Soviet submarine Shch-421

Shch-421 was a Shchuka-class submarine of the Soviet Navy. She served in the Northern Fleet during World War II. She was led by commander Nikolai Lunin, before he was replaced by his second-in-command Fyodor Vidyayev.

Shch-421 was of X series.
History
Soviet Union
Name: Shch-421
Laid down: 20 November 1934
Launched: 12 May 1935
Commissioned: 5 December 1937
Fate: Scuttled on sea on 9 April 1942
General characteristics
Class and type: Shchuka-class submarine, Type X[1]
Displacement:
  • 577 tons surfaced
  • 704 tons submerged
Length: 57.00 m (187 ft 0 in)
Beam: 6.20 m (20 ft 4 in)
Draught: 3.78 m (12 ft 5 in)
Propulsion: 2 shaft diesel electric, 1,020 kW (1,370 bhp) diesel, 600 kW (800 bhp) electric
Speed:
  • 12.5 knots (23.2 km/h; 14.4 mph) on the surface;
  • 6.3 knots (11.7 km/h; 7.2 mph) submerged
Range: 6,000 nautical miles (11,000 km; 6,900 mi) at 8 knots (15 km/h; 9.2 mph)
Test depth: 91 m (300 ft)
Complement: 38
Armament:
  • 4 × bow torpedo tubes
  • 2 × stern torpedo tubes
  • (10 torpedoes)
  • 2 × 45 mm (1.8 in) semi-automatic guns

Service history

The submarine operated in the Northern Fleet and made torpedo attacks during 1941 and 1942, missing multiple targets and sinking one. On 8 April 1942 the submarine suffered heavy damage in a minefield: with no more power and close to enemy shores, the crew built a sail out of the canvas cover and managed to move away from the dangerous area. ShCh-421 was then found by the Soviet submarine K-22. All crew was taken onboard K-22 and the crippled submarine was sunk with a torpedo.

Ships sunk by Shch-421[2]
Date Ship Flag Tonnage Notes
5 February 1942 Konsul Schulte 2,975 GRT freighter(torpedo)
Total:2,975 GRT

References
  1. Helgason, Guðmundur. "Shch (Scuka) class". Uboat. Retrieved 15 September 2018.
  2. "ShCh-421 of the Soviet Navy - Submarine of the ShCh (Scuka) class - Allied Warships of WWII". Uboat.net. Retrieved 15 September 2018.



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