Status of the German midget submarine U 2274 in April 1944

In the attachment to the letter of the Oberkommando der Kriegsmarine dated Berlin 22 May 1944 No. IIa titled Ablieferungstermine für U-Boote auf deutschen Werften bis Ende Mai 1945 status begin April 1944 was reported that the German midget submarine U 2274 Type XXVII, ordered on 28 March 1944 to be built by Simmering (Cantieru Riuniti dell’Adriatico), Monfalcone, Italy and to be completed in June 1944. Source

Deutsches Historisches Institut Moska. Records 500 findbuch 201253-file 152.