Imperial Japanese Navy ship classifications
These are legal classifications of the naval vessels of the Imperial Japanese Navy. Therefore, those names are different from a universal classifications and class names.
- In laws and ordinances of the Imperial Japanese Navy, there is not a light aircraft carrier, escort carrier, heavy cruiser and light cruiser.
- Even if it is assumed that these translation was different Japanese language, there can be the same phrase and thing in English language, and vice versa.
- Example 1: Kōsakukan (工作艦) and Kōsakusen (工作船) = Repair ship.
- Example 2: Fusetukan (敷設艦), Fusetsusen (敷設船) and Fusetsutei (敷設艇) = Minelayer.
- If there is not it in the one and only, this clause uses the following expression to express different Japanese language.
- Kan (艦) = Vessel, example: Kōsakukan is Repair vessel.
- Sen (船) = Ship, example: Kōsakusen is Repair ship.
- Tei (艇) = Boat, example: Fusetsutei is Mine boat.
Representative classification tables
28 October 1871 (Initial)
- 28 October 1871, Rules of the Navy, and officer's salary schedules, Article 3 and 4, Ministry of War (明治4年10月28日 兵部省 海軍規則並諸官俸給表 第3條および第4條, 1871 Kaigun kisoku narabini shokan hōkyūhyō)
| Warship (軍艦, Gunkan) | Large vessel (大艦, Daikan) | 1st class warship (一等軍艦, Ittō Gunkan) | Ironclad warship: And over 450 horsepower steamship Others: And over 600 horsepower steamship, or, and over 500 crewmen |
| 2nd class warship (二等軍艦, Nitō Gunkan) | Ironclad warship: And over 150 hp steamship Others: And over 450 hp steamship, or, and over 300 crewmen | ||
| Medium vessel (中艦, Chūkan) | 3rd class warship (三等軍艦, Santō Gunkan) | Ironclad warship: Less than 150 hp steamship Others: And over 250 hp steamship, or, and over 200 crewmen | |
| 4th class warship (四等軍艦, Yontō Gunkan) | And over 150 hp steamship, or, and over 120 crewmen | ||
| Small vessel (小艦, Shōkan) | 5th class warship (五等軍艦, Gotō Gunkan) | And over 80 hp steamship, or, and over 50 crewmen | |
| 6th class warship (六等軍艦, Rokutō Gunkan) | And over 50 hp steamship, or, and over 30 crewmen | ||
| 7th class warship (七等軍艦, Nanatō Gunkan) | Less than 50 hp steamship, or, and less than 30 crewmen |
5 October 1872
- 5 October 1872, Revision of the Naval ship classes (明治5年10月4日 海軍省軍務局 艦船等級更正ノ件, 1872 Kansen tōkyū kōsei-no ken)
| Warship | Large vessel | 1st class warship | Ironclad warship: And over 170 crewmen Others: And over 455 crewmen |
| 2nd class warship | Ironclad warship: And over 65 crewmen Others: And over 315 crewmen | ||
| 3rd class warship | Ironclad warship: Less than 65 crewmen Others: And over 170 crewmen | ||
| Medium vessel | 4th class warship | And over 100 crewmen | |
| 5th class warship | And over 65 crewmen | ||
| Small vessel | 6th class warship | And over 40 crewmen | |
| 7th class warship | Less than 39 crewmen | ||
| Transport vessel (運送艦, Unsōkan) | 4th class transport vessel (四等運送艦, Yontō Unsōkan) | And over 800 tons displacement | |
| 5th class transport vessel (五等運送艦, Gotō Unsōkan) | And over 500 tons displacement | ||
| 6th class transport vessel (六等運送艦, Rokutō Unsōkan) | And over 200 tons displacement | ||
| 7th class transport vessel (七等運送艦, Nanatō Unsōkan) | And under 200 tons displacement | ||
13 August 1890
- 13 August 1890, Notice No. 291, "Naval ships ordinance, Article 2", Minister's Secretariat (明治23年8月13日 海軍大臣官房 達第291号 海軍艦船籍條例 第2條, 1890 Kaigun kansenseki jōrei)
| Naval ships (海軍艦船, Kaigun Kansen) | Category 'A' ship (第一種艦船, Daiisshu Kansen) | Warship as fighting ship (戦闘航海ノ役務ニ堪フル軍艦, Sentōkōkai-no ekimu-ni tauru gunkan) |
| Category 'B' ship (第二種艦船, Dainishu Kansen) | Torpedo boat (水雷艇, Suiraitei) | |
| Category 'C' ship (第三種艦船, Daisanshu Kansen) | Warship as noncombatant ship (戦闘航海ノ役務ニ堪ヘサル軍艦, Sentōkōkai-no ekimu-ni taezaru gunkan) | |
| Category 'D' ship (第四種艦船, Daiyonshu Kansen) | Transport ship (運送船, Unsōsen), Tugboat (曳船, Eisen) and Small sized steamer (小蒸気船, Shō jōkisen) | |
| Category 'E' ship (第五種艦船, Daigoshu Kansen) | Storage ship (倉庫船, Sōkosen), Loading ship (荷船, Nisen) and Miscellaneous ship (雑船, Zatsusen) | |
1 April 1896
- 1896 Imperial edict No. 71, "Naval ships ordinance, Article 3" (明治29年 勅令第71号 海軍艦船條例 第3條, 1896 Chokurei Dai-71-gō, Kaigun kansen jōrei)
| Naval ships | Category 'A' warship (第一種軍艦, Daiisshu Gunkan) | Warship as fighting ship |
| Category 'B' warship (第二種軍艦, Dainishu Gunkan) | Warship as noncombatant ship | |
| Torpedo boat | 1st class torpedo boat (一等水雷艇, Ittō Suiraitei) | |
| 2nd class torpedo boat (二等水雷艇, Nitō Suiraitei) | ||
| 3rd class torpedo boat (三等水雷艇, Santō Suiraitei) | ||
| Miscellaneous ships (雑役船舟, Zatsuekisenshū) | ||
21 March 1898
- Standard classifications of the naval warships and torpedo boats (海軍軍艦及水雷艇類別標準, Kaigun gunkan oyobi suiraitei ruibetsu-hyōjun)
| Warships | Battleship (戦艦, Senkan) | 1st class battleship (一等戦艦, Ittō Senkan) |
| 2nd class battleship (二等戦艦, Nitō Senkan) | ||
| Cruiser (巡洋艦, Jun'yōkan) | 1st class cruiser (一等巡洋艦, Ittō Jun'yōkan) | |
| 2nd class cruiser (二等巡洋艦, Nitō Jun'yōkan) | ||
| 3rd class cruiser (三等巡洋艦, Santō Jun'yōkan) | ||
| Coast defence ship (海防艦, Kaibōkan) | 1st class coast defence ship (一等海防艦, Ittō Kaibōkan) | |
| 2nd class coast defence ship (二等海防艦, Nitō Kaibōkan) | ||
| 3rd class coast defence ship (三等海防艦, Santō Kaibōkan) | ||
| Gunboat (砲艦, Hōkan) | 1st class gunboat (一等砲艦, Ittō Hōkan) | |
| 2nd class gunboat (二等砲艦, Nitō Hōkan) | ||
| Dispatch vessel (通報艦, Tsūhōkan) | ||
| Torpedo boat tender (水雷母艦, Suiraibokan) | ||
| Torpedo boat | Torpedo boat destroyer (水雷艇駆逐艇, Suiraiteikuchikutei) | |
| 1st class torpedo boat | ||
| 2nd class torpedo boat | ||
| 3rd class torpedo boat | ||
