Chronological List of Japanese Naval Losses

JAPANESE NAVAL VESSELS SUNK DURING WORLD WAR II
(Chronological)

Date Name of Vessel Type of Vessel Standard
Tonnage
Location Flag of Agent Type of Agent Assessment
December 10 1941 I 170 Submarine 1,785 23-45N, 155-35W United States Navy Carrier- Based Aircraft Sunk
  10   MINESWEEPER NO 10 Minesweeper 630 17-32N, 120-22E United States Army Aircraft Sunk
  10   MINESWEEPER NO 19 Minesweeper 492 18-22N, 121-38E United States Army Aircraft Sunk
  11   HATATE Destroyer 1,270 19-16N, 166-37E United States Navy Shore-Battery Sunk
  11   KISARAGI Destroyer 1,500 19-16N, 166-37E United States Navy Shore-Battery Sunk
  17   RO 66 Submarine 988 19-25N, 166-30E Japan Marine Casualty Sunk
  18   SHINONOME Destroyer 1,950 4-24N, 114-00E Netherlands Mine Sunk
  22   PATROL BOAT NO 32 Old Destroyer 750e 19-17N, 166-35E Japan Marine Casualty Sunk
  22   PATROL BOAT NO 33 Old Destroyer 750e 19-17N, 166-35E Japan Marine Casualty Sunk
  24   SAGIRI Destroyer 1,950 1-34N, 110-21E Netherlands Submarine Sunk
  26   MINESWEEPER NO 6 Minesweeper 615 1-34N, 110-21E Netherlands Army Aircraft Sunk
  29   RO 60 Submarine 988 9-00N, 167-40E Japan Marine Casualty Sunk
        12 Vessels 13,668        
January 12 1942 MINESWEEPER NO 13 Minesweeper 492 3-15N, 113-35E Netherlands Shore Battery Sunk
  12   MINESWEEPER NO 14 Minesweeper 492 3-15N, 113-35E Netherlands Shore Battery Sunk
  17   I 160 Submarine 1,635 6-00S, 105-00E Great Britain Surface Craft Sunk
  20   I 124 Submarine 1,142 12-05S, 130-06E United States
Great Britain
Surface Craft
Surface Craft
Sunk
  24   PATROL BOAT NO 37 Old Destroyer 750e 00-10N, 118-00E United States Surface Craft Sunk
  27   I 173 Submarine 1,785 28-24N, 178-35E United States Submarine Sunk
  29   I 23 Submarine 2,212 20-35N, 155-29W United States Surface Craft Sunk
        7 Vessels 8,508        
February 2 1942 MINESWEEPER NO 9 Minesweeper 630 3-42S, 128-10E Netherlands Mine Sunk
  8   NATSUSHIO Destroyer 1,900. 5-10S, 119-24E United States Submarine Sunk
        2 Vessels 2,530        
April 3 1942 UNKNOWN Frigate 750e 00-36N, 119-19E United States Submarine Probably sunk
  26   RO 30 Submarine 965 18-11N, 166-54W United States Submarine Sunk
        2 Vessels 1,715        

--1--

Date Name of Vessel Type of Vessel Standard
Tonnage
Location Flag of Agent Type of Agent Assessment
May         2 1942 MIZUHO Seaplane Tender 9,000 34-26N, 138-14E United States Submarine Sunk
  4   KIKUTSUKI Destroyer 1,500 9-07S, 160-12E United States Navy Carrier-
Based Aircraft
Sunk
  7   SHOHO Light Aircraft Carrier 12,000 10-29S, 152-55E United States Navy Carrier-
Based Aircraft
Sunk
  11   OKINOSHIMA Minelayer 4,400 5-06S, 153-48E United States Submarine Sunk
  17   I 28 Submarine 2,212 6-30N, 152-00E United States Submarine Sunk
  17   I 164 Submarine 1,625 29-25N, 134-09E United States Submarine Sunk
  25   ASAHI Repair Ship 11,441 10-00N, 110-00E United States Submarine Sunk
        7 Vessels 42,178        
June 1 1942 RO 35 Submarine 965 Pacific Area Japan Marine Casualty Sunk
  4   AKAGI Aircraft Carrier 36,000 30-00N, 179-00W United States Navy Carrier-
Based Aircraft
Sunk
  4   KAGA Aircraft Carrier 35,000 30-00N, 179-00W United States Navy Carrier-
Based Aircraft
Sunk
  4   HIRYU Light Aircraft Carrier 17,500 31-15N, 179-05E United States Navy Carrier-
Based Aircraft
Sank
  4   SORYU Light Aircraft Carrier 17,500 30-13N, 179-17W United States Navy Carrier-
Based Aircraft
Submarine
Sunk
  6   MIKUMA Heavy Cruiser 13,000 30-00N, 173-00E United States Navy Carrier-
Based Aircraft
Marine Land-
Based Aircraft
Sunk
  25   YAMAKAZE Destroyer 1,580 34-34N, 140-26E United States Submarine Sunk
        7 Vessels 121,545        

