 19.09.43 sunk 16.06.44 by USS Burden R. Hastings (DE-19) 110 miles east of Eniwetok  

RO-45       Completed: 1/11/44 sunk 30.04.44 by USS MacDonough (DD-351) 40 miles south of Truk   

RO-46       Completed: 11.02.44 sunk 29.04.45 by VC-92 from USS Tulagi (CVE-72) off Okinawa   

RO-47       Completed: 31.01.44 sunk 9/26/44at 0615hrs by USS McCoy Reynolds (DE-440) northeast of Palau  

RO-48       Completed: 31.03.44 sunk 14.07.44 by USS Wyman (DE-38) 300 miles east of Saipan  

RO-49       Completed: 19.05.44 sunk 05.04.45 by USS Hudson (DD-475) off Kume Jima, Okinawa  

RO-50       Completed: 31.07.44 surrendered at Maizuru. Scuttled 01.04.46 off Goto Rotto

RO-55       Completed: 30.09.44 sunk 07.02.45 at 2330hrs by USS Thomason (DE-203) off Iba, Luzon  

RO-56       Completed: 05.11.44 sunk 09.04.45 by USS Monnsen (DD-691) off Okinodaito Jima  

RO-57 Class (Type L3)

Surfaced: 889 tons     Dimensions250’0”x 23’6”x 13’0”   

Machinery: 2 shaft Vickers diesels 2,00bhp=17 knots 

Oil: 98 tons                   Radius: 7,000 miles @ 10 knots

Submerged: 1,193 tons    2 electric motors 1,600hp=8 knots 85 miles @  4 knots

Armament: 1-3/28cal, 1-13mm, 4-21” torpedo tubes (10 torpedoes),               Crew: 60 

RO-57       Completed: 20.07.22                     surrendered, scrapped, 1946

RO-58       Completed: 25.11.22                     surrendered, scrapped, 1946

RO-59       Completed: 20.02.23                     surrendered, scrapped, 1946

RO-60 Class (Type L4)

Surfaced: 988 tons     Dimensions: 250’0”x 24’2”x 12’4”  

2 shaft Vickers diesels 2,400bhp=16 knots  101 tons oil  7,000 miles @ 10 knots

Submerged: 1,322 tons     2 electric motors 1,600hp=8 knots    85 miles @ 4 knots

Armament: 1-3”/28cal, 1-13mm, 6-21 torpedo tubes (10 torpedoes), Crew: 66 

RO-60       Completed: 17.09.23                     grounded at 0200hrs on Kwajalein  

RO-61       Completed: 09.02.24                     sunk 31.08.42 by USS Reid (DD-369) in Aleutian Islands  

RO-62       Completed: 24.07.24                     surrendered at Maizuru. Scuttled 5/46 in Iyo Wan

RO-63       Completed: 20.12.24                     surrendered at Maizuru, scuttled 5/46 in Iyo Wan

RO-64       Completed: 30.04.25                     sunk 12.04.45 at 1438hrs by mine in Hiroshima Bay 

RO-65       Completed: 30.06.26                     sunk 04.11.42 by US aircraft at Kiska

RO-66       Completed: 28.07.27                     sunk 17.12.41 at 2020hrs in collision with RO-62 25 miles SW of Wake Island    

RO-67       Completed: 15.12.26 surrendered, scrapped 1946

RO-68       Completed: 29.10.25                     surrendered, scuttled 30.04.46 in Maizuru Bay

RO-100 Class

Surfaced: 525 tons     Dimensions: 194’4”(wl)x 19’8”x 11’6” 

Machinery:  2 shaft diesel 1,100bhp=14.2 knots

Oil:             Radius: 3,500 miles @ 12 knots

Submerged: 782 tons   2 electrict motors 760hp=8 knots   60 miles @ 3 knots

Armament: 2-25mm, 4-21 torpedo tubes (8 torpedoes),                   Crew: 55 

RO-100     Completed: 23.09.42                     sunk 25.11.43 at 1910hrs by mine 2 miles NE of Buin  