| 4th class torpedo boat (四等水雷艇, Yontō Suiraitei) | ||
22 June 1900
- Standard classifications of the naval vessels (海軍艦艇類別標準, Kaigun kantei ruibetsu-hyōjun)
| Naval vessels (艦艇, Kantei) | Warships | Battleship | 1st class battleship |
| 2nd class battleship | |||
| Cruiser | 1st class cruiser | ||
| 2nd class cruiser | |||
| 3rd class cruiser | |||
| Coast defence ship | 1st class coast defence ship | ||
| 2nd class coast defence ship | |||
| 3rd class coast defence ship | |||
| Gunboat | 1st class gunboat | ||
| 2nd class gunboat | |||
| Dispatch vessel | |||
| Torpedo boat tender | |||
| Destroyer (駆逐艦, Kuchikukan) | |||
| Torpedo boat | 1st class torpedo boat | ||
| 2nd class torpedo boat | |||
| 3rd class torpedo boat | |||
| 4th class torpedo boat | |||
28 August 1912
- Standard classifications of the naval vessels
| Naval vessels | Warships | Battleship | |
| Battlecruiser (巡洋戦艦, Jun'yōsenkan) | |||
| Cruiser | 1st class cruiser | ||
| 2nd class cruiser | |||
| Coast defence ship | 1st class coast defence ship | ||
| 2nd class coast defence ship | |||
| Gunboat | 1st class gunboat | ||
| 2nd class gunboat | |||
| Destroyer | |||
| Torpedo boat | 1st class torpedo boat | ||
| 2nd class torpedo boat | |||
| Submersible (潜水艇, Sensuitei) | |||
| Repair ship (工作船, Kōsakusen) | |||
| Transport ship | |||
| Hospital ship (病院船, Byōinsen) | |||
17 May 1916
- Standard classifications of the naval vessels
| Naval vessels | Warships | Battleship | |
| Battlecruiser | |||
| Cruiser | 1st class cruiser | ||
| 2nd class cruiser | |||
| Coast defence ship | 1st class coast defence ship | ||
| 2nd class coast defence ship | |||
| Gunboat | 1st class gunboat | ||
| 2nd class gunboat | |||
| Destroyer | 1st class destroyer (一等駆逐艦, Ittō Kuchikukan) | ||
| 2nd class destroyer (二等駆逐艦, Nitō Kuchikukan) | |||
| 3rd class destroyer (三等駆逐艦, Santō Kuchikukan) | |||
| Torpedo boat | 1st class torpedo boat | ||
| 2nd class torpedo boat | |||
| Submersible | |||
| Auxiliary ships (特務船, Tokumusen) | Repair ship | ||
| Transport ship | |||
| Minelaying ship (敷設船, Fusetsusen) | |||
1 April 1920
- Standard classifications of the naval vessels
| Naval vessels | Warships | Battleship | |
| Battlecruiser | |||
| Cruiser | 1st class cruiser | ||
| 2nd class cruiser | |||
| Aircraft carrier (航空母艦, Kōkūbokan) | |||
| Torpedo boat tender | |||
| Minelayer (敷設艦, Fusetsukan) | |||
| Coast defence ship | 1st class coast defence ship | ||
| 2nd class coast defence ship | |||
| Gunboat | 1st class gunboat | ||
| 2nd class gunboat | |||
| Destroyer | 1st class destroyer | ||
| 2nd class destroyer | |||
| 3rd class destroyer | |||
| Torpedo boat | 1st class torpedo boat | ||
| 2nd class torpedo boat | |||
| Submarine (潜水艦, Sensuikan) | 1st class submarine (一等潜水艦, Ittō Sensuikan) | ||
| 2nd class submarine (二等潜水艦, Nitō Sensuikan) | |||
| 3rd class submarine (三等潜水艦, Santō Sensuikan) | |||
- Standard classifications of the naval auxiliary vessels (海軍特務艦艇類別標準, Kaigun tokumu-kantei ruibetsu-hyōjun)
| Auxiliary vessels (特務艦艇, Tokumu-kantei) | Auxiliary vessel (特務艦, Tokumukan) | Repair vessel (工作艦, Kōsakukan) | |
| Transport vessel | |||
| Auxiliary boat (特務艇, Tokumutei) | Minesweeper (掃海艇, Sōkaitei) | 1st class minesweeper (一等掃海艇, Ittō Sōkaitei) | |
| 2nd class minesweeper (二等掃海艇, Nitō Sōkaitei) | |||
| Submarine depot boat (潜水艦母艇, Sensuikanbotei) | |||
1 December 1924
- Standard classifications of the naval vessels
| Naval vessels | Warships | Battleship | |
| Battlecruiser | |||
| Cruiser | 1st class cruiser | ||
| 2nd class cruiser | |||
| Aircraft carrier | |||
| Submarine tender (潜水母艦, Sensuibokan) | |||
| Minelayer | |||
| Coast defence ship | 1st class coast defence ship | ||
| 2nd class coast defence ship | |||
| Gunboat | 1st class gunboat | ||
| 2nd class gunboat | |||
| Destroyer | 1st class destroyer | ||
| 2nd class destroyer | |||
| 3rd class destroyer | |||
| Submarine | 1st class submarine | ||
| 2nd class submarine | |||
| 3rd class submarine | |||
| Minesweeper | |||
- Standard classifications of the naval auxiliary vessels
| Auxiliary vessels | Auxiliary vessel | Repair vessel | |
| Transport vessel | |||
| Icebreaker (砕氷艦, Saihyōkan) | |||
| Survey ship (測量艦, Sokuryōkan) | |||
| Target ship (標的艦, Hyōtekikan) | |||
| Auxiliary training ship (練習特務艦, Renshūtokumukan) | |||
| Auxiliary boat | Mine boat (敷設艇, Fusetsutei) | 1st class mine boat (一等敷設艇, Ittō Fusetsutei) | |
| 2nd class mine boat (二等敷設艇, Nitō Fusetsutei) | |||
| 3rd class mine boat (三等敷設艇, Santō Fusetsutei) | |||
| Auxiliary minesweeper (掃海特務艇, Sōkaitokumutei) | 1st class auxiliary minesweeper (一等掃海特務艇, Ittō Sōkaitokumutei) | ||
| 2nd class auxiliary minesweeper (二等掃海特務艇, Nitō Sōkaitokumutei) | |||
| Submarine depot boat | |||
2 March 1927
- Standard classifications of the naval vessels
| Naval vessels | Warships | Battleship | |
| Battlecruiser | |||
| Cruiser | 1st class cruiser | ||
| 2nd class cruiser | |||
| Aircraft carrier | |||
| Submarine tender | |||
| Minelayer | |||
| Rapid extension netlayer (急設網艦, Kyūsetsumōkan) | |||
| Coast defence ship | 1st class coast defence ship | ||
| 2nd class coast defence ship | |||
| Gunboat | 1st class gunboat | ||
| 2nd class gunboat | |||
| Destroyer | 1st class destroyer | ||
| 2nd class destroyer | |||
| 3rd class destroyer | |||
| Submarine | 1st class submarine | ||
| 2nd class submarine | |||
| 3rd class submarine | |||
| Minesweeper | |||
- Standard classifications of the naval auxiliary vessels
| Auxiliary vessels | Auxiliary vessel | Repair vessel | |
| Transport vessel | |||
| Icebreaker | |||
| Survey ship | |||
| Target ship | |||
| Auxiliary training ship | |||
