(ex Italian submarine Luigi Torelli)
|Laid down||1938||Odero-Terni-Orlando, Italy|
|Commissioned *||10 Sept, 1943||Frgkpt. Werner Striegler|
|Commanders||12.43 - 08.44
09.44 - 02.45
02.45 - 05.45
|Frgkpt. Werner Striegler
Oblt. Herbert Schrein (in deputize)
Oblt. Alfred Meier
12.43 - 09.44 12th Flotilla (Bordeaux) front boat
10.44 - 05.45 33rd Flotilla (Flensburg) front boat
Launched as the Italian submarine Luigi Torelli.
Taken over at Kobe, Japan on 10 May, 1945 and commissioned as I-504. Surrendered at Kobe, Japan in August 1945. Sunk by the US Navy on 16 April 1946 in the Kii Suido between the Japanese islands of Honshu and Shikolu.
* Commissioned into German service.
These boats were roughly 1060tons on the surface, in many ways they were similar in measurements to the German type IXB, they had 8 torpedo tubes and carried 14 torpedoes and had a complement of roughly 57 in Italian service.