--2--

Date Name of Vessel Type of Vessel Standard
Tonnage
Location Flag of Agent Type of Agent Assessment
July 4 1942 NENOHI Destroyer 1,600 52-15N, 173-51E United States Submarine Sunk
  5   ARARE Destroyer 1,850 52-00N, 177-40E United States Submarine Sunk
  9   RO 32 Submarine 700 55-20N, 134-40W United States Great Britain Surface Craft Aircraft Sunk
  15   SUBMARINE CHASER NO 25 Submarine Chaser 300 52-02N, 177-42E United States Submarine Sunk
  15   SUBMARINE CHASER NO 27 Submarine Chaser 300 52-02N, 177-42E United States Submarine Sunk
        5 Vessels 4,750        
August 10 1942 KAKO Heavy Cruiser 8,800 2-15S, 152-15E United States Submarine Sunk
  24   RYUJO Light Aircraft Carrier 8,500e 6-20S, 160-50E United States Navy Carrier-
Based Aircraft
Sunk
  25   MUTSUKI Destroyer 1,500 7-47S, 160-13E United States Army Aircraft Sunk
  28   I 123 Submarine 1,142 9-21S, 160-43E United States Surface Craft Sunk
  28   ASAGIRI Destroyer 1,950 8-00S, 160-10E United States Marine Land-
Based Aircraft
Probably sunk
  29   RO 33 Submarine 700 9-36S, 147-06E Great Britain Surface Craft Sunk
  31   RO 61 Submarine 983 52-36N, 173-57N United States Navy Land-
Based Aircraft
Surface Craft
Sunk
        7 Vessels 23,580        
September - 1942 RO 65 Submarine 988 North Pacific Unknown Unknown Sunk
  11   YAYOI Destroyer 1,500 8-45S, 151-25E United States
Great Britain
Army Aircraft
Aircraft
Sunk
        2 Vessels 2,488        
October - 1942 I 30 Submarine 2,212 l-00N, 105-00E Great Britain Mine Sunk
  11   FURUTAKA Heavy Cruiser 8,800 9-00S, 159-50E United States Surface Craft Sunk
  11   FUBUKI Destroyer 1,950 9-10S, 159-40E United States Surface Craft Sunk
  11   NATSUGUMO Destroyer 1,850 9-10S, 159-40E United States Surface Craft Sunk
  12   MURAKUMO Destroyer 1,950 8-40S, 158-20E United States Navy Land-
Based Aircraft
Marine Land-
Based Aircraft
Sunk
  16   OBORO Destroyer 1,950 52-17N, 178-08E United States Army Aircraft Sunk
  25   YURA Light Cruiser 5,700 8-40S, 160-00E United States Army Aircraft
Navy Land-
Based Aircraft
Marine Land-
Based Aircraft
Sunk
        7 Vessels 24,412        
November 10 1942 I 172 Submarine 1,785 10-13S, 161-09E United States Surface Craft Sunk
  13   AKATSUKI Destroyer 1,950 9-10S, 159-45E United States Surface Craft Sunk

