List of World War II ships of less than 1000 tons

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The list of World War II ships of less than 1000-tons is an alphabetical list of minor military ships and ship classes of World War II. Only ships with a displacement of less than 1000 tons are listed. For larger vessels, see list of World War II ships. For other ship classes, see the list of World War II ship classes.

Ship classes of World War II (1,000 tons or less)[]

Class Type Country Launch years Displacement (tons) Number

(wartime/total built)

250t Torpedo boat/Gunboat  Romanian Naval Forces 1914 266 3
A Submarine  Royal Norwegian Navy 1914 268 3
Acciaio Submarine  Regia Marina 1935 697 13
Active Patrol boat/Cutter  United States Coast Guard 1927 232 35
Adua Submarine  Regia Marina 1936 697 17
Submarine  Royal Danish Navy 1915 237 5
Ahven Minesweeper  Finnish Navy 1937 17 6
Archimede Submarine  Regia Marina 1936 985 2
Argo Submarine  Regia Marina 1936 810 2
Argonauta Submarine  Regia Marina 1932 667 10
B Submarine  Royal Norwegian Navy 1923–29 365 6
Bandiera Submarine  Regia Marina 1930 937 4
Bangor Minesweeper  Royal Navy 1940–44 600 128
Bird Minesweeper  Royal Navy 1938–40 607 45
Bragadin Submarine  Regia Marina 1931 982 2
Submarine  Royal Danish Navy 369 3
Patrol boat  Republic of China Navy 400 10
Chidori Torpedo boat  Imperial Japanese Navy 1933 535 4
Curtatone Torpedo boat  Regia Marina 1923–24 967 4
Submarine  Royal Danish Navy 369 2
Dance Naval trawler  Royal Navy 1940 554 20
Destroyer  Royal Danish Navy 1929–34 290 9
Draug Destroyer  Royal Norwegian Navy 1910–13 (approx.) 578 3
Eagle Patrol boat  United States Navy 1918-19 625 60
Flower Corvette
1939–44 940 225
Gabbiano Corvette  Regia Marina 1942 672 40
Torpedo boat  Regia Marina 1921 832 6
Gor Gunboat/Minesweeper  Royal Norwegian Navy 1884-87 290 2
Submarine  Royal Danish Navy 407 4
Ha-101 Transport submarine  Imperial Japanese Navy 1944–1945 501 10
Ha-201 Submarine  Imperial Japanese Navy 1945 440 10
Isles Naval trawler  Royal Navy 1940–44 554 145
Kuha Minesweeper  Finnish Navy 1941–46 18 6
Torpedo boat  Hellenic Navy 1914–15 270 3
La Masa Torpedo boat  Regia Marina 1917 840 8
Mackerel Submarine  United States Navy 1940–41 825 2
Mameli Submarine  Regia Marina 1929 880 4
Momi Destroyer  Imperial Japanese Navy 1918–23 770 21
Momo Destroyer  Imperial Japanese Navy 1917–18 835 4
Najaden Torpedo boat  Royal Danish Navy 1943 782 2
Destroyer  Royal Norwegian Navy 1939 632 3
Ōtori Torpedo boat  Imperial Japanese Navy 1935–37 840 8
Oruç Reis Submarine  Royal Navy 1940 856 4
Orsa Torpedo boat  Regia Marina 1938 840 4
Perla Submarine  Regia Marina 1936 697 10
Coast Guard vessel  Colombia 120 3
Pilo Torpedo boat  Regia Marina 1915 770 7
Pisani Submarine  Regia Marina 1930 880 4
Torpedo boat  Hellenic Navy 1915–16 266 2
R Submarine  United States Navy 1918–19 570 27
Ro-100 Submarine  Imperial Japanese Navy 1941–1943 782 18
S Submarine  Royal Navy 1931–45 950 63
S Submarine  United States Navy 1918–25 900 48
Settembrini Submarine  Regia Marina 1932 953
Shakespearian Naval trawler  Royal Navy 1940 554 12
Sirena Submarine  Regia Marina 1934 678 12
Torpedo boat  Regia Marina 1917 845 4
Sleipner Destroyer  Royal Norwegian Navy 1936–38 597 3
Minesweeper  Royal Danish Navy 270 6
Spica Torpedo boat  Regia Marina 1936–38 640 30
Squalo Submarine  Regia Marina 1930 933 4
Trad Torpedo boat  Royal Thai Navy 1935–37 262 9
Tree Naval trawler  Royal Navy 1939–40 545 20
Trygg Torpedo boat  Royal Norwegian Navy 1919–21 220 3
Type 23 Torpedo boat  Kriegsmarine 1926 923 6
Type 24 Torpedo boat  Kriegsmarine 1926–27 923 6
Type 35 Torpedo boat  Kriegsmarine 1937–39 844 12
Type 37 Torpedo boat  Kriegsmarine 1938–40 853 9
Type I Submarine  Kriegsmarine 1936 892 2
Type II Submarine  Kriegsmarine 1939–40 300 50
U Submarine  Royal Navy 1938-43 540 49
Vale Gunboat  Royal Norwegian Navy 1874-78 260 5
Vedenia Motor torpedo boat  Romanian Naval Forces 1943–44 30 6
Wakatake Destroyer  Imperial Japanese Navy 1922–23 900 6
X Submarine  Royal Navy 1943–45 30 14
XE Submarine  Royal Navy 1943–45 33 12
XT Training submarine  Royal Navy 1943–45 30 6

