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"Ko-Gata A2" command submarine (I12) (1944)


Ships


Name No Yard No Builder Laid down Launched Comp Fate
伊12 [I12]     Kawasaki, Kobe 11/1942 3.8.1943 5/1944 lost 15-31.1.1945


Technical data


Displacement standard, t

2490

Displacement normal, t

2934 / 4172

Length, m

108.4 pp 112.0 wl 113.7 oa

Breadth, m

9.55

Draught, m

5.39

No of shafts

2

Machinery

2 Kampon diesels / 2 electric motors

Power, h. p.

4700 / 1200

Max speed, kts

17.7 / 6.2

Fuel, t

diesel oil 240

Endurance, nm(kts)22000(16) / 75(3)
Armament

1 x 1 - 140/40 11-shiki, 2 x 2 - 25/60 96-shiki, 6 - 533 TT (bow,18), 1 catapult, 1 seaplane (E14Y1)

Electronic equipment2-shiki 2-go radar (presumably), 93-shiki sonar, 93-shiki hydrophone, E27 ECM suite
Complement

114

Diving depth operational, m100


Standard scale images


<i>I12</i> 1944
I12 1944


Project history

Ko-Gata A2 type. Built under War programme of 1941. Development of Ko-Gata A1 type, but with decreased engine power and lower speed: at the expense of that endurance has been significantly increased. In remaining she differed from a prototype a little.

Modernizations

None.

Naval service

I12 after 15.1.1945 was lost in central Pacific.