|Ordered||1 Aug 1942|
|Laid down||30 Jul 1943||Flensburger Schiffsbau-Ges, Flensburg (werk 498)|
|Launched||11 Jul 1944|
|Commissioned||13 Sep 1944||Oblt. Helmut Christiansen|
|Successes||1 ship sunk, total tonnage 878 GRT|
Surrendered at Loch Eriboll, Scotland on 10 May 1945 (Waller & Niestlé, 2010).
Allocated to the USSR by the TNC. Arrived Libau (Latvia) on 4 Dec 45 with RN Pennant No: N.25. Allocated to the Baltic Fleet on 13 Feb 46. Renamed S-84 on 9 Jun 49. To reserve on 30 Dec 55. Allocated as a test hulk to the Northern Fleet. Sunk in Barents Sea off Novaja Zemlja during an atomic bomb test on 10 Oct 57. Struck from Soviet Navy list on 1 Mar 58.
This boat was fitted with a Schnorchel underwater-breathing apparatus and sailed equipped with it in April 1945 but it was of course installed prior to that date. Read more about the Schnorchel and see list of fitted boats.
Men lost from U-boats
Unlike many other U-boats, which during their service lost men due to accidents and various other causes, U-1305 did not suffer any casualties (we know of) until the time of her loss.