| Auxiliary boat | Mine boat | 1st class mine boat | |
| 2nd class mine boat | |||
| 3rd class mine boat | |||
| Capture-net layer (捕獲網艇, Hokakumōtei) | |||
| Auxiliary minesweeper | 1st class auxiliary minesweeper | ||
| 2nd class auxiliary minesweeper | |||
| Submarine depot boat | |||
30 May 1931
- Standard classifications of the naval vessels
| Naval vessels | Warships | Battleship | |
| Cruiser | 1st class cruiser | ||
| 2nd class cruiser | |||
| Aircraft carrier | |||
| Submarine tender | |||
| Minelayer | |||
| Coast defence ship | |||
| Gunboat | |||
| Training battleship (練習戦艦, Renshū senkan) | |||
| Training cruiser (練習巡洋艦, Renshū jun'yōkan) | |||
| Destroyer | 1st class destroyer | ||
| 2nd class destroyer | |||
| Submarine | 1st class submarine | ||
| 2nd class submarine | |||
| Torpedo boat | |||
| Minesweeper | |||
- Standard classifications of the naval auxiliary vessels
| Auxiliary vessels | Auxiliary vessel | Repair vessel |
| Transport vessel | ||
| Icebreaker | ||
| Survey ship | ||
| Target ship | ||
| Auxiliary training ship | ||
| Auxiliary boat | Mine boat | |
| Auxiliary minesweeper | ||
| Submarine depot boat | ||
26 June 1941
- Standard classifications of the naval vessels
| Naval vessels | Warships | Battleship | |
| Cruiser | 1st class cruiser | ||
| 2nd class cruiser | |||
| Aircraft carrier | |||
| Seaplane tender (水上機母艦, Suijōkibokan) | |||
| Submarine tender | |||
| Minelayer | |||
| Coast defence ship | |||
| Gunboat | |||
| Training battleship | |||
| Training cruiser | |||
| Destroyer | 1st class destroyer | ||
| 2nd class destroyer | |||
| Submarine | 1st class submarine | ||
| 2nd class submarine | |||
| Torpedo boat | |||
| Minesweeper | |||
| Submarine chaser (駆潜艇, Kusentei) | |||
- Standard classifications of the naval auxiliary vessels
| Auxiliary vessels | Auxiliary vessel | Repair vessel |
| Transport vessel | ||
| Icebreaker | ||
| Survey ship | ||
| Target ship | ||
| Auxiliary training ship | ||
| Auxiliary boat | Mine boat | |
| Auxiliary submarine chaser (駆潜特務艇, Kusentokumutei) | ||
| Auxiliary minesweeper | ||
| Patrol boat (哨戒艇, Shōkaitei) | ||
| Cable layer (電纜敷設艇, Denranfusetsutei) | ||
| Motor torpedo boat (魚雷艇, Gyoraitei) | ||
| Submarine depot boat | ||
30 June 1945 (Final)
- Standard classifications of the naval vessels
| Naval vessels | Warships | Battleship | |
| Cruiser | 1st class cruiser | ||
| 2nd class cruiser | |||
| Aircraft carrier | |||
| Seaplane tender | |||
| Submarine tender | |||
| Minelayer | |||
| Training battleship | |||
| Training cruiser | |||
| Destroyer | 1st class destroyer | ||
| 2nd class destroyer | |||
| Submarine | 1st class submarine | ||
| 2nd class submarine | |||
| Coast defence ship | |||
| Gunboat | |||
| Torpedo boat | |||
| Minesweeper | |||
| Submarine chaser | |||
| Patrol boat | |||
| Landing ship (輸送艦, Yusōkan) | 1st class landing ship (一等輸送艦, Ittō Yusōkan) | ||
| 2nd class landing ship (二等輸送艦, Nitō Yusōkan) | |||
| Mine boat | |||
- Standard classifications of the naval auxiliary vessels
| Auxiliary vessels | Auxiliary vessel | Repair vessel |
| Transport vessel | ||
| Icebreaker | ||
| Survey ship | ||
| Target ship | ||
| Auxiliary training ship | ||
| Auxiliary boat | Auxiliary mine boat (敷設特務艇, Fusetsutokumutei) | |
| Auxiliary submarine chaser | ||
| Auxiliary patrol boat (哨戒特務艇, Shōkaitokumutei) | ||
| Auxiliary minesweeper | ||
| Cable layer | ||
| Motor torpedo boat | ||
| Coast defence boat (海防艇, Kaibōtei) | ||
Detailed classification tables
Battleship
1st class battleship Yashima
Battleship Yamato
| Date | Top classification | Higher classification | Classification | Lower classification | Note, classification boundary |
|---|---|---|---|---|---|
| 21 March 1898 | Warships | Battleship | 1st class battleship | And over 10,000 tons designated displacement | |
| 2nd class battleship | Less than 10,000 tons designated displacement | ||||
| 22 June 1900 | Naval Vessels | Warships | Battleship | 1st class battleship | Same as on 21 March 1898 |
| 2nd class battleship | |||||
| 12 December 1905 | Naval vessels | Warships | Battleship | 'Class' was abolished | |
Battlecruiser
Battlecruiser Ibuki
| Date | Top classification | Higher classification | Classification | Lower classification | Note, classification boundary |
|---|---|---|---|---|---|
| 28 August 1912 | Naval Vessels | Warships | Battlecruiser | ||
| 30 May 1931 | Abolished and unified to battleship | ||||
Cruiser
1st class cruiser Nachi
3rd class cruiser Suma
| Date | Top classification | Higher classification | Classification | Lower classification | Note, classification boundary |
|---|---|---|---|---|---|
| 21 March 1898 | Warships | Cruiser | 1st class cruiser | And over 7,000 tons designated displacement | |
| 2nd class cruiser | And over 3,500 tons designated displacement, less than 7,000 tons designated displacement | ||||
| 3rd class cruiser | Less than 3,500 tons designated displacement | ||||
| 22 June 1900 | Naval Vessels | Warships | Cruiser | 1st class cruiser | Same as on 21 March 1898 |
| 2nd class cruiser | |||||
| 3rd class cruiser | |||||
| 28 August 1912 | Naval vessels | Warships | Cruiser | 1st class cruiser | And over 7,000 tons designated displacement |
| 2nd class cruiser | Less than 7,000 tons designated displacement, '3rd class' was abolished. | ||||
| 31 May 1934 | Naval vessels | Warships | Cruiser | 1st class cruiser | Equipped over 155 mm (6.1 in) gun |
| 2nd class cruiser | Equipped and under 155 mm (6.1 in) gun | ||||
Aircraft carrier
Aircraft carrier Akagi
| Date | Top classification | Higher classification | Classification | Lower classification | Note, classification boundary |
