| Type | Midget | |
| Class | CB (42) | |
| Laid down | | Caproni-Taliedo, Milan |
| Launched | |
|
| Commissioned | | |
| End service | | |
| Stricken | | |
| Loss date | | |
| Loss position | | |
| History | Captured by the German when still under construction. Transferred to the Italian Socialist Republic on completion in late 1943. Sunk during an Allied air raid |
| Fate | |
Commands
| Commander | Date from | Date to | Command notes |
|---|
| S.T.V. Giuseppe Tendi | Sep 1944 | 2 Oct 1944 | |
Ships hit
No ships hit by this submarine.
Patrols and events
| | Commander | Date | Time | Port | Arr. date | Arr. time | Arr. port | Miles | Description |
|---|
| | 8 Sep 1943 | | Pola | 8 Sep 1943 | | Pola | | At Pola at armistice time. |
|
| 1 | Tendi, Giuseppe | 29 Sep 1944 | or 30/9 from Pola | Val di Figo (Pola) | 2 Oct 1944 | | Senigallia | | Sailed for patrol off Ancona. Tendi was murdered by the crew and they beached the submarine 50 meters south of the Senigallia breakwater. The submarine was seized by the British. The two murderers were sent to an Allied concentration camp in Algeria but were not prosecuted after the war. |
| | | 2 Oct 1944 | |
(0) 50 metres sout of Senigaglia breakwater. | S.T.V. Giuseppe Tendi was shot in the back of the neck and killed by one of his crew in a rare case of mutiny. The three crew members beached their midget submarine and surrendered to the British. They were interned in a PoW camp, but were not prosecuted after the war. They were wireless operator Franco Millelire, Electrician Antonio Lillo and mechanic Giuseppe Pap. |
2 entries. 2 total patrol entries (1 marked as war patrols) and 1 events.
