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I-54-Class (Type B1)

JPN Submarine WWII Fleet Submarines Tier 3 Power 57.43

Indianapolis Killer - I-54-class were Type B1 cruiser submarines. 3 boats commissioned 1944. Large (2,589/3,654 tons), long-range (14,000 nm). Six torpedo tubes + 17 torpedoes. I-58 sank USS Indianapolis (July 30, 1945) - 1,196 killed, worst US naval disaster at sea. I-58 only IJN sub to survive war after sinking major US warship. I-54 and I-56 lost 1945. I-58 surrendered August 1945, scuttled 1946. 67% loss rate.

Specifications

Displacement (std)
2589 surfaced t
Displacement (full)
3654 submerged t
Length
356 ft
Beam
30 ft
Crew
94
Ships built
3
Commissioned
1944
Decommissioned
1945-1946 (2 sunk, 1 scuttled)

Performance

Top speed
17.7 kn
Range
14000 nm at 16 knots surfaced

Armament

Secondary guns
None
Torpedoes
6× 533mm (21-inch) - bow tubes

Armor & Systems

Belt
None

In-Game

Tier
T3
Game power
57.43
Research cost
11,371
Credit cost
40,201

Notable

Historical source ↗