|---|---|---|---|---|---|
| 1 April 1920 | Naval Vessels | Warships | Aircraft carrier | ||
Seaplane tender
Seaplane tender Chitose
| Date | Top classification | Higher classification | Classification | Lower classification | Note, classification boundary |
|---|---|---|---|---|---|
| 31 May 1934 | Naval Vessels | Warships | Seaplane tender | Independent from aircraft carrier | |
Dispatch vessel
Dispatch vessel Miyako
| Date | Top classification | Higher classification | Classification | Lower classification | Note, classification boundary |
|---|---|---|---|---|---|
| 21 March 1898 | Warships | Dispatch vessel | Torpedo gunboat was classified to dispatch boat | ||
| 22 June 1900 | Naval vessels | Warships | Dispatch vessel | ||
| 28 August 1912 | Abolished and unified to gunboat | ||||
Torpedo boat tender/Submarine tender
Torpedo boat tender Toyohashi
Submarine tender Tsurugizaki
| Date | Top classification | Higher classification | Classification | Lower classification | Note, classification boundary |
|---|---|---|---|---|---|
| 21 March 1898 | Warships | Torpedo boat tender | |||
| 22 June 1900 | Naval vessels | Warships | Torpedo boat tender | ||
| 28 August 1912 | Abolished and unified to coast defence ship | ||||
| 1 April 1920 | Naval vessels | Warships | Torpedo boat tender | Revived | |
| 1 December 1924 | Naval vessels | Warships | Submarine tender | Renamed | |
Minelaying ship/Minelayer/Rapid extension netlayer
Minelayer Tsugaru
- Note; pertinence of rapid extension netlayer was only Shirataka.
| Date | Top classification | Higher classification | Classification | Lower classification | Note, classification boundary |
|---|---|---|---|---|---|
| 17 May 1916 | Auxiliary ships | Minelaying ship | |||
| 1 April 1920 | Naval vessels | Warships | Minelayer | Renamed | |
| 2 March 1927 | Naval vessels | Warships | Minelayer | ||
| Rapid extension netlayer | |||||
| 22 March 1929 | Naval vessels | Warships | Minelayer | Rapid extension netlayer was abolished, and unified to minelayer | |
Training battleship
Training battleship Hiei
- Note; pertinence of training battleship was only Hiei. She does not return to battleship in the Imperial Japanese Navy's official documents.
| Date | Top classification | Higher classification | Classification | Lower classification | Note, classification boundary |
|---|---|---|---|---|---|
| 30 May 1931 | Naval vessels | Warships | Training battleship | ||
Training cruiser
Training cruiser Katori
- Note; pertinence of training cruiser was only Katori class.
| Date | Top classification | Higher classification | Classification | Lower classification | Note, classification boundary |
|---|---|---|---|---|---|
| 30 May 1931 | Naval vessels | Warships | Training cruiser | ||
Coast defence ship
2nd class coast defence ship Itsukushima
Coast defence ship Shisaka
| Date | Top classification | Higher classification | Classification | Lower classification | Note, classification boundary |
|---|---|---|---|---|---|
| 21 March 1898 | Warships | Coast defence ship | 1st class coast defence ship | And over 7,000 tons designated displacement | |
| 2nd class coast defence ship | And over 3,500 tons designated displacement, less than 7,000 tons designated displacement | ||||
| 3rd class coast defence ship | Less than 3,500 tons displacement | ||||
| 22 June 1900 | Naval vessels | Warships | Coast defence ship | 1st class coast defence ship | Same as on 21 March 1898 |
| 2nd class coast defence ship | |||||
| 3rd class coast defence ship | |||||
| 28 August 1912 | Naval vessels | Warships | Coast defence ship | 1st class coast defence ship | And over 7,000 tons designated displacement |
| 2nd class coast defence ship | Less than 7,000 tons designated displacement | ||||
| 30 May 1931 | Naval vessels | Warships | Coast defence ship | 'Class' was abolished | |
| 1 July 1942 | Naval vessels | Coast defence ship (as Escort ship) | Armored cruisers were moved to 1st class cruiser or auxiliary training ship | ||
Gunboat
1st class gunboat Saga
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Gunboat Sumida
| Date | Top classification | Higher classification | Classification | Lower classification | Note, classification boundary |
|---|---|---|---|---|---|
| 21 March 1898 | Warships | Gunboat | 1st class gunboat | And over 1,000 tons designated displacement | |
| 2nd class gunboat | Less than 1,000 tons designated displacement | ||||
| 22 June 1900 | Naval vessels | Warships | Gunboat | 1st class gunboat | Same as on 21 March 1898 |
| 2nd class gunboat | |||||
| 28 August 1912 | Naval vessels | Warships | Gunboat | 1st class gunboat | And over 800 tons displacement |
| 2nd class gunboat | Less than 800 tons displacement | ||||
| 30 May 1931 | Naval vessels | Warships | Gunboat | 'Class' was abolished | |
| 1 October 1944 | Naval vessels | Gunboat | |||
Torpedo boat destroyer/Destroyer
1st class destroyer Shimakaze
3rd class destroyer Kagerō
| Date | Top classification | Higher classification | Classification | Lower classification | Note, classification boundary |
|---|---|---|---|---|---|
| 21 March 1898 | Torpedo boat | Torpedo boat destroyer | |||
| 22 June 1900 | Naval vessels | Warships | Destroyer | Independent from torpedo boat and renamed | |
| 12 December 1905 | Naval vessels | Destroyer | |||
| 28 August 1912 | Naval vessels | Destroyer | 1st class destroyer | And over 1,000 tons designated displacement | |
| 2nd class destroyer | And over 600 tons designated displacement, less than 1,000 tons designated displacement | ||||
| 3rd class destroyer | Less than 600 tons designated displacement | ||||