--3--

Date Name of Vessel Type of Vessel Standard
Tonnage
Location Flag of Agent Type of Agent Assessment
November 13 1942 YUDACHI Destroyer 1,580 9-10S, 149-458 United States Surface Craft Sunk
  13   HIYEI Battleship 31,000 9-00S, 159-00E United States Army Aircraft
Navy Carrier-
Based Aircraft
Navy Land-
Based Aircraft
Marine Land-
Based Aircraft
Surface Craft
Sunk
  14   KINUGASA Heavy Cruiser 8,800 8-45S, 157-10E United States Navy Carrier-
Based Aircraft
Navy Land-
Based Aircraft
Marine Land-
Based Aircraft
Sunk
  15   KIRISHBIA Battleship 31,000 9-10S, 159-55E United States Surface Craft Sunk
  15   AYANAHI Destroyer 1,950 9-00S, 159-45E United States Surface Craft Sunk
  24   HAYASHIO Destroyer 1,900 7-00S, 140-30E United States Army Aircraft Sunk
  30   TAKANAMI Destroyer 1,900 9-10S, 159-45E United States Surface Craft Sunk
        9 Vessels 81,865        
December 10 1942 I 3 Submarine 1,995 9-14S, 159-40E United States Surface Craft Sunk
  12   TERUTSUKI Destroyer 2,450 7-50S, 157-30E United States Surface Craft Sunk
  16   I 15 Submarine 2,212 9-10S, 159-30E United States Navy Land-
Based Aircraft
Sunk
  18   TENRYU Light Cruiser 3,300 5-11S, 145-57E United States Submarine Sunk
  20   I 4 Submarine 1,995 5-02S, 152-33E United States Submarine Sunk
  22   PATROL BOAT NO 35 Old Destroyer 750e 5-05S, 156-04E United States Submarine Sunk
  25   I 22 Submarine 2,180 8-32S, 148-17E United States Surface Craft Sunk
        7 Vessels 14,882        
January 2 1943 I 18 Submarine 2,180 8-49S, 157-09E United States Submarine Sunk
  10   OKIKAZE Destroyer 1,300 35-02N, 140-12E United States Submarine Sunk
  12   PATROL BOAT NO 1 Old Destroyer 750e 2-51S, 149-43E United States Submarine Sunk
  23   HAKAZE Destroyer 1,300 2-47S, 150-38E United States Submarine Sunk
  29   I 1 Submarine 1.995 9-13S, 159-37E New Zealand Surface Craft Sunk
        5 Vessels 7,525        

--4--

Date Name of Vessel Type of Vessel Standard
Tonnage
Location Flag of Agent Type of Agent Assessment
February 1 1943 MAKIGUMO Destroyer 1,900 9-10S, 159-45E United States Navy line Sunk
  11   RO 102 Submarine 525 14-15S, 161-59E United States Navy Carrier-
Based Aircraft
Surface Craft
Sunk
  20   OSHIO Destroyer 1,850 00-50S, 146-06E United States Submarine Sunk
  20   UNKNOWN Frigate 750e 00-50S, 146-06E United States Submarine Sunk
        4 Vessels 5,025        
March 3 1943 ARASHIO Destroyer 1,850 7-15S, 148-30E United States
Australia
Army Aircraft
Aircraft
Sunk
  3   ASASHIO Destroyer 1,850 7-10S, 148-15E United States
Australia
Army Aircraft
Aircraft
Sunk
  3   TOKITSUKAZE Destroyer 1,900 7-15S, 148-30E United States
Australia
Army Aircraft
Aircraft
Sunk
  3   SHIRAYUKI Destroyer 1,950 7-15S, 148-30E United States
Australia
Army Aircraft
Aircraft
Sunk
  6   MINEGUMO Destroyer 1,850 8-05S, 157-15E United States Surface Craft Sunk
  6   MURASAME Destroyer 1,580 8-05S, 157-15E United States Surface Craft Sunk
        6 Vessels 10,980        
April 3 1943 SUBMARINE CHASER NO 13 Submarine Chaser 440 40-00N, 142-00E United States Submarine Sunk
  4   RO 34 Submarine 700 8-15S, 158-55E United States Surface Craft Sunk
  9   ISONAMI Destroyer 1,950 5-26S, 123-04E United States Submarine Sunk
  23   PATROL BOAT NO 39 Old Destroyer 820e 23-45N, 122-45E United States Submarine Sunk
        4 Vessels 3,910        

