Recognition Guide Warships of the Second World War
Kriegsmarine — Submarine

German submarine U-551

Type VIIC submarine

Displacement
757 long tons (769 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-5517 November 1940 — 23 March 1941136 days of the war
Type VIIC submarine Particulars
Name
U-551
Builder
Blohm & Voss, Hamburg
Ordered
25 September 1939
Laid down
21 November 1939
Launched
14 September 1940
Commissioned
7 November 1940
Fate
Sunk on 23 March 1941 (1941)
Status
Wreck

Specifications

Displacement, surfaced
757 long tons (769 t)
Displacement, submerged
857 long tons (871 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-551 was a Type VIIC submarine in service with the Kriegsmarine. Blohm & Voss, Hamburg laid her keel on 21 November 1939. Launched on 14 September 1940, she entered service on 7 November 1940.

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 67.1 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 136 days of the Second World War.

She was sunk on 23 March 1941, at 62°37′N 16°47′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 or 26 TMA mines
  • 1 × 8.8 cm deck gun (220 rounds)
  • 1 x 2 cm C/30 AA gun

Sister ships

587 more in the class

Sources