| Displacement | 405t standard, 420t normal |
|---|---|
| Length | 45.7m pp |
| Width | 7,6m |
| Draught | 2.3m |
| Machinery | 2-shaft recipro, 1 boiler, 600ihp |
| Speed | 12.8kt |
| Range | 600nm by 10kt |
| Armament | 1-8cm/40cal AA gun, 120 mines |
| Complement | 40 |
| Name | Plan | Builder | Laid down | Launch | Complete | ||
|---|---|---|---|---|---|---|---|
| Natsushima | FY1910 | Yokosuka NYd | ? | 1911. 3 | 1911 | miscellaneous (Natsushima-Maru) | 1920. 7. 1 MLB2 (Natsushima) 1923. 4. 1 miscellaneous 1932 BU |
| Sokuten | FY1912 | Maizuru NYd | ? | 1913. 3 | 1913. 7. 4 | miscellaneous (Daiichi Sokuten-Maru) | 1920. 7. 1 MLB2 (Sokuten) 1931. 5.30 MLB 1936. 8.25 disc |
| Toshima | FY1913 | Maizuru NYd | ? | 1914.10 | 1915. 3.20 | miscellaneous (Toshima-Maru) | 1920. 7. 1 MLB2 (Toshima) 1931. 5.30 MLB 1944. 2. 1 MLBa 1945. 7.30 sunk (air attack, at Maizuru) 1945.11.30 disc |
| Kuroshima | FY1914 | Maizuru NYd | ? | 1914.10 | 1915. 4.25 | miscellaneous (Kuroshima-Maru) | 1920. 7. 1 MLB2 (Kuroshima) 1931. 5.30 MLB 1944. 2. 1 MLBa 1945.10. 5 disc 1947.10. 3 to Chi |
| Ashisaki | FY1915 | Maizuru NYd | ? | 1915.10 | 1916. 5.12 | miscellaneous (Ashisaki-Maru) | 1920. 7. 1 MLB2 (Ashisaki) 1931. 5.30 MLB 1944. 2. 1 MLBa 1945.10. 5 disc 1945.11.17 wrecked (heavy weather, near Niigata) |
| Katoku | FY1915 | Maizuru NYd | ? | 1915.10 | 1916. 4. 4 | miscellaneous (Katoku-Maru) | 1920. 7. 1 MLB2 (Katoku) 1931. 5.30 MLB 1944. 2. 1 MLBa 1945.10. 5 disc 1947 to USA, return 1948. 5. 1 JMSA (Katoku) 1952. 4.16 disc |
| Ento | FY1916 | Maizuru NYd | ? | 1917. 3 | 1917. 5.16 | miscellaneous (Ento-Maru) | 1920. 7. 1 MLB2 (Ento) 1931. 5.30 MLB 1944. 2. 1 MLBa 1945. 1.15 damaged (air attack, Taiwan) 1946. 4.30 disc |
| Kurokami | FY1916 | Kure NYd | ? | 1917. 2 | 1917. 5. 1 | miscellaneous (Kurokami-Maru) | 1920. 7. 1 MLB2 (Kurokami) 1931. 5.30 MLB 1944. 2. 1 MLBa 1945.10. 5 disc 1947.11.14 to UK, BU |
| Katashima | FY1916 | Maizuru NYd | ? | 1917. 2 | 1917. 5.19 | miscellaneous (Katashima-Maru) | 1920. 7. 1 MLB2 (Katashima) 1931. 5.30 MLB 1944. 2. 1 MLBa 1945.10. 5 disc 1947.10. 3 to USSR |
| Enoshima | FY1917 | Maizuru NYd | ? | 1917 | 1919. 3.31 | miscellaneous (Enoshima-Maru) | 1920. 7. 1 MLB2 (Enoshima) 1931. 5.30 MLB 1944. 2. 1 MLBa 1946. 4.30 disc |
| Ninoshima | FY1918 | Kure NYd | ? | 1918 | 1920.10.15 | MLB2 | 1931. 5.30 MLB 1944. 2. 1 MLBa 1945.11.30 disc |
| Kurosaki | FY1919 | Uchida SB | ? | 1918 | 1921.12.24 | MLB2 | 1931. 5.30 MLB 1944. 2. 1 MLBa 1945.11.18 wrecked (heavy weather, near Hachinohe) 1945.11.30 disc |
| Washizaki | FY1920 | Yokohama IWks | ? | 1920 | 1921. 9.30 | MLB2 | 1931. 5.30 MLB 1944. 2. 1 MLBa 1945.11.30 disc 1945.11.30 disc |