3.5.1943 11. L-Flottille

- 20.05.1943 Pmot NIEDERWALD im Bestand der 6. Gruppe [1] re. [2]

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- 07.03.1945 - P.MOT. O46 HAVE ORDERS TO GO TO KIEL WITH VERY IMPORTANT MACHINE TOOLS, ETC. P.MOT. C 170 AND B 20 WITH SIMILAR CARGO WILL FOLLOW IN TOW. MACHINES COME FROM NAVAL ARSENAL GDYNIA AND ARE INTENDED FOR REPAIR BASES TO BE NEWLY SET UP IN THE WEST.[1]

Gröner, Die deutschen Kriegsschiffe 1815-1945, Band 6, S.224
[1] DEFE 3-545-672 (ZTPG 348.639)