Japanese Minesweepers.  History of the Japanese Minesweepers.

W1 class                 Displacement: 615t standard; 691t trial         Armament: 2-4.7in/45, 1-3in/40 AA             Complement: 92

W1

1923-24

Sunk 10.8.45

W2

1923-24

Sunk 1.3.42

W3

1923-24

Sunk 9.4.45

W4

1923-24

Scuttled 13.7.46

W5 class      Displacement: 620t standard; 706t trial                 Armament: 2-4.7in/45, 1-3in/40 AA, 1 MG           Complement: 87

W5

1928

Sunk 4.11.44

W6

1928

Sunk 26.12.41

W13   Class        Displacement: 500t standard; 551t trial           Armament: 2-4.7in/45, 2-13.2mm AA           Complement: ?

W13

1933-44

Sunk by shore batteries in the attack on Tarakan, Borneo 12.1.42

W14

1933-44

Sunk by shore batteries in the attack on Tarakan, Borneo 12.1.42

W15

1933-44

Sunk 5.3.45

W16

1933-44

Sunk 11.9.43

W17 class             Displacement: 578t standard, 696t trial             Armament: 2-4.7in/45, 2-13.2 AA           Complement: ?

W17

1935

Broken up 1947

W18

1935

Sunk 26.11.44

W7 class                Displacement: 630t standard; 738t trial              Armament: 3-4.7in/45, 2-25mm AA               Complement: 88

W7

1938-39

Sunk 15.4.44

W8

1938-39

Scuttled 13.7.44

W9

1938-39

Sunk 2.2.42

W10

1938-39

Sunk 10.12.41

W11

1938-39

Sunk 28.3.45

W12

1938-39

Sunk 6.4.45

W19 class                  Displacement: 648t standard; 743t trial             Armament: 3-4.7in/45, 2-25mm AA                Complement: ?

W19

1941-44

Constructive total loss 10.12.41

W20

1941-44

Sunk 4.5.45

W21

1941-44

To USA 1947, broken up

W22

1941-44

Sunk 11.11.44

W23

1941-44

To USSR 1947, sunk 15.7.45

W24

1941-44

Sunk 15.7.45

W25

1941-44

Sunk 4.7.44

W26

1941-44

Sunk 17.2.44

W27

1941-44

Sunk 17.2.44

W28

1941-44

Sunk 29.8.44

W29

1941-44

Sunk 7.5.45

W30

1941-44

Sunk 11.11.44

W33

1941-44

Sunk 9.8.45

W34

1941-44

Sunk 21.5.45

W38

1941-44

Sunk 20.11.44

W39

1941-44

Sunk 20.7.45

W41

1941-44

Sunk 4.1.45

Ex-US ALBATROSS class coastal minesweepers

Etajima

1955

Deleted 1966

Moroshima

1959

Deleted 1957

Ninoshima

1959

Deleted 1957

Nuwajima

1955

Deleted 1957

Ogishima

1955

Deleted 1957

Ujishima

1955

Deleted 1966

Yakushima

1955

Returned to USA 1970

Yugeshima

1955

Deleted 1957

Yurishima

1955

Deleted 1957

Ex-US AMS/MSC type coastal minesweeper

Acquired

Yashima

16.12.54

Re-classified as auxiliaries 1971, deleted 1978

Hashima

3.6.55

Re-classified as auxiliaries 1971, deleted 1978

Tsushima

18.7.56

Re-classified as auxiliaries shortly after, deleted 1978

Toshima

18.7.56

Re-classified as auxiliaries shortly after, deleted 1978

YASHIRO coastal minesweeper        Displacement: 230t standard; 255 t full load        Armament: 1-20mm

Yashiro

26.3.56

Deleted 1981

ATADA class, class minesweepers           Displacement: 240t standard; 260t full load        Armament: 1-20mm

Atada

12.3.56

Deleted 1981

Itsuki

11.3.56

Deleted 1981

KASADO class minehunters/minesweepers          Displacement: 330t standard; 360t full load        Armament: 1-20mm           Complement: 43

