design of the class
History
Soviet Union
Name	K-23
Laid down	5 February 1938
Launched	28 April 1939
Commissioned	29 September 1940
Fate	Sunk on 12 May 1942
General characteristics
Class and type	K-class submarine
Displacement	1,490 tons surfaced 2,600 tons submerged
Length	97.65 m (320 ft 4 in)
Beam	7.4 m (24 ft 3 in)
Draft	4.51 m (14 ft 10 in)
Propulsion	2-shaft diesel electric, 8,400 hp (6,300 kW) diesel, 2,400 hp (1,800 kW) electric
Speed	surface - up to 22.5 knots (41.7 km/h; 25.9 mph) submerged - 10 knots (19 km/h; 12 mph)
Range	14,000 nmi (26,000 km; 16,000 mi) at 11 knots (20 km/h; 13 mph)
Test depth	230 ft (70 m)
Complement	67 (10 officers)
Armament	6 × bow torpedo tubes 2 × stern torpedo tubes 2 × external stern torpedo tubes (24 torpedoes) 2 × 100 mm guns 2 × 45 mm guns 20 mines
Service record
Part of:	Northern Fleet

Soviet submarine K-23 was a K-class submarine of the Soviet Navy during World War II. She was under command of captain Magomet Gadzhiyev (an ethnic Avar) until her loss in 1942.

Operating against Axis shipping in Norwegian waters, K-23 made both torpedo and gunfire attacks and laying a field of mines in Porsanger Fjord . The submarine was sunk on 12 May 1942 by depth charges from the German escort ships UJ-1101, UJ-1108 and UJ-1110.

Ships sunk by K-23 ^[1]

Date	Ship	Flag	Tonnage	Notes
19 January 1942	Sørøy		506 GRT	Merchant ship (artillery)
15 February 1942	Brik		3664 GRT	Merchant ship (mine)
Total:			4,170 GRT

Additionally, the German minesweeper M-22 was damaged on 5 November 1941 by a mine laid earlier from the submarine. K-23 also shelled the Norwegian fishing boat Start on 26 November 1941, wounding seven sailors.