RO-101     Completed: 31.10.42                     sunk 15.09.43 at 1446hrs by USS Saufly (DD-465) off Guadalcanal  

RO-102     Completed: 17.11.42                     sunk 14.05.43 by USS PT-150 in Vitiaz Strait, New Guinea

RO-103     Completed: 21.10.42                     missing from 10.08.43    

RO-104     Completed: 25.02.43                     sunk 23.05.44 at 0834hrs by USS England (DE-635) 250 miles NNW Kavieng  

RO-105     Completed: 05.03.43                     sunk 31.05.44 at 0735hrs by USS England (DE-635) 200 miles NNW of Kavieng  

RO-106     Completed: 26.12.42                     sunk 22.05.44 at 0352hrs by USS England (DE-635) 250 miles north of Kavieng  

RO-107     Completed: 26.12.42                     sunk 12.07.43 at 0510hrs by USS Radford (DD-446) 15 miles east of Kolombangara  

RO-108     Completed: 20.04.23                     sunk 26.05.44 at 2323hrs by USS England (DE-635) 110 miles north of Manus  

RO-109     Completed: 30.04.43                     sunk 25.04.45 by USS Horace A Bass (APD-124) 165 miles SSW of Daito Jima  

RO-110     Completed: 06.07.43                     sunk 02.02.44 by HMIS Jumna 200 miles NE Madras, India  

RO-111     Completed: 19.07.43                     sunk 10.06.44 at 1558hrs by USS Taylor (DD-468) north of Admiralty Islands  

RO-112     Completed: 15.09.43                     sunk 11.02.45 at 2202hrs by USS Batfish (SS-310) off Camiguin Island, Philippines     

RO-113     Completed: 12.10.43                     sunk 13.02.45 at 0449hrs by USS Batfish (SS-310)off Babuyan Island, Philippines  

RO-114     Completed: 20.11.43                     sunk 17.06.44 by USS Wadleigh (DD-689) 80 miles west of Tinian  

RO-115     Completed: 30.11.43                     sunk 01.02.45 at 0015 by USS Ulvert M Moore (DE-442) 125 miles SW of manila  

RO-116     Completed: 21.01.44                     sunk 24.05.44 by  USS England (DE-635) north of Admiralty Islands

RO-117     Completed: 31.01.44                     sunk 24.06.44 by US aircraft 350 miles SE of Saipan

RO-500 Class (German Type IX-C)

Surfaced: 1,120 tons                     Dimensions:    250’10”x 22’2”x 15’5”

Machinery: 2 shaft M.A.N. 9-cyl diesels 4,400bhp=18.3 knots

Oil: 208 tons                Radius: 13,450 miles @ 10 knots

Submerged: 1,232 tons 2 SSW electrict motors 1,000hp= 7.3 knots 63 miles @ 4 knots

Armament: 1-4.1”/45cal, 6 torpedo tubes (22 torpedoes)                Crew: 56  

Former German 54 built  U-66-68, 125-131, 153-166, 171-176, 500-524

RO-500 (ex U-511)                        Completed 08.12.41  Sold to Japan: 16.09.43    surrendered, scuttled 30.04.46 in Wakasa Gulf

RO-501 Class (German Type IX-C/40)

Surfaced: 1,120 tons                     Dimensions: 251’10”x 22’6”x 15’4”  

Machinery: 2 shaft M.A.N. 9cyl diesels 4,400bhp=19 knots

Oil: 214 tons                Radius: 13,850 miles @ 10 knots

Submerged: 1,232 tons 2 SSW electric motors 1,000hp=7.3 knots 63 miles @ 4 knots

Armament: 1-4.1”/45, 6 torpedo tubes (22 torpedoes) Crew: 56 

Former German. 87 completed U-167-170, 183-194, 525-550, 801-806, 841-846, 853-858, 865-870, 877-881, 889, 1221-1235

RO-501 (ex U-1224)                      Completed 20.10.43  sunk 13.05.44 by USS Francis M Robinson (DE-220) 500 miles west of  Cape Verde Islands

