Ha-201-Class Coastal Defense Submarines (Type STS)
Revolutionary but Too Late - Ha-201-class were advanced Japanese coastal submarines. 10 boats commissioned 1945. Revolutionary: 13 knots submerged (faster than surfaced!) - fastest submerged speed of any WWII submarine. Small (377 tons), two torpedoes (no reloads), electric-priority design. All commissioned January-August 1945 (too late for combat). All survived war (0% loss rate - war ended before deployment). Scrapped 1945-1948. Showed Japanese submarine technology advanced but timing disastrous - revolutionary boats commissioned when war ending.
Specifications
- Displacement (std)
- 320 t
- Displacement (full)
- 440 submerged t
- Length
- 173.9 ft
- Beam
- 13.1 ft
- Crew
- 22
- Ships built
- 10
- Commissioned
- 1945
- Decommissioned
- 1945-1948 (all survived war, scrapped)
Performance
- Top speed
- 11.8 kn
- Range
- 3000 nm at 10 knots surfaced
Armament
- Secondary guns
- None
- Torpedoes
- 2× 533mm (21-inch) - bow tubes
Armor & Systems
- Belt
- None
In-Game
- Tier
- T3
- Game power
- 46.09
- Research cost
- 9,126
- Credit cost
- 32,263
Notable
- Fastest submerged speed of any WWII submarine (13 knots)
- Slower surfaced than submerged (revolutionary)
- Small coastal defense design (377 tons)
- 10 built, all commissioned 1945 (too late)
- All survived war (0% loss rate - war ended)
- Scrapped 1945-1948 (never saw combat)
- Represented advanced late-war technology wasted