| 30 May 1931 | Naval vessels | Destroyer | 1st class destroyer | And over 1,000 tons designated displacement | |
| 2nd class destroyer | Less than 1,000 tons designated displacement, '3rd class' was abolished | ||||
| 31 May 1934 | Naval vessels | Destroyer | 1st class destroyer | And over 1,000 tons standard displacement | |
| 2nd class destroyer | Less than 1,000 tons standard displacement | ||||
Submersible/Submarine
1st class submarine I-400
- Note; Kō-hyōteki, Kairyū and Kaiten were not included in this table, because they were weapons in the Imperial Japanese Navy's official documents.[1]
| Date | Top classification | Higher classification | Classification | Lower classification | Note, classification boundary |
|---|---|---|---|---|---|
| 23 January 1905 | Torpedo boat | Submersible | |||
| 12 December 1905 | Naval vessels | Submersible | Independent from torpedo boat | ||
| 28 August 1912 | Naval vessels | Submersible | 1st class submersible | And over 600 tons surfaced displacement | |
| 2nd class submersible | Less than 600 tons surfaced displacement | ||||
| 4 April 1919 | Naval vessels | Submarine | 1st class submarine | Renamed; and over 1,000 tons surfaced displacement | |
| 2nd class submarine | Renamed, and over 600 tons surfaced displacement, less than 1,000 tons surfaced displacement | ||||
| 3rd class submarine | Less than 600 tons surfaced displacement | ||||
| 30 May 1931 | Naval vessels | Submarine | 1st class submarine | And over 1,000 tons surfaced displacement | |
| 2nd class submarine | Less than 1,000 tons surfaced displacement, '3rd class' was abolished | ||||
Torpedo boat
1st class torpedo boat Hayabusa
2nd class torpedo boat No. 21
3rd class torpedo boat No. 14
Torpedo boat Kiji
| Date | Top classification | Higher classification | Classification | Lower classification | Note, classification boundary |
|---|---|---|---|---|---|
| 13 August 1890 | Naval ships | Category 'B' warship | Torpedo boat | ||
| 19 October 1893 | Naval ships | Category 'B' warship | Torpedo boat | 1st class torpedo boat | And over 70 tons displacement |
| 2nd class torpedo boat | And over 20 tons designated displacement, less than 70 tons designated displacement | ||||
| 3rd class torpedo boat | Less than 20 tons designated displacement (vedette boat) | ||||
| 28 March 1896 | Naval ships | Torpedo boat | 1st class torpedo boat | Same as on 19 October 1893 | |
| 2nd class torpedo boat | |||||
| 3rd class torpedo boat | |||||
| 21 March 1898 | Torpedo boat | Torpedo boat destroyer | |||
| 1st class torpedo boat | And over 120 tons designated displacement | ||||
| 2nd class torpedo boat | And over 70 tons designated displacement, less than 120 tons designated displacement | ||||
| 3rd class torpedo boat | And over 20 tons designated displacement, less than 70 tons designated displacement | ||||
| 4th class torpedo boat | Less than 20 tons designated displacement (vedette boat) | ||||
| 22 June 1900 | Naval vessels | Torpedo boat | 1st class torpedo boat | Same as on 21 March 1898; Torpedo boat destroyer was independent from torpedo boat, and renamed destroyer. | |
| 2nd class torpedo boat | |||||
| 3rd class torpedo boat | |||||
| 4th class torpedo boat | |||||
| 23 January 1905 | Naval vessels | Torpedo boat | 1st class torpedo boat | Same as on 21 March 1898 | |
| 2nd class torpedo boat | |||||
| 3rd class torpedo boat | |||||
| 4th class torpedo boat | |||||
| Submersible | IJN called Special-Torpedo boat (特号水雷艇, Tokugō-Suiraitei) for counterintelligence | ||||
| 12 December 1905 | Naval vessels | Torpedo boat | 1st class torpedo boat | Same as on 21 March 1898 Submersible was independent from torpedo boat. | |
| 2nd class torpedo boat | |||||
| 3rd class torpedo boat | |||||
| 4th class torpedo boat | |||||
| 28 August 1912 | Naval vessels | Torpedo boat | 1st class torpedo boat | And over 120 tons designated displacement | |
| 2nd class torpedo boat | Less than 120 tons designated displacement | ||||
| 15 January 1924 | Abolished | ||||
| 30 May 1931 | Naval vessels | Torpedo boat | Revived by the London Naval Treaty | ||
Mine boat/Capture-net layer
2nd class mine boat Tsubame
Mine boat Kamishima
- Note; pertinence of capture net layer was only Tsubame class.
| Date | Top classification | Higher classification | Classification | Lower classification | Note, classification boundary |
|---|---|---|---|---|---|
| 1 July 1920 | Auxiliary vessels | Auxiliary boat | Mine boat | 1st class mine boat | And over 800 tons displacement |
| 2nd class mine boat | And over 400 tons designated displacement, less than 800 tons designated displacement | ||||
| 3rd class mine boat | Less than 400 tons designated displacement | ||||
| 2 March 1927 | Auxiliary vessels | Auxiliary boat | Mine boat | 1st class mine boat | Same as on 1 July 1920 |
| 2nd class mine boat | |||||
| 3rd class mine boat | |||||
| Capture-net layer | |||||
| 22 March 1929 | Auxiliary vessels | Auxiliary boat | Mine boat | 1st class mine boat | Same as on 1 July 1920; capture-net layer was abolished and unified to mine boat |
| 2nd class mine boat | |||||
| 3rd class mine boat | |||||
| 30 May 1931 | Auxiliary vessels | Auxiliary boat | Mine boat | 'Class' was abolished | |
| 1 February 1944 | Naval vessels | Mine boat | |||
Auxiliary minelayer
Auxiliary minelayer No. 1
| Date | Top classification | Higher classification | Classification | Lower classification | Note, classification boundary |
|---|---|---|---|---|---|
| 1 February 1944 | Auxiliary vessels | Auxiliary boat | Auxiliary minelayer | Divided from mine boat | |
Cable layer
Cable layer Hashima
- Note; pertinence of cable layer was only Hashima class.
