Imperial Japanese Navy — Submarine class
Type A1 submarine
The class in numbers
- 5 Planned
- 3 Completed
- 2 Cancelled
- 3 Lost
Design and service
- Type
- Submarine
- Navy
- Imperial Japanese Navy
- Built
- 1939–1942
- Preceded by
- Type J3 submarine
- Succeeded by
- Type A2 submarine
Class specifications
Figures for the class as designed. Individual vessels varied, sometimes considerably — each vessel page carries its own configurations.
As built
- Displacement, surfaced
- 2,919 long tons (2,966 t)
- Displacement, submerged
- 4,129 long tons (4,195 t)
- Length
- 113.7 m (373 ft) OA
- Speed
- 23.5 knots (43.5 km/h, 27 mph)
- Main gun
- 140 mm (5.5 in)
- Armament
- 6 × bow 533 mm torpedo tubes
- 1 × 14 cm deck gun
- 2 × twin 25 mm AA guns
Roster
| Vessel | Pennant | Commissioned | Fate |
|---|---|---|---|
| Japanese submarine I-10 | 1941 | Sunk 1944 | |
| Japanese submarine I-11 | 1942 | 1944 | |
| Japanese submarine I-9 | 1941 | Sunk 1943 |
Sources
- Facts harvested from Type A1 submarine on Wikipedia. Figures only — no wording is taken from it.