--5--

Date Name of Vessel Type of Vessel Standard
Tonnage
Location Flag of Agent Type of Agent Assessment
May       8 1943 KUROSHIO Destroyer 1,900 8-05S, 156-55E United States Navy Mine Sunk
  8   OYASHIO Destroyer 1,900 8-05S, 156-55E United States Navy Land-
Based Aircraft
Navy Mine
Sunk
  8   KAGERO Destroyer 1,900 8-05S, 156-55E United States Navy Land-Based Aircraft
Navy Mine
Sunk
  28   RO 107 Submarine 525 15-35S, 167-17E United States Surface Craft Sunk
        4 Vessels 6,225        
June 8 1943 MUTSU Battleship 37,500 34-05N, 132-20E Japan Marine Casualty Sunk
  10   I 9 Submarine 2,443 53-16N, 174-24E United States Surface Craft Sunk
  13   I 31 Submarine 2,212 52-08N, 177-38E United States Surface Craft Sunk
  22   I 7 Submarine 1,995 51-49N, 177-20E United States Surface Craft Sunk
        4 Vessels 44,150        
July 1 1943 RO 101 Submarine 525 8-39S, 157-35E United States Surface Craft Sunk
  6   NAGATSUKI Destroyer 1,500 7-57S, 157-12E United States Surface Craft Sunk
  6   NIIZUKI Destroyer 2,450 7-57S, 157-12E United States Surface Craft Sunk
  11   I 25 Submarine 2,212 8-00S, 157-19E United States Surface Craft Sunk
  13   JINTSU Light Cruiser 5,900 7-36S, 157-06E United States Surface Craft Sunk
  17   HATSUYUKI Destroyer 1,950 6-50S, 155-47E United States Army Aircraft
Navy Land-
Based Aircraft Marine Land-
Based Aircraft
Sunk
  20   KIYONAMI Destroyer 2,100 7-13S, 156-45E United States Army Aircraft
Navy Land-
|Based Aircraft
Marine Land-
Based Aircraft
Sunk
  20   YUGURE Destroyer 1,600 7-25S, 156-45E United States Navy Land-
Based Aircraft
Marine Land-
Based Aircraft
Sunk

--6--

Date Name of Vessel Type of Vessel Standard
Tonnage
Location Flag of Agent Type of Agent Assessment
July 22 1943 NISSHIN Seaplane Tender 9,000 6-35S, 156-10E United States Army Aircraft
Navy Land-
Based Aircraft
Marine Land-
Based Aircraft
Sunk
  27 HIRASHIMA Special Minelayer 720 32-32N, 127-41E United States Submarine Sunk
  27 I 24 Submarine 2,180 2-50S, 149-01E United States Submarine Sunk
  28 ARIAKE Destroyer 1,600 5-27S, 148-25E United States Army Aircraft Sunk
  28 MIKATSUKI Destroyer 1,500 5-27S, 148-25E United States Army Aircraft Sunk
      13 Vessels 33,237        
August 2 1943 MOTOR TORPEDO BOAT NO 112 Torpedo Boat 500e 6-40S, 146-50E United States Army Aircraft Sunk
  2 MOTOR TORPEDO BOAT NO 113 Torpedo Boat 500e 6-40S, 146-50E United States Army Aircraft Sunk
  6 ARASHI Destroyer 1,900 7-50S, 156-47E United States Surface Craft Sunk
  6 HAGIKAZE Destroyer 1,900 7-50S, 156-47E United States Surface Craft Sunk
  6 KAWAKAZE Destroyer 1,580 7-50S, 156--47E United States Surface Craft Sunk
  18 SPECIAL SUBMARINE CHASER NO. 5 Special Submarine Chaser 100e 7-26S, 156--45E United States Surface Craft Sunk
  18 SPECIAL SUBMARINE CHASER NO. 12 Special Submarine Chaser 100e 7-26S, 156-45E United States Surface Craft Sunk
  19 I 17 Submarine 2,212 23-26S, 166-50E United States