| Date | Top classification | Higher classification | Classification | Lower classification | Note, classification boundary |
|---|---|---|---|---|---|
| 25 October 1940 | Auxiliary vessels | Auxiliary boat | Cable layer | Independent from miscellaneous ship | |
Minesweeper
Minesweeper No. 4
| Date | Top classification | Higher classification | Classification | Lower classification | Note, classification boundary |
|---|---|---|---|---|---|
| 1 April 1920 | Auxiliary vessels | Auxiliary boat | Minesweeper | 1st class minesweeper | And over 500 tons designated displacement |
| 2nd class minesweeper | Less than 500 tons designated displacement | ||||
| 30 June 1923 | Naval vessels | Minesweeper | 'Class' was abolished | ||
Auxiliary minesweeper
Auxiliary minesweeper No. 1
| Date | Top classification | Higher classification | Classification | Lower classification | Note, classification boundary |
|---|---|---|---|---|---|
| 30 June 1923 | Auxiliary vessels | Auxiliary boat | Auxiliary minesweeper | 1st class auxiliary minesweeper | And over 500 tons designated displacement |
| 2nd class auxiliary minesweeper | Less than 500 tons designated displacement | ||||
| 30 May 1931 | Auxiliary vessels | Auxiliary boat | Auxiliary minesweeper | 'Class' was abolished | |
Submarine chaser
Submarine chaser No. 8
| Date | Top classification | Higher classification | Classification | Lower classification | Note, classification boundary |
|---|---|---|---|---|---|
| 23 May 1933 | Auxiliary vessels | Auxiliary boat | Submarine chaser | ||
| 1 April 1940 | Naval vessels | Submarine chaser | |||
Auxiliary submarine chaser
Auxiliary submarine chaser No. 1 class
| Date | Top classification | Higher classification | Classification | Lower classification | Note, classification boundary |
|---|---|---|---|---|---|
| 1 April 1940 | Auxiliary vessels | Auxiliary boat | Auxiliary submarine chaser | Divided from submarine chaser | |
Patrol boat
Patrol boat No. 35
| Date | Top classification | Higher classification | Classification | Lower classification | Note, classification boundary |
|---|---|---|---|---|---|
| 30 March 1940 | Auxiliary vessels | Auxiliary boat | Patrol boat | ||
| 15 February 1943 | Naval vessels | Patrol boat | |||
Auxiliary patrol boat
Auxiliary patrol boat No. 173
| Date | Top classification | Higher classification | Classification | Lower classification | Note, classification boundary |
|---|---|---|---|---|---|
| 15 February 1943 | Auxiliary vessels | Auxiliary boat | Auxiliary patrol boat | Divided from patrol boat | |
Landing ship
2nd class landing ship No. 151
- Note 1; pertinence of 1st class landing ship was only No.1 class.
- Note 2; pertinence of 2nd class lamding ship was only No.101 class.
| Date | Top classification | Higher classification | Classification | Lower classification | Note, classification boundary |
|---|---|---|---|---|---|
| 5 February 1944 | Naval vessels | Landing ship | 1st class landing ship | And over 1,000 tons displacement | |
| 2nd class landing ship | Less than 1,000 tons designated displacement | ||||
Motor torpedo boat
Motor torpedo boat No. 2
| Date | Top classification | Higher classification | Classification | Lower classification | Note, classification boundary |
|---|---|---|---|---|---|
| 30 June 1941 | Auxiliary vessels | Auxiliary boat | Motor torpedo boat | Independent from miscellaneous ship | |
Coast defence boat
- Note; there is not a ship classed on this table. All No.1-class and No.101-class vessels were incomplete.
| Date | Top classification | Higher classification | Classification | Lower classification | Note, classification boundary |
|---|---|---|---|---|---|
| 30 June 1945 | Auxiliary vessels | Auxiliary boat | Coast defence boat | ||
Repair ship/Repair vessel
| Date | Top classification | Higher classification | Classification | Lower classification | Note, classification boundary |
|---|---|---|---|---|---|
| 12 December 1905 | Repair ship | ||||
| 17 May 1916 | Auxiliary ships | Repair ship | |||
| 1 April 1920 | Auxiliary vessels | Auxiliary vessel | Repair vessel | Renamed, small sized repair ships were moved to miscellaneous ship | |
Transport vessel/Transport ship
Transport vessel (Oiler) Hayatomo
- Note; Included replenishment oiler (給油船/給油艦, Kyūyusen/Kyūyukan), collier (給炭船/給炭艦, Kyūtansen/Kyūtankan), collier-oiler (給炭油艦, Kyūtan'yukan), munition ship (給兵艦, Kyūheikan), food supply ship (給糧艦, Kyūryōkan) and freighter (雑用艦, Zatsuyōkan).
| Date | Top classification | Higher classification | Classification | Lower classification | Note, classification boundary |
|---|---|---|---|---|---|
| 5 October 1872 | Transport vessel | 4th class transport vessel | And over 800 tons displacement | ||
| 5th class transport vessel | And over 500 tons displacement | ||||
| 6th class transport vessel | And over 200 tons displacement | ||||
| 7th class transport vessel | And under 200 tons displacement | ||||
| 13 August 1890 | Vessels | Category 'D' warship | Transport ship | ||
| 1 April 1896 | Vessels | Miscellaneous ships | Transport ship | ||
| 12 December 1905 | Transport ship | Independent from miscellaneous ships | |||
| 17 May 1916 | Auxiliary ships | Transport ship | |||
| 1 April 1920 | Auxiliary vessels | Auxiliary vessel | Transport vessel | ||
Hospital ship
- Note; there is not a ship classed on this table.
| Date | Top classification | Higher classification | Classification | Lower classification | Note, classification boundary |
|---|---|---|---|---|---|
| 12 December 1905 | Hospital ship | ||||
| 17 May 1916 | Abolished | ||||
Icebreaker
Icebreaker Ōtomari
- Note; pertinence of icebreaker was only Ōtomari.
| Date | Top classification | Higher classification | Classification | Lower classification | Note, classification boundary |
|---|---|---|---|---|---|
| 3 August 1921 | Auxiliary vessels | Auxiliary vessel | Icebreaker | ||
Survey ship
Survey ship Tsukushi
| Date | Top classification | Higher classification | Classification | Lower classification | Note, classification boundary |
|---|---|---|---|---|---|
| 31 March 1922 | Auxiliary vessels | Auxiliary vessel | Survey ship | ||
Target ship
- This section treats a self-propelled target ship. Towed target ship is miscellaneous ship.
