Japanese submarine I-179

	Sister ship I-176 at sea, 1942
History
Empire of Japan
Name	I-179
Builder	Kawasaki Dockyard Co., Kobe
Laid down	21 August 1941, as Submarine No. 157
Launched	16 July 1942
Completed	18 June 1943
Renamed	1 November 1941, as I-179
Stricken	15 April 1944
Fate	Sunk during sea trials, 14 July 1943; Salvaged and scrapped, 1957;
General characteristics
Class & type	Kaidai type, KD7-class
Displacement	1,862 t (1,833 long tons) (surfaced); 2,644 t (2,602 long tons) (submerged);
Length	105.5 m (346 ft 2 in)
Beam	8.25 m (27 ft 1 in)
Draft	4.6 m (15 ft 1 in)
Installed power	8,000 bhp (6,000 kW) (diesels); 1,800 hp (1,300 kW) (electric motors);
Propulsion	Diesel-electric; 2 × diesel engines; 2 × electric motors;
Speed	23 knots (43 km/h; 26 mph) surfaced; 8 knots (15 km/h; 9.2 mph) submerged;
Range	8,000 nmi (15,000 km; 9,200 mi) at 16 knots (30 km/h; 18 mph) surfaced; 50 nmi (93 km; 58 mi) at 5 knots (9.3 km/h; 5.8 mph) submerged;
Test depth	80 m (260 ft)
Complement	86
Armament	6 × 533 mm (21 in) torpedo tubes (all bow); 1 × 120 mm (4.7 in) deck gun; 1 × twin 25 mm (1.0 in) Type 96 AA gun;

The Japanese submarine I-179 (originally I-79) was a Kaidai type cruiser submarine of the KD7 sub-class built for the Imperial Japanese Navy (IJN) during the 1940s. She was lost with all hands when a valve was accidentally left open during her sea trials in July 1943. Her wreck was later salvaged and scrapped in 1957.