New Zealand
Navy Land-
Based Aircraft Surface Craft
Sunk
  19 SPECIAL SUBMARINE CHASER NO. 109 Special Submarine Chaser 200 3-01S, 125-50E United States Submarine Sunk
  25 I 178 Submarine 1,630 12-57S, 164-23E United States Surface Craft Sunk
      10 Vessels 10,622        
September 2 1943 MUTSURE Frigate 860 8-40N, 151-31E United States Submarine Sunk
  3 I 168 Submarine 1,785 13-10S, 165-28E United States Surface Craft Sunk
  9 I 182 Submarine 1,630 10-33N, 125-31E United States Submarine Sunk
  11 MINESWEEPER NO 16 Minesweeper 492 6-08S, 119-20E Australia Mine Sunk
  15 RO 103 Submarine 525 10-57S, 163-56E United States Navy Land-
Based Aircraft
Surface Craft
Sunk
  26 KASASAGI Torpedo Boat 595 5-50S, 121-57E United States Submarine Sunk
  30 PETEREL River Gunboat 310 21-12N, 110-24E United States Army Aircraft Sunk
      7 Vessels 6,197        
October 1 1943 I 20 Submarine 2,180 7-40S, 157-10E United States Surface Craft Sunk
  6 YUGUMO Destroyer 1,900 7-32S, 156-20E United States Surface Craft Sunk
  12 BOKO Special Minelayer 400e 4-35S, 152-11E United States Army Aircraft Sunk
  16 SPECIAL SUBMARINE CHASER NO 31 Special Submarine Chaser 100 4-00S, 152-00E United States Army Aircraft Sunk
  24 MOCHITSUKI Destroyer 1,500 5-42S, 151-40E United States Navy Land-
Based Aircraft
Sunk
      5 Vessels 6,080        

--7--

Date Name of Vessel Type of Vessel Standard
Tonnage
Location Flag of Agent Type of Agent Assessment
November 2 1943 SENDAI Light Cruiser 5,900 6-20S, 154-20E United States Surface Craft Sunk
  2   HATSUKAZE Destroyer 1,900 6-20S, 154-20E United States Surface Craft Sunk
  2   MINESWEEPER NO. 26 Minesweeper 500e 4-13S, 152-11E United States Army Aircraft Sunk
  4   TSUKUSHI Surveying Ship 2,000e 2-40S, 150-40E Australia Mine Sunk
  4   SPECIAL SUBMARINE CHASER No 30 Special Submarine Chaser 100 7-34N, 134-0E United States Submarine Sunk
  6   SUBMARINE CHASER NO 11 Submarine Chaser 270 5-26S, 154-33E United States Army Aircraft Sunk
  11   SUZUNAMI Destroyer 2,100 4-13S, 152-11E United States Navy Carrier-
Based Aircraft
Sunk
  12   I 34 Submarine 2,212 5-17N, 100-05E Great Britain Submarine Sunk
  16   UKISHIMA Special Minelayer 720 Off Japan Unknown Unknown Sunk
  18   SANAYE Old Destroyer 820 4-52N, 122-07E United States Submarine Sunk
  23   I 35 Submarine 2,212 1-22N, 172-47E United States Surface Craft Sunk
  23   WAKAMIYA Frigate 860 28-49N, 122-11E United States Submarine Sunk
  25 I 19   Submarine 2,212 3-10N, 171-55E United States Surface Craft Sunk
  25   YUGIRI Destroyer 1,950 4-48S, 153-55E United States Surface Craft Sunk
  25   MAKINAMI Destroyer 1,900 5-06S, 153-44E United States Surface Craft Sunk
  25   ONAMI Destroyer 2.100 5-06S, 153-44E United States Surface Craft Sunk
        16 Vessels 27,756        
December - 1943 RO 38 Submarine 965 Pacific Ocean Unknown Unknown Sunk
  4   CHUYO Escort Aircraft Carrier 20,000 32-37N, 143-39E United States Submarine Sunk
  16   I 179 Submarine 1,630 4-28S, 147-22E United States Navy Land-
Based Aircraft
Sunk
  19   NUMAKAZE Destroyer 1,300 26-29N, 128-26E United States Submarine Sunk
  20   FUYO Old Destroyer 820 14-44N, 119-55E United States Submarine Sunk
  23   I 39 Submarine 2,212 9-23S, 160-09E United States Surface Craft Sunk
  23   NANYO Gunboat 1,200 25-30N, 119-30E United States Army Aircraft Sunk
  25   MINESWEEPER NO 31 Minesweeper 492 2-36S, 150-49E United States Navy Carrier-
Based Aircraft
Probably sunk
        8 Vessels 28,619        
January - 1944 I 181 Submarine 1,630 Off New Guinea Unknown Unknown Sunk
  11   KUMA Light Cruiser 5,700 6-00N, 99-00E Great Britain Submarine Sunk
  14   SAZANAMI Destroyer 1,950 5-15N, 141-15E United States Submarine Sunk
  15   PING SANG Yacht 171 21-00N, 107-22E United States Army Aircraft Sunk
  22   I 48 Submarine 2,180 9-45N, 138-20E United States Surface Craft Sunk
  22   RO 37 Submarine 965 11-47S, 164-17E United States Surface Craft Sunk
  22   SPECIAL SUBMARINE CHASER NO 40 Special Submarine Chaser 100 1-50S, 147-20E United States Army Aircraft Sunk
  26   SPECIAL SUBMARINE CHASER NO 14 Special Submarine Chaser 130 11-10N, 163-25E United States Navy Land-
Based Aircraft
Sunk
  26   SUZUKAZE Destroyer 1,580 8-51N, 157-10E United States Submarine Sunk