Amani

31.10.66

Became diver support ships 1982, deleted 1981-90

Chiburi

29.11.63

Became diver support ships 1982, deleted 1981-90

Habushi

19.6.59

Became MCM support ships 1982, deleted 1981-90

Hario

10.12.62

Became hydro graphic ships 1982, deleted 1981-90

Hirado

3.10.60

Became diver support ships 1982, deleted 1981-90

Hotaka

23.10.61

Became diver support ships 1982, deleted 1981-90

Ibuki

2.12.67

Became diver support ships 1982, deleted 1981-90

Kanawa

22.4.59

Became diver support ships 1982, deleted 1981-90

Karato

11.12.62

Became diver support ships 1982, deleted 1981-90

Kasado

19.3.58

Became hydro graphic ships 1982, deleted 1981-90

Katsura

18.9.67

Became diver support ships 1982, deleted 1981-90

Koozu

12.11.59

Became diver support ships 1982, deleted 1981-90

Koshiki

9.11.61

Became diver support ships 1982, deleted 1981-90

Kudako

8.12.64

Became diver support ships 1982, deleted 1981-90

Mikura

14.3.60

Became tenders to gunnery school 1982, deleted 1981-90

Minase

10.1.67

Became diver support ships 1982, deleted 1981-90

Mustsure

16.12.63

Became diver support ships 1982, deleted 1981-90

Ootsu

5.11.64

Became MCM support ships 1982,

Rebun

7.12.65

Became diver support ships 1982, deleted 1981-90

Rishiri

22.11.65

Became diver support ships 1982, deleted 1981-90

Sakito

22.4.59

Became diver support ships 1982, deleted 1981-90

Shikine

22.7.60

Became tenders to gunnery school 1982, deleted 1981-90

Shisaka

20.3.58

Became diver support ships 1982, deleted 1981-90

Tatara

14.1.60

Became hydro graphic ships 1982, deleted 1981-90

Tsukumi

12.1.60

Became diver support ships 1982, deleted 1981-90

Urume

12.11.66

Became diver support ships 1982, deleted 1981-90

TAKAMI class minehunters/minesweepers         Displacement: 380t standard        Armament: 1-20mm         Complement: 45-47

Takami

15.7.69

-

Iou

12.8.69

-

Mikaye

3.6.70

-

Utone

6.4.70

-

Awaji

11.12.70

-

Toushi

13.12.70

-

Tewi

Oct 1971

-

Murotsu

Oct 1971

-

Tashiro

2.4.73

-

Miyato

3.4.73

Deleted 31 Mar 1982

Takane

8.3.74

-

Mukizi

5.4.74

-

Yokose

21.7.75

-

Sakate

5.8.75

-

Oumi

28.5.76

-

Fukue

12.7.76

Was extant as MST 426, a mother ship for the MSB inshore minesweeper 1995

Okitsu

4.3.77

-

Hashira

8.11.77

-

Iwai

8.11.77

-

HATSUSHIMA class minehunters/minesweepers             Displacement: 440t standard       Armament: 1-20mm         Complement: 45

Nippon Kokan

-

In service 1995

Tsurumi

-

In service 1995

Hatsushima

30.10.78

Converted to YAS 1995

Miyajima

18.9.79

In service 1995

Enoshima

25.7.80

In service 1995

Miijima

2.6.81

In service 1995

Yakushima

22.6.82

In service 1995

Toroshima

23.6.83

In service 1995

Hahajima

27.6.84

In service 1995

Etajima

17.6.85

In service 1995

Kamishima

20.6.86

In service 1995

Moroshima

11.6.87

In service 1995

Yurishima

13.5.88

Went to Gulf in 1991, In service 1995

Hitachi

-

In service 1995

Kanagawa

-

In service 1995

Ninoshima

9.8.79

In service 1995

Ukishima

11.7.80

In service 1995

Oshima

17.6.81

In service 1995

Narushima

7.6.82

In service 1995

Chichijima

18.7.83

In service 1995

Takashima

18.6.84

In service 1995

Newajima

5.6.85

In service 1995

Himeshima

10.6.86

In service 1995

Ogishima

10.6.87

In service 1995

Hikoshima

2.6.88

Went to Gulf in 1991, In service 1995

AWASHIMA class minehunters/minesweepers        Displacement: 490t standard      Armament: 1-20mm Gatling         Complement: 45

Completed

Hitachi

-

-

Kanagawa

-

-

Awashima

13.12.89

-

Ieshima

19.12.90

-

Tsulishima

18.3.93

-

Maejima

15.12.93

-

Makishima

12.12.94

-

Nippon Kokan

-

Tsurumi

-

Sakushima

13.12.89

-

Uwajima

19.12.90

-

Kumejima

Dec 1994

-

Tobishima

10.3.95

-

MSC 689

1996

-

YAEYAMA class ocean minehunters/minesweepers        Displacement: 1000t standard      Armament: 1-20 Gatling           Complement: 60

Hitachi

-

-

Kanagawa

-

-

Yaeyama

28.8.91

-

Nippon Kokan

-

-

Tsurumi

-

-

Tsushima

11.9.91

-

Hachijyo

15.12.92

-

MSB type inshore minsweepers

Nana-Go

-

Deleted 1992

Hachi-Go

-

Deleted 1992

Kyuu-Go

-

Deleted 1995

Jyuu-Ichi-Go

-

Deleted 1995

Jyuu-Ni-Go

-

-