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1-GO auxiliary patrols (1945)


Photo



85-go

Ships


Name No Yard No Builder Laid down Launched Comp Fate
第1号哨戒特務艇 [1-go]     Yamanishi, Ishinomaki / Yokosuka K K   1945 1945 surrendered 8.1945, BU 1947
第2号哨戒特務艇 [2-go]     Yamanishi, Ishinomaki / Yokosuka K K   1945 1945 surrendered 8.1945, BU 1947
第3号哨戒特務艇 [3-go]     Yamanishi, Ishinomaki / Yokosuka K K   1945 1945 surrendered 8.1945, sold mercantile 1947
第4号哨戒特務艇 [4-go]     Yamanishi, Ishinomaki   1945 --- // 1946 completed mercantile
第25号哨戒特務艇 [25-go]     Murakami, Ishinomaki / Yokosuka K K   1945 1945 surrendered 8.1945, foundered 19.9.1945
第26号哨戒特務艇 [26-go]     Murakami, Ishinomaki / Yokosuka K K   1945 1945 surrendered 8.1945, sold mercantile 1947
第27号哨戒特務艇 [27-go]     Murakami, Ishinomaki   1945 --- BU incomplete 1946
第31号哨戒特務艇 [31-go], 1956- うきしま [Ukishima] MS18   Funaya, Hakodate / Yokosuka K K   1945 1945 surrendered 8.1945, MSDF minesweeper 1948, harbour vessel 1962
第32号哨戒特務艇 [32-go]     Funaya, Hakodate   1945 --- // 1947 completed mercantile
第33号哨戒特務艇 [33-go]     Funaya, Hakodate   --- --- BU incomplete 1946
第34号哨戒特務艇 [34-go]     Funaya, Hakodate   --- --- BU incomplete 1946
第37号哨戒特務艇 [37-go]     Miho, Shimizu / Yokosuka K K   1945 1945 sunk 18.7.1945
第38号哨戒特務艇 [38-go]     Miho, Shimizu   --- --- BU incomplete 1946
第54号哨戒特務艇 [54-go]     Koyanagi, Shizuoka / Yokosuka K K   1945 1945 surrendered 8.1945, foundered 1945
第55号哨戒特務艇 [55-go]     Koyanagi, Shizuoka   1945 --- // 1946 completed mercantile
第64号哨戒特務艇 [64-go]     Saga, Takaoka / Maizuru K K   1945 1945 surrendered 8.1945, sold mercantile 1947
第65号哨戒特務艇 [65-go]     Saga, Takaoka   1945 --- BU incomplete 1946
第66号哨戒特務艇 [66-go]     Saga, Takaoka   --- --- BU incomplete 1946
第84号哨戒特務艇 [84-go], 1956- つるしま [Tsurushima] MS19   Yonago, Yonago / Maizuru K K   1945 1945 surrendered 8.1945, MSDF minesweeper 1948, harbour vessel 1963
第85号哨戒特務艇 [85-go]     Yonago, Yonago   1946 --- // 1947 completed mercantile
第86号哨戒特務艇 [86-go]     Yonago, Yonago   --- --- BU incomplete 1946
第90号哨戒特務艇 [90-go]     Ichikawa, Ujiyamada / Yokosuka K K   1945 1945 lost 8.1945
第91号哨戒特務艇 [91-go]     Ichikawa, Ujiyamada   1945 --- BU incomplete 1946
第92号哨戒特務艇 [92-go]     Ichikawa, Ujiyamada   1945 --- BU incomplete 1946
第93号哨戒特務艇 [93-go]     Ichikawa, Ujiyamada   1945 --- BU incomplete 1946
第110号哨戒特務艇 [110-go]     Nishii, Ujiyamada / Kure K K   1945 1945 sunk 18.7.1945
第111号哨戒特務艇 [111-go]     Nishii, Ujiyamada / Kure K K   1945 1945 never commissioned, foundered late 1945
第122号哨戒特務艇 [122-go]     Goriki, Ujiyamada / Kure K K   1945 1945 sunk 18.7.1945
第123号哨戒特務艇 [123-go]     Goriki, Ujiyamada / Kure K K   1945 1945 never commissioned, BU 1946
第134号哨戒特務艇 [134-go], 1956- おとしま [Otoshima] MS20   Shikoku, Takamatsu / Kure K K   1945 1945 surrendered 8.1945, MSDF minesweeper 1948, stricken 1962
第135号哨戒特務艇 [135-go], 1956- まつしま [Matsushima] MS21   Shikoku, Takamatsu / Kure K K   1945 1945 surrendered 8.1945, MSDF minesweeper 1948, harbour vessel 1963
第136号哨戒特務艇 [136-go], 1956- ひめしま [Himeshima] MS22   Shikoku, Takamatsu / Kure K K   1945 1945 surrendered 8.1945, MSDF minesweeper 1948, stricken 1962
第137号哨戒特務艇 [137-go]     Shikoku, Takamatsu / Kure K K   1945 1945 surrendered 8.1945, wrecked 18.4.1946
第138号哨戒特務艇 [138-go], 1956- あわしま [Awashima] MS23   Shikoku, Takamatsu / Kure K K   1945 1945 surrendered 8.1945, MSDF minesweeper 1948, harbour vessel 1962
第139号哨戒特務艇 [139-go], 1956- かるしま [Karushima] MS24   Shikoku, Takamatsu / Kure K K   1945 late 1945 MSDF minesweeper 1948, harbour vessel 1963
第140号哨戒特務艇 [140-go]     Shikoku, Takamatsu   1945 --- BU incomplete 1946
第152号哨戒特務艇 [152-go], 1956- かもしま [Kamoshima] MS25   Fukushima, Matsue / Kure K K   1945 1945 surrendered 8.1945, MSDF minesweeper 1948, stricken 1962
第153号哨戒特務艇 [153-go], 1956- たかしま [Takashima] MS26   Fukushima, Matsue / Kure K K   1945 1945 surrendered 8.1945, MSDF minesweeper 1948, harbour vessel 1963
第154号哨戒特務艇 [154-go] MS27   Fukushima, Matsue / Kure K K   1945 1945 surrendered 8.1945, MSDF minesweeper 1948, sunk 23.5.1949
第155号哨戒特務艇 [155-go]     Fukushima, Matsue / Kure K K   1945 1945 never commissioned, BU 1946
第156号哨戒特務艇 [156-go]     Fukushima, Matsue   --- --- cancelled 4.1945
第163号哨戒特務艇 [163-go]     Hayashikawa, Shimonoseki / Sasebo K K   1945 1945 sunk 22.8.1945
第164号哨戒特務艇 [164-go]     Hayashikawa, Shimonoseki / Sasebo K K   1945 1945 wrecked 30.5.1945
第165号哨戒特務艇 [165-go]     Hayashikawa, Shimonoseki / Sasebo K K   1945 1945 surrendered 8.1945, foundered late 1945
第166号哨戒特務艇 [166-go]     Hayashikawa, Shimonoseki / Sasebo K K   1945 1945 sunk 12.8.1945
第173号哨戒特務艇 [173-go]     Tokushima, Tokushima / Kure K K   1945 1945 sunk 29.3.1945, raised but never repaired
第174号哨戒特務艇 [174-go]     Tokushima, Tokushima / Kure K K   1945 1945 surrendered 8.1945, BU 1946
第175号哨戒特務艇 [175-go] MS28   Tokushima, Tokushima / Kure K K   1945 1945 surrendered 8.1945, MSDF minesweeper 1948, wrecked 30.10.1950
第176号哨戒特務艇 [176-go]     Tokushima, Tokushima / Kure K K   1945 1945 surrendered 8.1945, wrecked 18.4.1946
第177号哨戒特務艇 [177-go]     Tokushima, Tokushima / Kure K K   1945 --- sunk incomplete 4.7.1945
第178号哨戒特務艇 [178-go]     Tokushima, Tokushima / Kure K K   1945 --- sunk incomplete 4.7.1945
第179号哨戒特務艇 [179-go], 1956- おしま [Oshima] MS29   Jinen, Moji / Sasebo K K   1945 1945 surrendered 8.1945, MSDF minesweeper 1948, stricken 1963
第180号哨戒特務艇 [180-go]     Jinen, Moji / Sasebo K K   1945 1945 never commissioned, foundered late 1945
第181号哨戒特務艇 [181-go]     Jinen, Moji   --- --- BU incomplete 1946
第191号哨戒特務艇 [191-go]     Fukuoka, Fukuoka / Sasebo K K   1945 1945 surrendered 8.1945, MSDF minesweeper 1948, wrecked 27.10.1950
第192号哨戒特務艇 [192-go]     Fukuoka, Fukuoka / Sasebo K K   1945 1945 surrendered 8.1945, BU 1946
第193号哨戒特務艇 [193-go]     Fukuoka, Fukuoka   1945 --- foundered incomplete 18.9.1945


