Soviet submarine L-21

History
Soviet Union
NameL-21
Laid down15 June 1938
Launched14 July 1940
Commissioned31 August 1943
Decommissioned29 December 1955
FateScrapped.
General characteristics
Class & typeLeninets-class
Displacement
  • 1,108 tons surfaced
  • 1,400 tons submerged
Length85.3 m (279 ft 10 in)
Beam7 m (23 ft 0 in)
Draft4.05 m (13 ft 3 in)
Propulsion
Speed
  • 18 knots (33 km/h) surfaced
  • 9 knots (17 km/h) submerged
Range
  • 10,000 nmi (19,000 km) at 10 kn (19 km/h) surfaced
  • 150 nmi (280 km) at 2.5 kn (4.6 km/h) submerged
Test depth80
Complement56
Armament
  • 1 × 100 mm (3.9 in) L/68 gun
  • 1 × 45 mm (1.8 in) gun
  • 8 × 533 mm (21 in) torpedo tubes (6 bow, 2 ext aft)
  • 18 × torpedoes
  • 20 × mines
Service record
Part of: Baltic Fleet

The World War II Soviet submarine L-21 belonged to the L-class or Leninets class of minelayer submarines. She was part of the last series (Group 4) of her class, having some improvements including more torpedo tubes. The commander during the war was Sergey S. Mogilevskiy.