Japanese submarine I-169

History
Empire of Japan
Name	I-69
Builder	Mitsubishi Kobe Yard, Kobe, Japan
Laid down	22 December 1931
Launched	15 February 1934
Completed	28 September 1935
Commissioned	28 September 1935
Decommissioned	15 December 1938
Recommissioned	1 September 1939
Renamed	I-169, 20 May 1942
Fate	Sank 4 April 1944
Stricken	10 June 1944
General characteristics
Class and type	KD6 Type, Kadai type submarine
Displacement	1,400 (1,785 maximum) tons surfaced 2,440 tons submerged[1]
Length	322 ft 10 in (98.4 m)
Beam	26 ft 11 in (8.2 m)
Draught	15 ft 0 in (4.6 m)
Propulsion	Twin shaft Kampon 9,000 bhp (6,711 kW)/two stroke diesels
Speed	23 knots (43 km/h; 26 mph) diesel 8.2 knots (15.2 km/h; 9.4 mph) electric[1]
Range	14,000 nmi (26,000 km; 16,000 mi)[1]
Test depth	230 ft (70 m)
Complement	60–84 officers and enlisted
Armament	6 x torpedo tubes/14 21 in (533 mm) torpedoes 1 x 100 mm (3.9 in) AA gun 1 × 13.2 mm (0.52 in) AA gun

I-69, later I-169, was an Imperial Japanese Navy Kaidai-class cruiser submarine of the KD6 sub-class commissioned in 1935. She served in World War II, during which she conducted six war patrols and took part in operations supporting the attack on Pearl Harbor, the Battle of Midway, the Guadalcanal campaign, the Aleutians campaign, and the defense of the Gilbert Islands. She sank in a diving accident in April 1944.