German submarine U-691
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|Ordered:||2 April 1942|
|Fate:||Contract suspended, 30 September 1943
Cancelled, 22 July 1944
|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. The new Elektro Boat XXI design had made the Type VIIs obsolete.
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.
- "U-691 - Non-commissioned German U-boat - U-boat index - uboat.net". uboat.net. Retrieved 17 February 2010.