Ships of World War II of 1,000 tons or less[]

  • (Estonia): 140-ton gunboat
  • (Finland): 52-ton minesweeper
  • (Finland): 400-ton coast guard and escort vessel
  • Aura II (Finland): 563-ton presidential yacht and escort vessel


  • (Cuba): 500-ton gunboat
  • (Colombia): 142-ton gunboat
  • Class (Argentina): 500-ton minesweeper
  • (Bulgaria): 77-ton patrol boat
  • (Denmark): 415-ton fisheries patrol vessel
  • Birago (Germany): 50-ton patrol boat, ex-Siofok (Austria)
  • (Colombia): 360-ton gunboat
  • class (Argentina): 450-ton minesweeper
  • Brand (Norway): 107-ton torpedo boat


  • (Cuba): 115-ton coast guard craft
  • Carabobo (Colombia): 120-ton coast guard vessel
  • Carioca (Brazil): 552-ton mine layer
  • Cartagena (Colombia): 142-ton gunboat
  • (China): 250-ton patrol boat
  • (China): 250-ton patrol boat
  • (China): 275-ton river gunboat
  • (Bulgaria): 77-ton patrol boat
  • (China): 500-ton survey vessel
  • (China): 90-ton river gunboat
  • (China): 390-ton destroyer, became (Japan)
  • (China): 740-ton gunboat
  • (China): 740-ton gunboat
  • (China): 740-ton gunboat
  • Chu Tung (China): 740-ton gunboat
  • (China): 740-ton gunboat
  • (China): 740-ton gunboat
  • Chung Shan (China): 780-ton gunboat, ex-Yung Feng
  • (Argentina): 890-ton destroyer
  • Cordoba (Colombia): 360-ton gunboat
  • Czajka (Poland) 183-ton minesweeper
  • (Poland) 183-ton minesweeper


  • Diez de Octubre (Cuba): 218-ton gunboat
  • (Denmark): 290-ton torpedo boat, became (Germany)
  • Drazki torpedo boat (Bulgaria): 97-ton torpedo boat, commissioned 5 Jan 1908, today museum ship
  • (Bulgaria): 97-ton minesweeper
  • (Albania): 46-ton patrol boat


  • El Fateh (Egypt): 128-ton river gunboat
  • El Zahir (Egypt): 128-ton river gunboat
  • (Chile): 400-ton coast guard vessel


  • (China): 850-ton destroyer
  • (Denmark): 322-ton patrol boat, became Sudpol (Germany), then Freya (Germany)
  • Fresia (Chile): 435-ton submarine
  • Frøya (Norway): 870-ton minelayer
  • Fu Yu (China): 630-ton gunboat


  • General Haller (Poland): 342-ton gunboat
  • (Denmark): 290-ton torpedo boat
  • Glommen (Norway): 351-ton minelayer
  • Guacolda (Chile): 435-ton submarine
  • Guale (Chile): 435-ton submarine


  • Hafir (Egypt): 74-ton river gunboat
  • (China): 166-ton gunboat
  • (China): 211-ton river gunboat
  • (China): 190-ton gunboat
  • (China): 190-ton gunboat
  • Hai Ou (China): 166-ton patrol boat
  • Hai Peng (China): 211-ton river gunboat
  • (China): 56-ton patrol boat
  • Hämeenmaa (Finland): 400-ton training sloop
  • (Denmark): 108-ton torpedo boat
  • (Denmark): 108-ton torpedo boat and minesweeper
  • Heimdal (Norway): 578-ton offshore patrol vessel
  • (Denmark): 705-ton patrol boat, became Nerger (Germany)
  • (Denmark): 463-ton submarine tender and minelayer
  • (Brazil): 680-ton trawler
  • Hitra (Norway): 125-ton submarine chaser
  • (Denmark): 290-ton torpedo boat, became TFA1 (Germany)
  • (China): 680-ton gunboat
  • Honningsvåg (Norway): 487-ton naval trawler
  • (China): 418-ton gunboat
  • (China): 97-ton torpedo boat, became Kawasemi (Japan)
  • Hu Peng (China): 97-ton torpedo boat
  • (China): 97-ton torpedo boat
  • (China): 97-ton torpedo boat
  • (Denmark): 290-ton torpedo boat, became TFA5 (Germany)
  • (Denmark): 160-ton torpedo boat


