← Back to Fleet Database

I-9-Class (Type A)

JPN Submarine WWII Fleet Submarines Tier 3 Power 57.43

Aircraft-Carrying Cruisers - I-9-class were large cruiser submarines carrying floatplanes. 3 boats commissioned 1941-1942. 365 ft long, 2,919/4,149 tons. Six torpedo tubes + 5.5-inch deck gun + 1 floatplane. Long range (16,000 nm). I-10 reconnoitered Pearl Harbor before attack. I-11 contributed to sinking USS Juneau (Sullivan brothers). All 3 lost 1942-1944 (100% loss rate).

Specifications

Displacement (std)
2966 t
Displacement (full)
4149 submerged t
Length
373 ft
Beam
31.2 ft
Crew
100-114
Ships built
3
Commissioned
1941-1942
Decommissioned
None (all sunk in action)

Performance

Top speed
23.5 kn
Range
16000 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 ↗