(Scanned from Erminio Bagnasco's "Submarines of World War Two")
Externally similar to the Junsen type A1, the Type A2 had less powerful engines and reduced maximum speed, but even longer range. I-12 was lost to unknown causes in January 1945, possibly an operational loss.
| Units | 1 (lost in 1945) |
|---|---|
| Ships | I-12 |
| Year(s) Completed | 1944 |
| Displacement | 2,934 tons / 4,172 tons |
| Dimensions | 372.8 ft x 31.5 ft x 17.5 ft | Machinery | 2 diesels: 4,700 hp
electric motors: 1,200 hp |
| Speed | 17.7 knots / 6.2 knots |
| Range | 22,000 nm @ 16 knots |
| Armament | 6x533mm TT fwd + 1x14cm/50 cal. (18 Torpedoes) + one seaplane. |
| Max. Depth | 100 m (330 feet) |
| Crew | 114 officers and men |
