Recognition Guide Warships of the Second World War
Kriegsmarine — Submarine

German submarine U-777

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-7779 May 1944 — 22 November 1944197 days of the war
Type VIIC submarine Particulars
Name
U-777
Builder
Kriegsmarinewerft Wilhelmshaven
Ordered
20 January 1941
Laid down
5 June 1943
Launched
25 March 1944
Commissioned
9 May 1944
Decommissioned
22 November 1944
Fate
Sunk in air raid on 15 October 1944, raised on 22 November 1944
Scuttled on 5 May 1945 (1944)
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-777 was a Type VIIC submarine of the Kriegsmarine. Her keel was laid at Kriegsmarinewerft Wilhelmshaven on 5 June 1943. She entered service on 9 May 1944, having been launched on 25 March 1944.

Her class ran to 612 ships. 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 197 days of the Second World War. She was decommissioned on 22 November 1944.

She was scuttled on 15 October 1944, at 53°51′N 8°10′E. 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