HA-101 Class (Type Sen Yu Sho)

Surfaced: 429 tons     Dimensions: 146’0”x 20’0”x 13’3”    

Machinery: 2 shaft diesel 400bhp=10 knots

Oil:             Radius: 4,000 miles @ 8 knots

Submerged: 493 tons  1 electric motor 150hp=5 knots

Armament: 1-25mm, 2-21” torpedo tubes (4 torpedoes)                  Crew: 21 

HA-101                         Completed: 22.11.44  surrendered, scrapped 1945

HA-102                         Completed: 22.11.44                     surrendered, scrapped 10/45

HA-103                         Completed: 03.02.45                     surrendered, scuttled 01.04.46 off Goto Retto  

HA-104                         Completed: 10.09.44                     surrendered, scuttled 10.45

HA-105                         Completed: 10.09.44                     surrendered, scuttled 01.04.46 off Goto Retto  

HA-106                         Completed: 15.12.44 surrendered, scuttled off Goto Island 

HA-107                         Completed: 07.02.45                     surrendered, scuttled off Goto Island  

HA-108                         Completed: 06.05.45                     surrendered, scuttled off Goto Island  

HA-109                         Completed: 10.03.45                     surrendered, scuttled off Goto Island  

HA-110                         Completed:                  surrendered, scuttled 15.04.46

HA-111                         Completed: 13.07.45                     surrendered, scuttled off Goto Island

HA-112                         Completed: -------        surrendered, scuttled 15.04.46

HA-201 Class (Type Sen Taka Sho)

Surfaced: 320 tons     Dimensions: 164’0”(pp) x 13’1”x 11’3”

Machinery: 1 shaft diesels 400 bhp=10 knots

Oil:             Radius:3000 miles @ 10 knots

Submerged: 440 tons 1 electric motor 1,250hp=13 knots 100 miles @ 2 knots

Armament: 2-21” torpedo tubes (4 torpedoes)                Crew: 22 

HA-201                         Completed: 31.05.45                     surrendered, scuttled off Goto Island  

HA-202                         Completed: 31.05.45                     surrendered, scuttled off Goto Island  

HA-203                         Completed: 20.06.45                     surrendered, scuttled off Goto Island  

HA-204                         Completed: 25.06.45                     surrendered, scrapped 1948

HA-205                         Completed: 03.07.45                     surrendered, scuttled 05.46 in Iyo Nada

HA-206                         Completed: --------      surrendered incomplete, scuttled 06.05.46 in Kii Suido

HA-207                         Completed: 14.08.45                     surrendered, scuttled 05.04.46 off Sasebo

HA-208                         Completed: 04.08.45                     surrendered, scuttled off Goto Island  

HA-209                         Completed: 04.08.45                     surrendered, scrapped 1947

HA-210                         Completed: 11.08.45                     surrendered, scuttled 05.04.46 off Sasebo

HA-211                         Completed: -------        scrapped incomplete

HA-212                         Completed: -------        scrapped incomplete

HA-213                         Completed: -------        scrapped incomplete

HA-214                         Completed: -------        scrapped incomplete

HA-215                         Completed: -------        scuttled 05.04.46 off Sasebo

HA-216                         Completed: 16.08.45                     surrendered, scuttled 05.04.46 off Sasebo

HA-217                         Completed: -------        scuttled 05.04.46 off Sasebo

HA-218                         Completed: -------        scrapped incomplete

HA-219                         Completed: --------      scuttled 05.04.46 off Sasebo

HA-220                         Completed: -------        scrapped incomplete

HA-221                         Completed: --------      scrapped incomplete

HA-222                         Completed: --------      scrapped incomplete

HA-223                         Completed: -------        scrapped incomplete

HA-224                         Completed: -------        scrapped incomplete

HA-225                         Completed: -------         scrapped incomplete

HA-226                         Completed: ---------     scrapped incomplete

HA-227                         Completed: -------        scrapped incomplete

HA-228                         Completed: --------      scuttled 05.04.46 off Sasebo

