I-400-Class (Sen-Toku Type)
Submarine Aircraft Carriers - I-400-class were largest submarines of WWII and only submarine aircraft carriers designed for offensive strikes. 3 built 1944-1945. Could carry 3 Aichi M6A Seiran floatplane bombers. 400 ft long, 6,560 tons submerged. 37,500 nm range - could circle globe 1.5 times. Unique strategic weapons. Surrendered 1945, never saw combat.
Specifications
- Displacement (std)
- 5223 t
- Displacement (full)
- 6560 (submerged) t
- Length
- 400.3 ft
- Beam
- 39.4 ft
- Crew
- 144
- Ships built
- 3
- Commissioned
- 1944-1945
- Decommissioned
- 1945 (surrendered)
Performance
- Top speed
- 18.7 kn
- Range
- 37500 nm at 14 knots surfaced
Armament
- Main guns
- 1× 140mm/40 (5.5-inch) deck gun
- Secondary guns
- None
- Torpedoes
- 8× 533mm (21-inch) - bow
Armor & Systems
- Belt
- None
In-Game
- Tier
- T5
- Game power
- 113.71
- Research cost
- 62,540
- Credit cost
- 79,597
Notable
- Largest submarines of WWII
- Only submarine aircraft carriers with offensive capability
- Could carry 3 bombers (+ disassembled 4th)
- Longest range of any WWII submarine (37,500 nm)
- Largest submarines until nuclear era (1960s)