Japanese submarine I-31

Career
Laid down: 6 December 1939
Launched: 13 March 1941
Completed: 30 May 1942
Fate: Sunk on 13 May 1943 by gunfire
General characteristics
Displacement: 2,584 tons standard
3,654 tons submerged
Length: 108.5 m (356.5 ft)
Beam: 9.3 m (30.5 ft)
Draught: 5.12 m (16.8 ft)
Propulsion: 2-shaft diesel (12,400 hp) and electric motor (2,000 hp)
Speed: 23 knots (43 km/h) surface, 8 knots (15 km/h) submerged
Range: 14,000 nautical miles (26,000 km) at 16 knots (30 km/h)
Test depth: 100 m (333 ft)
Complement: 101 officers and men
Armament: 6 × 533 mm torpedo tubes forward (17 Torpedoes) + 1 × 14 cm/50 cal.
Aircraft carried: one Yokosuka E14Y "Glen"'Type 0' reconnaissance seaplane

I-31 was a Type B1 submarine operated during World War II. She was sunk by American destroyers near Attu.

References