Japanese submarine Ro-113

History
Japan
Name	Submarine No. 404
Builder	Kawasaki, Kobe, Japan
Laid down	11 July 1942
Renamed	Ro-113 on 5 February 1943
Launched	24 April 1943
Completed	12 October 1943
Commissioned	12 October 1943
Fate	Sunk by USS Batfish, 13 February 1945
Stricken	10 May 1945
General characteristics
Class and type	Ro-100-class submarine
Displacement	611 tonnes (601 long tons) surfaced 795 tonnes (782 long tons) submerged
Length	60.90 m (199 ft 10 in) overall
Beam	6.00 m (19 ft 8 in)
Draft	3.51 m (11 ft 6 in)
Installed power	1,000 bhp (750 kW) (diesel) 760 hp (570 kW) (electric motor)
Propulsion	Diesel-electric 1 × diesel engine 1 × electric motor
Speed	14.2 knots (26.3 km/h; 16.3 mph) surfaced 8 knots (15 km/h; 9.2 mph) submerged
Range	3,500 nmi (6,500 km; 4,000 mi) at 12 knots (22 km/h; 14 mph) surfaced 60 nmi (110 km; 69 mi) at 3 knots (5.6 km/h; 3.5 mph) submerged
Test depth	75 m (246 ft)
Crew	38
Armament	4 × bow 533 mm (21 in) torpedo tubes 2 × 25 mm (1 in) Type 96 anti-aircraft guns or 1 × 76.2 mm (3.00 in) L/40 AA gun

Ro-113 was an Imperial Japanese Navy Ro-100-class submarine. Completed and commissioned in October 1943, she served in World War II, operating off the Admiralty Islands, in the Indian Ocean — where she sank the last Allied ship torpedoed by a Japanese submarine during World War II — and off the Philippine Islands. She was sunk in February 1945.