  • Iguape (Brazil): 150-ton minesweeper
  • Iku-Turso (Finland): 716-ton submarine
  • (Estonia): gunboat
  • (Denmark): 760-ton fishery patrol vessel
  • Itacuruca (Brazil): 210-ton mine layer
  • (Brazil): 150-ton minesweeper
  • (Brazil): 340-ton mine layer


  • Jaskółka (Poland): 183-ton minesweeper
  • (China): 300-ton gunboat
  • (Colombia): 120-ton coast guard vessel
  • (Finland): 400-ton tug


  • (Finland): 52-ton minesweeper
  • Kalev (Estonia): 834-ton submarine
  • Karjala (Finland): 342-ton gunboat
  • (Bulgaria): 97-ton minesweeper
  • (China): 550-ton gunboat
  • (China): 550-ton gunboat
  • (China): 140-ton gunboat
  • (China): 140-ton gunboat
  • (China): 550-ton gunboat
  • (China): 550-ton gunboat
  • King (Argentina): 900-ton gunboat
  • Kjell (Norway): 84-ton 2nd class torpedo boat
  • King Haakon VII (Norway): 357-ton escort ship
  • Komendant Piłsudski (Poland) 342-ton Gunboat
  • (China): 90-ton river gunboat
  • (Denmark): 186-ton minlayer, became (Germany)


  • La Plata (Argentina): 890-ton destroyer
  • Laaland (Denmark): 350-ton minelayer
  • (Estonia): 211-ton gunboat
  • (Denmark): 290-ton torpedo boat, became TFA6 (Germany)
  • Lech (Poland) 280-ton Tugboat
  • Lembit (Estonia): 834-ton submarine
  • , former HNoMS Balder (Norway, then Germany): 708-ton torpedo boat, returned to Norway 1949, scrapped 1961
  • (China): 266-ton gunboat, became (Japan)
  • (Finland): 60-ton minelayer
  • (Denmark): 614-ton minelayer, became (Germany)
  • (Finland): 60-ton minelayer
  • (Denmark): 628-ton minelayer
  • (Denmark): 350-ton minelayer
  • (Finland): 640-ton minelayer and submarine tender


  • (Denmark): 110-ton fishery patrol vessel
  • (Denmark): 108-ton torpedo boat
  • (Brazil): 934-ton destroyer
  • Mardus (Estonia): 80-ton gunboat
  • Mariscal Sucre (Colombia): 125-ton gunboat
  • Marsuinul (Romania): 636-ton submarine
  • Mato Grosso (Brazil): 560-ton destroyer
  • (Poland) 340-ton torpedo boat
  • Mewa (Poland): 183-ton minesweeper
  • (Finland): 80-ton mine tender
  • (China): 465-ton gunboat
  • (China): 465-ton gunboat, captured by Japan
  • MTB 102 (UK) 68-foot Motor Torpedo Boat
  • MTB 345 (UK, then Norway) 16.05-ton Motor Torpedo Boat
  • Murature (Argentina): 900-ton gunboat
  • (Denmark): 782-ton torpedo boat, completed 1947
  • (Denmark): 108-ton torpedo boat and minesweeper
  • (Finland): 400-ton tug
  • SS Nautilus (India): 300 ton gun boat and coast guard
  • (Denmark): 108-ton torpedo boat
  • Nordkapp (Norway): 275-ton fishery protection vessel
  • (Denmark): 782-ton torpedo boat, completed 1947


  • (Denmark): 290-ton torpedo boat, became TFA2 (Germany)
  • Otra (Norway): 355-ton minesweeper


  • Panay (USA): 474-ton river gunboat, sunk 12 December 1937
  • Paraguacu (Brazil): 430-ton river monitor
  • Parnaiba (Brazil): 620-ton river monitor
  • (Finland): 60-ton minelayer
  • Pernambuco (Brazil): 470-ton river monitor
  • (Colombia): 120-ton coast guard vessel, class of 3
  • (Estonia): 500-ton yacht, became Kiev (USSR) and later Luga (USSR)
  • Pol III (Norway): 214-ton guard vessel
  • (Finland): 80-ton mine tender
  • (Finland): 162-ton minesweeper
  • (Finland): 162-ton minesweeper