Technical data


Data variantas completed JMSDF ships 1948
Displacement standard, t

238

 238
Displacement full, t

285

 285
Length, m

28.5 wl 29.8 oa

28.5 wl 29.8 oa
Breadth, m

6.09

6.09
Draught, m

2.45

2.45
No of shafts

1

 1
Machinery

1 diesel

 1 diesel
Power, h. p.

400

400
Max speed, kts

9

9
Fuel, t

diesel oil 26

 diesel oil
Endurance, nm(kts)

3500(9)

 3500(9)
Armament

2 x 2 - 25/60 96-shiki, 2 DCT (12 ГБ), 2 x 1 - 120 AA RL

 1 x 1 - 40/60 Mk 3, 6 x 1 - 25/60 96-shiki, mechanical minesweeping gear
Electronic equipment

1-go: 1-shiki sonar suite

most: 3-shiki sonar, 1-ki ECM suite

some: 3-shiki 1-go radar, 3-shiki sonar, 1-ki ECM suite

 SO-8 radar
Complement   


Standard scale images


<i>1-go</i> 1945
1-go 1945


Graphics


<i> 85-go</i>
85-go


Project history

Design was developed on the basis of auxiliary chaser of Cha1 class. Intended for escorting of convoys in inshore area. In addition to regular armament (2 25mm and 3 13.2mm MGs, 8 DC) they can also carry 2 bow TTs. Really TTs were never installed and boats of class were commissioned with strengthened AA armament.

In July, 1945 23 more boats (Nos between 2121 and 2320) were built in sections, contract was cancelled 2.7.1945. Further 120 boats of this class were cancelled in 1945 and 80 boats (Nos 2321-2400) were never ordered.

Modernizations

1948, MSDF minesweepers were rearmed with 1 x 1 - 40/60 Mk 3, 6 x 1 - 25/60 96-shiki, mechanical minesweeping gear