Recognition Guide Warships of the Second World War
Kriegsmarine — Submarine

German submarine U-400

Type VIIC submarine

Displacement
757 long tons (769 t)
Length
67.23 m (220.6 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-40018 March 1944 — 15 December 1944272 days of the war
Type VIIC submarine Particulars
Name
U-400
Builder
Howaldtswerke, Kiel
Ordered
25 August 1941
Laid down
18 November 1942
Launched
8 January 1944
Commissioned
18 March 1944
Fate
Sunk on 15 December 1944 (1944)
Status
Wreck

Specifications

Displacement, surfaced
757 long tons (769 t)
Displacement, submerged
857 long tons (871 t)
Length
67.23 m (220.6 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-400 was a Type VIIC submarine built for the Kriegsmarine. Howaldtswerke, Kiel laid her keel on 18 November 1942. She entered service on 18 March 1944, having been launched on 8 January 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 757 long tons surfaced and 857 long tons submerged. She measured 67.2 m (221 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 272 days of the Second World War.

She was sunk on 15 December 1944, at 50°40′N 5°05′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 (four bow, one stern)
  • 14 × torpedoes
  • 1 × 8.8 cm deck gun (220 rounds)
  • 1 × 3.7 cm Flak M42 AA gun
  • 2 × twin 2 cm C/30 anti-aircraft guns

Sister ships

587 more in the class

Sources