HA-229 to HA 247     Completed:  -------       scrapped incomplete

Ko-Hyoteki (Target A) Type A  

Surfaced: 46 tons       Dimensions: 78’6”x 10’2”x 6’ 

Machinery: 1 shaft electric motor 600hp=19 knots 80 miles @ 6 knots

Armament: 2-17.7” torpedo tubes (2 torpedoes)            Crew: 2  

NO. (I-16) sunk  07.12.41 at Pearl Harbor- see below   

NO. (I-18) sunk  07.12.41 at Pearl Harbor-see below    

NO. (I-20) sunk  07.12.41 at Pearl Harbor- see below                      

NO. (I-22) sunk 07.12.41  at Pearl Harbor- see below                      

NO. (I-16)  sunk  30.05.42             

NO. (I-18) scuttled  09.06.42 

NO. (I-20) sunk  30.05.42              

NO. ?   08.06.43 Kiska

NO. ?   08.06.43 Kiska

NO. ?   08.06.43 Kiska

NO. ? 14.01.44 on Yamatsuru Maru

NO. ? 17.01.44 on Tarushima Maru

NO.5 (in existence 09.45)

NO.8 sunk 02.12.42 Guadalcanal                 

NO.9

NO.10 sunk  28.11.42 Guadalcanal

NO.11 sunk  07.11.42 Guadalcanal

NO.12 sunk  22.11.42 Guadalcanal

NO.13 sunk  01.04.42 accident

NO.14 sunk  31.05.42                                      

NO.15 possibly lost at Pearl Harbor

NO.16 possibly lost at Pearl Harbor

NO.17 sunk  31.05.42                                        

NO.18 possibly lost at Pearl Harbor

NO.19 sunk  07.12.41 Pearl Harbor

NO.20 possibly lost at Pearl Harbor

NO.21 sunk  31.05.42                                        

NO.22 sunk  03.12.42 Guadalcanal

NO.23 16.02.44 (possible)

NO.24

NO.25

NO.26

NO.27

NO.28 12.42 Kiska

NO.29 sunk 14.04.43 Kiska

NO.30 sunk  11.11.42 Guadalcanal

NO.31 08.06.43 Kiska

NO.32 08.06.43 Kiska

NO.33 03.04.43 Kiska

NO.34 13.04.43 Kiska

NO.35

NO.36

NO.37 sunk 19.11.42                     

NO.38 sunk 07.12.42                     

NO.39

NO.40

NO.41

NO.42

NO.43

NO.44

NO.45

NO.46

NO.47

NO.48

Ko-Hyoteki (Target A)   (Type B)

Surfaced: 46 tons       Dimensions: 78’6”x 10’2”x 6’ 

Machinery: 1 shaft electric motor 600hp=19 knots 80 miles @ 6 knots

Armament: 2-17.7” torpedo tubes (2 torpedoes)            Crew: 2  

NO.49  sunk 28.01.44 on  Neikai Maru      

NO.50  sunk  14.01.44 on Yamazuru Maru

NO.51  sunk     1944 

NO.52  sunk  16.02.44 on Sanko Maru  

NO.53  Surrendered     

NO.54

NO.55

NO.56

NO.57

NO.58   CTL 15.09.44                    

NO.59

NO.60  sunk 31.03.45 Okinawa

NO.61 sunk, 10.10.44 Okinawa

Ko-Hyoteki (Target A) Hei Gata (Type C )

NO.62 sunk, 10.10.44 Okinawa

NO.63 sunk, 10.10.44 Okinawa

NO.64 sunk  07.04.45 Okinawa

NO.65 sunk, 10.10.44 (or 25.08.44) Okinawa

NO.66 sunk  10.10.44 Okinawa

NO.67 sunk  07.04.45 Okinawa

NO.68 sunk, 10.10.44 Okinawa

NO.69 20.03.45 CTL Philippines

NO.70

NO.71 sunk 05.01.45 Chichi Jima

NO.72

NO.73 sunk 25.08.44 in transit (storm)

NO.74