German submarine U-663

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

Kriegsmarine as U-66314 May 1942 — 8 May 1943359 days of the war

Type VIIC submarine Particulars

Name: U-663
Builder: Deutsche Werft, Hamburg
Ordered: 15 August 1940
Laid down: 31 March 1941
Launched: 26 March 1942
Commissioned: 14 May 1942
Fate: Sunk on 8 May 1943 in the Bay of Biscay in position 46, by depth charges from a RAAF Sunderland. (1943)
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-663 was a Type VIIC submarine built for the Kriegsmarine. Deutsche Werft, Hamburg laid her keel on 31 March 1941. Launched on 26 March 1942, she entered service on 14 May 1942.

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 359 days of the Second World War.

She was sunk on 8 May 1943, at 46°50′N 10°00′W. The wreck survives.

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

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 x 2 cm C/30 AA gun

Sister ships

587 more in the class

Sources

Facts harvested from German submarine U-663 on Wikipedia. Figures only — no wording is taken from it.