--8--

Date Name of Vessel Type of Vessel Standard
Tonnage
Location Flag of Agent Type of Agent Assessment
January 30 1944 SPECIAL SUBMARINE CHASER NO. 28 Special Submarine Chaser 100 8-42N, 167-441 United States Navy Carrier-
Based Aircraft
Surface Craft.
Sunk
  30   SPECIAL SUBMARINE CHASER NO. 25 Special Submarine Chaser 100 8-42N, 167-44E United States Navy Carrier-
Based Aircraft
Surface Craft
Sunk
  30   SPECIAL SUBMARINE CHASER NO. 21 Special Submarine Chaser 100 8-42N, 167-44E United States Navy Carrier-
Based Aircraft
Surface Craft
Sunk
  30   SPECIAL SUBMARINE CHASER NO. 19 Special Submarine Chaser 100 8-42N, 167-44E United States Navy Carrier-
Based Aircraft
Surface Craft
Sunk
  30   SPECIAL SUBMARINE CHASER NO. 18 Special Submarine Chaser 100 8-42N, 167-44E United States Navy Carrier-
Based Aircraft
Surface Craft
Sunk
  31   I 171 Submarine 1,785 5-37S, 154-14E United States Surface Craft Sunk
  31   SPECIAL SUBMARINE CHASER NO. 33 Special Submarine Chaser 100 8-42N, 167-44E United States Navy Carrier-
Based Aircraft
Surface Craft
Sunk
  31   NASAMI Special Minelayer 443 9-50N, 147-06E United States Submarine Sunk
        17 Vessels 17,234        
February - 1944 I 40 Submarine 2,212 Marshall Islands Unknown Unknown Sunk
  1   RO 39 Submarine 965 9-24N, 170-32E United States Surface Craft Sunk
  1   UMIKAZE Destroyer 1,580 7-10N, 151-43E United States Submarine Sunk
  4   I 21 Submarine 2,212 6-48N, 168-08E United States Surface Craft Sunk
  10   MINEKAZE Destroyer 1,300 23-12N, 121-30E United States Submarine Sunk
  11   RO 110 Submarine 525 17-25N, 83-21E Australia
India
Surface Craft
Surface Craft
Sunk
  12   I 27 Submarine 2,212 1-25N, 72-22E Great Britain Surface Craft Sunk
  15   I 43 Submarine 2,212 12-42N, 49-17E United States Submarine Sunk
  16   RO 40 Submarine 965 9-50N, 166-35E United States Surface Craft Sunk
  16   SPECIAL SUBMARINE CHASER No. 10 Special Submarine Chaser 100e 2-24S, 150-06E United States Army Aircraft Sunk
  16   AGANO Light Cruiser 7,000 10-11N, 151-42E United States Submarine Sunk
  17   I 11 Submarine 2,443 10-34N, 173-31E United States Surface Craft Sunk
  17   SUBMARINE CHASER NO 24 Submarine Chaser 300 7-24N, 150-30E United States Surface Craft Sunk
  17   NAKA Light Cruiser 5,900 7-15N, 151-15E United States Navy Carrier-
Based Aircraft
Sunk
  17   FUMITSUKI Destroyer 1,500 7-24N, 151-44E United States Navy Carrier-
Based Aircraft
Sunk
  17   TACHIKAZE Destroyer 1,300 7-04N, 151-55E United States Navy Carrier-Based Aircraft Sunk

