German submarine U-691

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Name: U-691
Ordered: 2 April 1942
Builder: Howaldtswerke, Hamburg
Yard number: 840
Fate: Contract suspended, 30 September 1943
Cancelled, 22 July 1944
General characteristics
Type: Type VIIC/41 submarine

German submarine U-691 was a Type VIIC/41 U-boat of Nazi Germany's Kriegsmarine during World War II. Her construction by Howaldtswerke of Hamburg was ordered on 2 April 1942, suspended on 30 September 1943, and cancelled on 22 July 1944.[1] The new Elektro Boat XXI design had made the Type VIIs obsolete.

In fiction[edit]

Neal Stephenson's novel Cryptonomicon includes a fictitious U-691, a Type IXD/42, launched at Wilhelmshaven on 19 September 1940 (four years before IXD/42s were actually developed) and fitted with an experimental schnorkel.



See also[edit]