Recognition Guide Warships of the Second World War
Kriegsmarine — Submarine

German submarine U-1021

Type VIIC/41 submarine

Displacement
747 long tons (759 t)
Length
67.1 m (220.1 ft)
Beam
6.2 m (20.3 ft)
Speed
17.7 knots (32.8 km/h, 20.4 mph)
Main gun
88 mm (3.5 in)

Service

  1. Kriegsmarine as U-102125 May 1944 — 14 March 1945293 days of the war
Type VIIC/41 submarine Particulars
Name
U-1021
Builder
Blohm & Voss, Hamburg
Ordered
13 June 1942
Laid down
6 May 1943
Launched
13 April 1944
Commissioned
25 May 1944
Fate
Sunk on 14 March 1945 (1945)
Status
Wreck

Specifications

Displacement, surfaced
747 long tons (759 t)
Displacement, submerged
846 long tons (860 t)
Length
67.1 m (220.1 ft) OA
Beam
6.2 m (20.3 ft)
Draught
4.74 m (15.6 ft)
Speed
17.7 knots (32.8 km/h, 20.4 mph)
Range
8,500 nmi (15,742 km)
Main gun
88 mm (3.5 in)

U-1021 was a Type VIIC/41 submarine in service with the Kriegsmarine. Her keel was laid at Blohm & Voss, Hamburg on 6 May 1943. She entered service on 25 May 1944, having been launched on 13 April 1944.

She was one of 612 ships of her class. The class followed the Type UB III, Vetehinen class and was succeeded by the Type XXI (Late-war replacement).

The boat displaced 747 long tons surfaced and 846 long tons submerged. She measured 67.1 m (220 ft) long with a beam of 6.2 m (20 ft). Her designed speed was 17.7 knots.

Her main battery was one 88 mm (3.5 in) guns.

She was in commission for 293 days of the Second World War.

She was sunk on 14 March 1945, at 50°33′N 5°12′W. The wreck survives.

Written from the harvested record. Every figure above is sourced; the wording is this site's own.

Armament and machinery

Armament and machinery
Propulsion
  • 2 shafts
  • 2 × diesel engines
  • 2 × electric motors
Power
  • 2800 - 3200 PS (diesels)
  • 750 PS (electric)
Armament
  • 5 × 53.3 cm torpedo tubes (4 bow, 1 stern)
  • 14 × torpedoes
  • 1 × 8.8 cm deck gun (220 rounds)
  • 1 × 3.7 cm Flak M42 AA gun
  • 2 × 2 cm C/30 AA guns

Sister ships

587 more in the class

Sources