Recognition Guide Warships of the Second World War
Kriegsmarine — Submarine

German submarine U-317

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-31723 October 1943 — 26 June 1944247 days of the war
Type VIIC/41 submarine Particulars
Name
U-317
Builder
Flender Werke, Lübeck
Ordered
14 October 1941
Laid down
12 September 1942
Launched
1 September 1943
Commissioned
23 October 1943
Fate
Sunk on 26 June 1944 (1944)
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-317 was a Type VIIC/41 submarine built for the Kriegsmarine. Her keel was laid at Flender Werke, Lübeck on 12 September 1942. She entered service on 23 October 1943, having been launched on 1 September 1943.

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 247 days of the Second World War.

She was sunk on 26 June 1944, at 62°03′N 1°45′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 × 2 cm C/30 AA guns

Sister ships

587 more in the class

Sources