--9--

Date Type of Vessel Standard
Tonnage
Location Flag of Agent Type of Agent Assessment
February 17 1944 MAIKAZE Destroyer 1,900 7-45N, 151-20E United States Navy Carrier-
Based Aircraft
Surface Craft
Sunk
  17   OITE Destroyer 1,270 7-40N, 151-45E United States Navy Carrier-
Based Aircraft
Sunk
  17   SUBMARINE CHASER NO 29 Submarine Chaser 270 7-25N, 151-45E United States Navy Carrier-
Based Aircraft
Sunk
  17   SPECIAL SUBMARINE CHASER NO 29 Special Submarine Chaser 100e 2-24S, 150-06E United States Army Aircraft Sunk
  17   SUBMARINE CHASER NO 39 Submarine Chaser 300 2-24S, 150-06E United States Army Aircraft Sunk
  17   KATORI Training Cruiser 6,000 7-45N, 151-20E United States Navy Carrier-
Based Aircraft
Surface Craft
Sunk
  19   SPECIAL SUBMARINE CHASER NO 34 Special Submarine Chaser 100e 2-45S, 150-47E United States Army Aircraft Sunk
  19   SUBMARINE CHASER NO 22 Submarine Chaser 300 3-04S, 150-42E United States Army Aircraft Sunk
  19   SUBMARINE CHASER NO 40 Submarine Chaser 300 3-04S, 150-42E United States Army Aircraft Sank
  21   SPECIAL SUBMARINE CHASER NO 48 Special Submarine Chaser 100 2-30S, 150-15E United States Army Aircraft Sunk
  22   NATSUSHIMA Special Minelayer 443 2-40S, 149-40E United States Surface Craft Sunk
  22   NAGAURA Tug 800e 00-54S, 148-38E United States Surface Craft Sank
  22   FRANCIS GARNIER River Gunboat 639 10-30N, 108-00E United States Army Mine Sunk
  26   ASTROLABE Surveying Ship 215 16-04N, 108-13E United States Army Aircraft Sank
        30 Vessels 45,463        
March 3 1944 KARATSU River Gunboat 560 8-52N, 123-23E United States Submarine Sunk
  4   SHIRAKAMI Special Minelayer 720 39-30N, 142-00E Japan Marine Casualty Sunk
  13   TATSUTA Light Cruiser 3,300 32-58N, 138-52E United States Submarine Sunk
  16   SHIRAKUMO Destroyer 1,950 42-25N, 144-55E United States Submarine Sunk
  19   SPECIAL SUBMARINE CHASER NO 47 Special Submarine Chaser 100 2-55S, 143-40E United States Army Aircraft Sunk
  19   SPECIAL SUBMARINE CHASER NO 49 Special Submarine Chaser 100 2-55S, 143-40E United States Army Aircraft Sank
  23   I 42 Submarine 2,212 6-40N, 134-03E United States Submarine Sunk
  24   I 32 Submarine 2,212 8-30N, 170-10E United States Surface Craft Sank
  25   SUBMARINE CHASER NO 54 Submarine Chaser 300 28-34N, 142-14E United States Submarine Sunk
  30   WAKATAKE Old Destroyer 820 7-50N, 134-20E United States Navy Carrier-
Based Aircraft
Sank
  30   PATROL BOAT NO 31 Old Destroyer 750e 7-30N, 134-30E United States Navy Carrier-
Based Aircraft
Sunk
  30   SPECIAL SUBMARINE CHASER NO 22 Special Submarine Chaser 100 7-30N, 134-30E United States Navy Carrier-
Based Aircraft
Sank

