1-go 1941
1-go 1944
| Name | No | Builder | Laid down | Launched | Comp | Fate |
| 第1号掃海艇 <1-go> (W1) | Harima, Harima | 1922 | 6/3/1923 | 6/1923 | sunk 10/8/1945 | |
| 第2号掃海艇 <2-go> (W2) | Mitsui, Tamano | 1922 | 17/3/1923 | 6/1923 | sunk 1/3/1942 | |
| 第3号掃海艇 <3-go> (W3) | Hitachi, Sakurajima | 1922 | 29/3/1923 | 6/1923 | sunk 9/4/1945 | |
| 第4号掃海艇 <4-go> (W4) | Sasebo K K | 12/1923 | 24/4/1924 | 4/1925 | captured 8/1945, scuttled 13/7/1946 |
|
Displacement standard, t |
615 |
|
Displacement normal, t |
702 |
|
Length, m |
71.6 pp 74.3 wl 76.3 oa |
|
Breadth, m |
8.03 |
|
Draught, m |
2.29 |
|
No of shafts |
2 |
|
Machinery |
VTE, 3 Kampon boilers |
|
Power, h. p. |
4000 |
|
Max speed, kts |
20 |
|
Fuel, t |
coal 186 |
| Endurance, nm(kts) | 3000(10) |
|
Armament |
2 x 1 - 120/45 3-shiki, 1 x 1 - 76/40 11-shiki, sweeps |
|
Complement |
92 |
Ship project history: Built under the 1922 program. First Japanese purpose-built minesweepers.
Modernizations: 1938, all: permanent ballast was added, full displacement was 807t; - 1 x 1 - 76/40.
1944, all survived: - 1 x 1 - 120/45, sweeps; + 5 x 1 - 25/60 96-shiki, 2 DCT (36)
Naval service: W2 was lost 1/3/1942 on a mine in Bantam Bay, Java. W1 was sunk 10/8/1945 at coast of Japan (Yamada Bay) by American carrier aircraft. W3 9/4/1945 was sunk at coast of Japan (NE off Sendai) by American submarine Parche.
3-go
© Ivan Gogin, 2008-10