Italian submarines in World War Two

CM 1 (UIT.17)
CM 1

ClassCM (43) 
Laid down 7 Jun 1943 Cantieri Riuniti dell'Adriatico, Monfalcone
Launched1 Aug 1944
End service
Loss date
Loss position
History Captured by the German when still under construction. Transferred as UIT-17 to the Italian Socialist Republic on completion in late 1943. Sunk during an Allied air raid on 23rd March 1945.


CommanderDate fromDate toCommand notes

Ships hit

No ships hit by this submarine.

Patrols and events

 CommanderDateTimePortArr. dateArr. timeArr. portMilesDescription
5 Sep 1943Monfalcone5 Sep 1943MonfalconeLaunched at Monfalcone.

8 Sep 1943Monfalcone8 Sep 1943MonfalconeWas at Monfalcone at armistice time.

9 Sep 1943Monfalcone16 Sep 1943VeniceSailed with Nautilo (which developed defects) and was seized by the Germans at Venice.

1 Aug 1944Monfalcone1 Aug 1944MonfalconeCompleted at Monfalcone as UIT.17. Given to the RSI.

9 Apr 1945Monfalcone?10 Apr 1945AMPolaPassage Monfalcone?-Pola.

2 May 1945Date???Pola3 May 19451830AnconaPassage Pola-Ancona. Had a crew of ten. Was considered for service in Leros. Reported blown up by German mine on 3rd May 1945, while attempting to escape from Pola to Venice but a C.M. submarine was also reported at Val di Figo (Pola) on 8th May 1945. One midget submarine arrived at Venice from Pola on 4th May 1945 and two more were mined en route.

5 May 1945Ancona7 May 1945Date???BariPassage Ancona-Bari, escorted by ML.361. A C.M. submarine was also reported at Val di Figo (Pola) on 8th May 1945.

4 Jul 19451115Bari5 Jul 19450725TarantoPassage Bari-Taranto.

8 entries. 8 total patrol entries (0 marked as war patrols) and 0 events.

All Italian submarines