Target ship Settsu
| Date | Top classification | Higher classification | Classification | Lower classification | Note, classification boundary |
|---|---|---|---|---|---|
| 29 September 1923 | Auxiliary vessels | Auxiliary vessel | Target ship | ||
Auxiliary training ship
Auxiliary training ship Shikishima
| Date | Top classification | Higher classification | Classification | Lower classification | Note, classification boundary |
|---|---|---|---|---|---|
| 30 November 1922 | Auxiliary vessels | Auxiliary vessel | Auxiliary training ship | ||
Submarine depot boat
| Date | Top classification | Higher classification | Classification | Lower classification | Note, classification boundary |
|---|---|---|---|---|---|
| 1 July 1920 | Auxiliary vessels | Auxiliary boat | Submarine depot boat | Moved from miscellaneous ship | |
| between 1 July 1942–30 September 1944 | Abolished[2] | ||||
Appendix
17 September 1903 (Initial)
- 17 September 1903, Notice No. 90, Quorum and kinds of miscellaneous ship in naval units, Minister's Secretariat, Ministry of the Navy (明治36年9月17日 海軍大臣官房 達第90号 海軍各廳附属雑役船ノ種類及定数, 1903 Tatsu Dai-90-Gō, Kaigun kakuchō fuzoku zatsuekisen-no shurui oyobi teisū)
| Steamship (汽船, Kisen) | And over 250 tons displacement, and less 400 tons displacement | |
| 150 tons displacement | ||
| 80 tons displacement | ||
| 60 tons displacement | ||
| 35 tons displacement | ||
| 16 tons displacement | ||
| 12.5 tons displacement | ||
| And less 10 tons displacement | ||
| Boat (端舟, Hashibune) | 38 feet launch | |
| 32 feet pinnace | ||
| 30 feet cutter | ||
| 28 feet cutter | ||
| 26 feet cutter | ||
| 23 feet cutter | ||
| 30 feet gig | ||
| 27 feet gig | ||
| 25 feet gig | ||
| Yard auxiliary ship (雑船, Zatsusen) | Rigged torpedo boat (帆装水雷船, Hansō suiraisen) | |
| Dredger (泥浚船, Deishunsen) | ||
| Mechanical dredger (泥浚器船, Deishunkisen); dipper dredger, bucket dredger, grab dredger and pump dredger | ||
| Drilling ship (岩砕船, Gansaisen) | ||
| Water supply ship (水船, Suisen) | Steamer (汽走, Kisō); and over 150 tons loadage, and less 300 tons loadage | |
| Western style ship (西洋形, Seiyōgata); and over 100 tons loadage, and less 200 tons loadage | ||
| Japanese style ship (和形, Wagata); and over 10 tons loadage, and less 30 tons loadage | ||
| Barge (運貨船, Unkasen); And over 50 tons loadage, and less 100 tons loadage | ||
| Coal supply ship (石炭船, Sekitansen); And over 50 tons loadage, and less 150 tons loadage | ||
| Lighter (五大力船, Godairikisen); And over 20 tons loadage, and less 30 tons loadage | ||
| Hopper barge (泥受船, Doroukesen) | ||
| Junk (伝馬船, Tenmasen) | ||
| High-speed oars (押送船, Oshokurisen) | ||
| Floating pier (足場船, Ashibasen); And over 30 feet, and less 46 feet | ||
| Dumper (塵芥船, Jinkaisen) | ||
| Floating crane (起重器船, Kijūkisen) | 50 tons ability | |
| 15 tons ability | ||
| Floating drydock (浮船渠, Ukisenkyo) | ||
| Pile driver (杭打器船, Kuiuchikisen) | ||
| Pontoon (橋船, Kyōsen) | ||
| Training ship (練習船, Renshūsen) | ||
23 December 1916 (Initial)
- 23 December 1916, Ministerial ordinance No. 281, Special service ships and units ordinance, Minister's Secretariat, Ministry of the Navy (大正5年12月23日 海軍大臣官房 内令第281号 特設艦船部隊令, 1916 Nairei Dai-281-Gō, Tokusetsukansen butairei)
| Converted merchant vessels (特設艦船, Tokusetsu kansen) | Converted merchant cruiser (特設巡洋艦, Tokusetsu jun'yōkan) | |
| Converted merchant torpedo recovery ship (特設水雷母艦, Tokusetsu suiraibokan) | ||
| Converted merchant air group carrier (特設航空隊母艦, Tokusetsu kōkūtaibokan) | ||
| Converted merchant minesweeper division depot ship (特設掃海隊母艦, Tokusetsu sōkaitaibokan) | ||
| Converted merchant gunboat (特設砲艦, Tokusetsu hōkan) | ||
| Converted merchant minesweeper (特設掃海艇, Tokusetsu sōkaitei) | ||
| Converted merchant repair ship (特設工作船, Tokusetsu kōsakusen) | ||
| Converted merchant transport ship (特設運送船, Tokusetsu unsōsen) | Munition and ammunition ship (給兵船, Kyūheisen) | |
| Water supply ship (給水船, Kyūsuisen) | ||
| Food supply ship (給糧船, Kyūryōsen) | ||
| Collier (給炭船, Kyūtansen) | ||
| Oiler (給油船, Kyūyusen) | ||
| Communication ship (通信船, Tsūshinsen) | ||
| Freighter (雑用船, Zatsuyōsen) | ||
| Converted merchant cable layer (特設電線敷設船, Tokusetsu densenfusetsusen) | ||
| Converted merchant hospital ship (特設病院船, Tokusetsu byōinsen) | ||
| Converted merchant salvage ship (特設救難船, Tokusetsu kyūnansen) | ||
February 1945 (Final)
- February 1945, Ministerial ordinance No. 83, Special service ships and units ordinance, Minister's Secretariat, Ministry of the Navy (昭和20年2月 海軍大臣官房 内令第83号, 1945 Nairei Dai-83-Gō)
| Converted merchant vessels | Converted merchant warship (特設軍艦, Tokusetsu gunkan) | Converted merchant cruiser | |
| Converted merchant minelayer (特設敷設艦, Tokusetsu fusetsukan) | |||
| Converted merchant rapid extension netlayer (特設急設網艦, Tokusetsu kyūsetsumōkan) | |||
| Converted merchant aircraft carrier (特設航空母艦, Tokusetsu kōkūbokan) | |||
| Converted merchant seaplane tender (特設水上機母艦, Tokusetsu suijōkibokan) | |||
| Converted merchant aircraft transport ship (特設航空機運搬艦, Tokusetsu kōkūki unpankan) | |||
| Converted merchant torpedo recovery ship | |||
| Converted merchant submarine tender (特設潜水母艦, Tokusetsu sensuibokan) | |||
| Converted merchant minesweeper tender (特設掃海母艦, Tokusetsu sōkaibokan) | |||
| Converted merchant gunboat | |||