  • Quidora (Chile): 435-ton submarine


  • Rauma (Norway): 355-ton minesweeper
  • (Finland): 165-ton minesweeper
  • Rechinul (Romania): 585-ton submarine
  • Reiher (Germany): 109-ton training vessel, ex- (Belgium), became
  • Riilahti (Finland): 310-ton minelayer and antisubmarine escort
  • Rio Pardo (Brazil): 132-ton submarine chaser
  • (Estonia): 500-ton sidewheeler minelayer
  • (Chile): 435-ton submarine
  • Ruotsinsalmi (Finland): 310-ton minelayer and antisubmarine escort
  • Rybitwa (Poland): 183-ton minesweeper
  • Ryś (Poland): 980-ton submarine


  • Sæl (Norway): 107-ton 1. class torpedo boat
  • Sælen (Denmark): 108-ton torpedo boat
  • (Argentina): 920-ton submarine
  • (Argentina): 920-ton submarine
  • Santa Marta (Colombia): 142-ton gunboat
  • (Argentina): 920-ton submarine
  • Saranda (Albania): 46-ton patrol boat
  • Saukko (Finland): 142-ton submarine
  • Shu Shen (China): 380-ton gunboat
  • (Austria): 50-ton patrol boat, became the Birago (Germany)
  • (Denmark): 186-ton minelayer
  • (Bulgaria): 97-ton torpedo boat and minesweeper
  • Smok (Poland): 711-ton Tugboat
  • (Denmark): 108-ton torpedo boat and minesweeper
  • (Denmark): 108-ton torpedo boat and minesweeper, became Hajen (Germany)
  • (Denmark): 108-ton torpedo boat and minesweeper
  • Støren (Denmark): 108-ton torpedo boat and minesweeper
  • Storm (Norway): 107-ton torpedo boat
  • (Bulgaria): 97-ton torpedo boat and minesweeper
  • (Estonia): 228-ton torpedo boat, became Ametist (USSR)
  • (Estonia): 500-ton sidewheeler minelayer and minesweeper


  • (China): 900-ton patrol boat
  • (Estonia): gunboat
  • Tamoio (Brazil): 844-ton submarine, ex-Ascianghi (Italy)
  • (Estonia): 108-ton gunboat
  • Tegualda (Chile): 435-ton submarine
  • (China): 932-ton gunboat, scuttled 1937
  • (Denmark): 100-ton surveying tender and patrol boat
  • Timbira (Brazil): 844-ton submarine, ex-Gondor (Italy)
  • Tirane (Albania): 46-ton patrol boat
  • Thorodd (Norway): 406-ton patrol boat
  • (China): 900-ton patrol boat
  • (China): 390-ton destroyer
  • (Brazil): 844-ton submarine, ex-Italian submarine Neghelli
  • (Finland): 360-ton trawler
  • Turunmaa (Finland): 342-ton gunboat
  • (Finland): 360-ton trawler
  • Uruguay (Argentina): 550-ton sloop
  • (Estonia): Gunboat
  • Uusimaa (Finland): 400-ton gunboat


  • (Cuba): 218-ton gunboat
  • Vesihiisi (Finland): 716-ton submarine
  • Vesikko (Finland): 300-ton submarine
  • Vetehinen (Finland): 716-ton submarine
  • Vidar (Norway): 260-ton minelayer
  • (Finland): 165-ton minesweeper
  • Vlorë (Albania): 46-ton patrol boat


  • Wakakura (New Zealand): 540-ton Castle class naval trawler
  • (Germany): 109-ton training vessel, ex-Reiher
  • (China): 932-ton gunboat, scuttled in 1937
  • (Belgium): 109-ton torpedo boat, became Reiher (Germany)
  • Wielingen (Belgium): 227-ton torpedo boat
  • Wilk (Poland) 980-ton submarine
  • (China): 200-ton gunboat


  • (China): 350-ton gunboat
  • YP-19 (USA), 37.5-ton patrol vessel
  • (China): 90-ton river gunboat
  • (China): 860-ton gunboat, became (Japan)
  • (China): 860-ton gunboat, became (Japan)
  • Yung Feng (China): 780-ton gunboat, became Chung Shan
  • (China): 780-ton gunboat
  • (China): 300-ton gunboat
  • (China): 650-ton river gunboat
  • Żbik (Poland) 980-ton submarine
  • Żuraw (Poland) 183-ton minesweeper
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