Chapter 1 - Japanese Mines - Section 1 - General
JAPANESE UNDERWATER ORDNANCE
JAPANESE MINES

Type

Jap
Designation

Diameter

Height

Charge

Method of
Firing

Descriped
On Page

JA

Type 88, Model 1

33".9

45".8

396#

4 chemical horns

3

JB

Type 93, Model 1

34"

34"

220#

4 chemical horns

5

JB

Type 93, Model 2

34"

34"

220#

7 chemical horns

5

JB

Type 93, Model 3

34"

34"

220#

9 chemical horns

5

JB

Type 93, Model 3
Modif. 3

34"

34"

220#

8 chemical horns

7

JB

Type 93, Model 4

34"

34"

220#

9 chemical horns

5

JC

Mark 5, Modif. 1

32".7

32".7

182#

4 chemcial horns

9

JD

Mark 2, Explo-
sive Hook, Modif.
1

8"

10"

8 - 19#

Electric control

11

JD

Mark 2, Explo-
sive Hook

8"

10"

8 - 19#

Electric control
and tension

11

JE

Small Type Mine
Model 1

20.5"
Hemi-
sphere

10.5"

44#

2 chemical horns

13

JF

Type 94, Model 2

28".4

25".6

190#

Electric control

15

JG

Small Type Mine
Model 2

14.5"
Trunca-
ted cone

10".25

22#

1 chemical horn

17

JH

Mark 6, Model 1

41".4

41".4

478#

4 chemical horns

19

JH

Mark 6, Model 2,
Modif. 1

41".4

41".4

440#

4 chemical horns

19

JI

K-2

142

6'1"

123#

4 switch horns

21

JJ

Unknown

24"

52".5

Unknown

4 chemical horns

23

Apri-
cot
(Net
Mine)

Type 96

20".1

27".2

121#

300# or more
tension

24

Grape-
fruit

Type 96, Modif. 1

20".1

27".2

132#

300# or more
tension

24

Avo-
cado

Unknown

32".5

32".5

170#

Pendulum-im-
pact-inertia

24

Banana

Unkwon

33".5

33".5

275#

4 chemical horns

24

Pear

Type 3, Mark 6

35".5

45".5

440#

4 chemical horns

25

Plum

Type 3, Mark 1,
Aerial Mine
Model 1

Un-
known

Un-
known

Un-
known

Unknown

25

Pome-
gran-
ate

Unkown

41"

41"

Un-
known

6 chemical horns

25

Quince

Type 92

Unknown

48.9"

1100#

Electric control

26

Chapter 1 - Japanese Mines - Section 1 - General