NAVYPEDIA

Photo

29-go

Ships

Name	No	Yard No	Builder	Laid down	Launched	Comp	Fate
第19号掃海艇 [19-go]			Ishikawajima, Tokyo	9.1940	18.2.1941	5.1941	damaged 10.12.1941, never repaired
第20号掃海艇 [20-go]			Ishikawajima, Tokyo	3.1941	17.9.1941	12.1941	sunk 4.5.1945
第21号掃海艇 [21-go]			Harima, Harima	9.1941	28.2.1941	6.1942	captured 8.1945, to USA 10.1947, BU
第22号掃海艇 [22-go]			Ishikawajima, Tokyo	10.1941	28.4.1941	7.1942	sunk 11.11.1944
第23号掃海艇 [23-go]			Ishikawajima, Tokyo	5.1942	13.1.1943	3.1943	captured 8.1945, to Soviet Union 10.1947 (Т-28 [T-28])
第24号掃海艇 [24-go]			Harima, Harima	2.1942	26.9.1942	1.1943	sunk 15.7.1945
第25号掃海艇 [25-go]			Kure K K		1942	4.1943	sunk 4.7.1944
第26号掃海艇 [26-go]			Mitsubishi, Yokohama		1942	3.1943	sunk 17.2.1944
第27号掃海艇 [27-go]			Harima, Harima		1942	7.1943	sunk 10.7.1945
第28号掃海艇 [28-go]			Kure K K		1943	6.1943	sunk 29.8.1944
第29号掃海艇 [29-go]			Ishikawajima, Tokyo		1943	10.1943	sunk 7.5.1945
第30号掃海艇 [30-go]			Ishikawajima, Tokyo		1943	2.1944	sunk 11.11.1944
第30号掃海艇 [31-go]			Ishikawajima, Tokyo	1944	---	---	cancelled 1944
第30号掃海艇 [32-go]			Ishikawajima, Tokyo	1944	---	---	cancelled 1944
第33号掃海艇 [33-go]			Mitsubishi, Yokohama		1943	7.1943	sunk 9.8.1945
第34号掃海艇 [34-go]			Ishikawajima, Tokyo		1943	5.1944	sunk 21.5.1945
第34号掃海艇 [35-go]			Ishikawajima, Tokyo	1944	---	---	cancelled 1944
第34号掃海艇 [36-go]			Ishikawajima, Tokyo	1944	---	---	cancelled 1944
第34号掃海艇 [37-go]			Ishikawajima, Tokyo	1944	---	---	cancelled 1944
第38号掃海艇 [38-go]			Fujinagata, Osaka		1944	6.1944	sunk 20.11.1944
第39号掃海艇 [39-go]			Harima, Harima		1944	5.1944	sunk 20.7.1945
第39号掃海艇 [40-go]			Harima, Harima	1944	---	---	cancelled 1944
第41号掃海艇 [41-go]			Fujinagata, Osaka		1944	7.1944	sunk 4.1.1945

Technical data

Displacement standard, t	648
Displacement normal, t	755
Length, m	67.3 pp 71.3 wl 72.5 oa
Breadth, m	7.85
Draught, m	2.61
No of shafts	2
Machinery	2 sets geared steam turbines, 2 Kampon boilers
Power, h. p.	3850
Max speed, kts	20
Fuel, t	coal + oil
Endurance, nm(kts)	2000(14)
Armament	19-26-go: 3 x 1 - 120/45 10-shiki, 1 x 2 - 25/60 96-shiki, mechanical minesweeping gear 27-41-go: 2 x 1 - 120/45 10-shiki, 2 x 2 - 25/60 96-shiki, 3 x 1 - 25/60 96-shiki, 2 DCT (36), mechanical minesweeping gear
Electronic equipment	19-26-go: 93-shiki hydrophone 27-41-go: 2-shiki 2-go radar, 93-shiki hydrophone
Complement	105

Standard scale images

Graphics

Project history

Development of W7 class with minor alterations. Their building was provided by 4th (6 ships) and 5th (28 ships) Supplementary programmes of 1939 and 1941. Actually only 23 ships were been begun and only 17 entered service. Orders for the remaining have been cancelled. The 1942 programme provided building of 46 more ships, but works did not begun.

Modernizations

1944, 20-25-go: - 1 x 1 - 120/45; + 2 x 2 - 25/60 96-shiki, 3 x 1 - 25/60 96-shiki, 2 DCT (36)

Naval service

W26 2.11.1943 was hard damaged at Rabaul by US aircraft and sunk here by US aircraft 17.2.1944 during damage repair. W25 was sunk 4.7.1944 at coast of Japan by US carrier aircraft. W39 was sunk 20.7.1944 at coast of Japan by US submarine Threadfin. W28 2.10.1943 was damaged on a mine, 29.8.1944 she was sunk at Celebes by US submarine Jack. W22 was damaged 27.2.1943 by US submarine Grampus, 11.11.1944 she was lost on a mine at Balikpapan. W30 was sunk 11.11.1944 in Omrock Bay (Philippines) by US carrier aircraft. W38 was sunk 20.11.1944 SW off Formosa by US submarine Atule. W41 was hard damaged 4.1.1945 at Takao (Formosa) by US aircraft, has sunk on shallow water and later scrapped. W20 was sunk 4.5.1945 at coast of Japan by US submarine Trepang. W29 was damaged 5.2.1945 on a mine, 7.5.1945 she was lost at coast of Japan on a mine. W34 was sunk 21.5.1945 in Java Sea by US submarine Chub. W27 was sunk 10.7.1945 at coast of Japan by US submarine Runner. W24 was sunk 15.7.1945 at coast of Japan by US carrier aircraft. W33 was sunk 9.8.1945 at coast of Japan by British carrier aircraft.

W19 was hard damaged 10.12.1941 by US aircraft at N coast of Luzon, was not under repair and laid up 15.1.1942, BU 1946. W21 was damaged 10.4.1945 on a mine.

W23 in October, 1947 was on a reparation transferred to the USSR.