German submarine U-91 (1941)

U-91 was a Type VIIC submarine, operated by the Kriegsmarine. She carried the pennant number 1941. Her keel was laid at Flender Werke, Lübeck on 12 November 1940. She entered service on 28 January 1942, having been launched on 30 November 1941.

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 759 days of the Second World War.

She was sunk on 26 February 1944. The wreck survives.

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