| Converted merchant auxiliary boat (特設特務艇, Tokusetsu tokumutei) | Converted merchant capture-net layer (特設捕獲網艇, Tokusetsu hokakumōtei) | ||
| Converted merchant anti-submarine net layer (特設防潜網艇, Tokusetsu bōsenmōtei) | |||
| Converted merchant mine boat (特設敷設艇, Tokusetsu fusetsutei) | |||
| Converted merchant submarine chaser (特設駆潜艇, Tokusetsu kusentei) | |||
| Converted merchant minesweeper | |||
| Converted merchant picket boat (特設監視艇, Tokusetsu kanshitei) | |||
| Converted merchant auxiliary vessels (特設特務艦船, Tokusetsu tokumukansen) | Converted merchant transport vessel (特設運送艦, Tokusetsu unsōkan) | ||
| Converted merchant transport ship | Munition and ammunition ship | ||
| Water supply ship | |||
| Food supply ship | |||
| Collier | |||
| Oiler | |||
| Collier-oiler (給炭油船, Kyūtan'yusen) | |||
| Communication ship | |||
| Freighter | |||
| Converted merchant repair vessel (特設工作艦, Tokusetsu kōsakukan) | |||
| Converted merchant harbor service vessel (特設港務艦, Tokusetsu kōmukan) | |||
| Converted merchant survey vessel (特設測量艦, Tokusetsu sokuryōkan) | |||
| Converted merchant icebreaker (特設砕氷船, Tokusetsu saihyōsen) | |||
| Converted merchant cable layer | |||
| Converted merchant hospital ship | |||
| Converted merchant salvage ship | |||
| Converted merchant miscellaneous ship (特設雑役船, Tokusetsu zatsuekisen) | |||
Footnotes
- Monthly Ships of the world No. 500, p. 371
- JACAR C08050092300, p. 2
See also
Bibliography
- Summary of Naval military commands, Naval Minister's Secretariat/Ministry of the Navy
- Vol. 1, April 1936 (24th supplement, March 1945)
- Vol. 3, April 1936 (24th supplement, March 1945)
- Series 100 year histories from Meiji Era, Ministry of the Navy, printed by Hara Shobō (Japan)
- Vol. 172, Histories of Naval organizations #2, original plot in 1941, reprint in March 1971
- Vol. 173, Histories of Naval organizations #3 (1), original plot in 1939, reprint in May 1971
- Vol. 174, Histories of Naval organizations #3 (2), original plot in 1939, reprint in July 1971
- Vol. 180, Histories of Naval organizations #8, original plot in January 1940, reprint in October 1971
- The Maru Special, Ushio Shobō (Japan)
- Japanese Naval Vessels No. 25, "Japanese seaplane tenders w/ auxiliary seaplane tenders", March 1979
- Japanese Naval Vessels No. 29, "Japanese submarine tenders w/ auxiliary submarine tenders", July 1979
- Japanese Naval Vessels No. 34, "Japanese auxiliary vessels", December 1979
- Japanese Naval Vessels No. 39, "Japanese torpedo boats", May 1980
- Japanese Naval Vessels No. 42, "Japanese minelayers", August 1980
- Japanese Naval Vessels No. 45, "Japanese gunboats", November 1980
- Japanese Naval Vessels No. 47, "Japanese minewarfare crafts", January 1981
- Japanese Naval Vessels No. 49, "Japanese submarine chasers and patrol boats", March 1981
- Japanese Naval Vessels No. 50, "Japanese minesweepers and landing ships", April 1981
- Japanese Naval Vessels No. 53, "Japanese support vessels", July 1981
- Japanese Naval Vessels No. 132, "Japanese submarines I", February 1988
- Japanese Naval Vessels No. 133, "Japanese submarines II", March 1988
- Japanese Naval Vessels No. 134, "Japanese submarines III", April 1988
- Japanese Naval Vessels No. 135, "Japanese submarines IV", May 1988
- Monthly Ships of the World, "Kaijinsha". (Japan)
- No. 391, Special issue Vol. 24, "Japanese battleships", March 1988
- No. 441, Special issue Vol. 32, "Japanese cruisers", September 1991
- No. 453, Special issue Vol. 34, "History of Japanese destroyers", July 1992
- No. 469, Special issue Vol. 37, "History of Japanese submarines", August 1993
- No. 481, Special issue Vol. 40, "History of Japanese aircraft carriers", May 1994
- No. 500, Special issue Vol. 44, "Ships of the Imperial Japanese Navy", August 1995
- No. 507, Special issue Vol. 45, "Escort Vessels of the Imperial Japanese Navy", February 1996
- No. 522, Special issue Vol. 47, "Auxiliary Vessels of the Imperial Japanese Navy", March 1997
- No. 681, Special issue Vol. 79, "History of Japanese battleships", October 2007
- No. 736, Special issue Vol. 95, "History of Japanese aircraft carriers", January 2011
- No. 754, Special issue Vol. 101, "History of Japanese cruisers", January 2012
- "Japan Center for Asian Historical Records (JACAR)"., National Archives of Japan
- Reference code: A03020231100, Original script signed by the Emperor / Imperial ordinance No.71 of 1896 /Abolition of Naval ships ordinance established in and Warship ordinance
- Reference code: A03020647600, The script signed by the Emperor, 1905, Imperial Ordinance No.258, Amendment and addition to the Naval Warships and Other Vessels Ordinance.
- Reference code: A08072692000, Classification standard table of warship and special service vessels
- Reference code: C08050092300, Classification table of special naval ships (1)
- Reference code: C09090196000, Messages of Council of State inquiry to Seiin about Navy rules and salary table
- Reference code: C09110630100, Jurisdiction Vessels rank correction caused by proclamation
- 1/700 Water Line Series Guide Book of Imperial Japanese Navy ships, Shizuoka Plastic Model Manufacturers Association (Aoshima Bunka Kyozai/Tamiya Corporation/Hasegawa Corporation), October 2007
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