--10--

Date Name of Vessel Type of Vessel Standard
Tonnage
Location Flag of Agent Type of Agent Assessment
March         30 1944 SPECIAL SUBMARINE CHASER NO 26 Special Submarine Chaser 100 7-30N, 134-30E United States Navy Carrier-Based Aircraft Sunk
  30   SPECIAL SUBMARINE CHASER NO 53 Special Submarine Chaser 170 7-30N, 134-30E United States Navy Carrier-Based Aircraft Sunk
  30   SUBMARINE CHASER NO 6 Submarine Chaser 270 7-30N, 134-30E United States Navy Carrier-Based Aircraft Sunk
  30   AKASHI Repair Ship 9,000 7-30N, 134-30E United States Navy Carrier-Based Aircraft Sunk
        16 Vessels 22,664        
April 4 1944 I 169 Submarine 1,785 7-25N, 151-50E Japan Marine Casualty Sunk
  5   SPECIAL SUBMARINE CHASER NO 46 Special Submarine Chaser 130 7-26N, 151-52E United States Navy Carrier-Based Aircraft Sunk
  6   I 2 Submarine 1,995 2-17S, 149-14E United States Surface Craft Sunk
  11   AKIGUMO Destroyer 1,900 6-43N, 122-23E United States Submarine Sunk
  13   IKAZUCHI Destroyer 1,950 10-13N, 143-51E United States Submarine Sunk
  15   MINESWEEPER NO 7 Minesweeper 630 11-34N,93-08E Great Britain Submarine Sunk
  20   RO 45 Submarine 965 15-19N, 145-31E United States Submarine Sunk
  22   HOKUAN Salvage Vessel 534 7-10N, 99-20E Great Britain Submarine Sunk
  23   AMAGIRI Destroyer 1,950 2-10S, 116-45E United States Army Mine Sunk
  26   I 180 Submarine 1,630 55-10N, 155-40W United States Surface Craft Sank
  27   KAMONE Special Minelayer 450 27-37N, 128-11E United States Submarine Sunk
  27   YUBARI Light Cruiser 3,500 5-20N, 132-16E United States Submarine Sunk
  28   I 183 Submarine 1,630 32-07N, 133-03E United States Submarine Sunk
  29   I 174 Submarine 1,785 6-13N, 151-19E United States Navy Carrier-Based Aircraft Surface Craft Sunk
  29   TAHURE River Gunboat 644 13-02N, 109-28E United States Submarine Sunk
  30   SPECIAL SUBMARINE CHASER NO 38 Special Submarine Chaser 100 7-22N, 151-45E United States Navy Carrier- Based Aircraft Sank
        16 Vessels 21,578        
May 10 1944 KARUKAYA Old Destroyer 820 15-38N, 119-25E United States Submarine Sunk
  13   RO 501 Submarine 1,200 18-08N, 33-13W United State Surface Craft Sank
  14   INAZUMA Destroyer 1,950 5-08N, 119-38E United States Submarine Sunk
  16   I 176 Submarine 1,630 4-01S,156-29E United States Surface Craft Sunk
  19   I 16 Submarine 2,180 5-10S, 158-17E United States Surface Craft Sank
  21   RO 106 Submarine 525 1-40N, 150-31E United States Surface Craft Sunk
  22   RO 104 Submarine 525 1-26N, 149-20E United States Surface Craft Sunk
  22   HASHIDATE Gunboat 1,200 2