- 20.05.1943 Pmot HOHENSTEIN im Bestand der 5. Gruppe [1] - Weiterer Verbleib ungeklärt [2] - 20.05.1943 Pmot HOHENSTEIN im Bestand der 5. Gruppe der 11. L-Flottille.[1]
- 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.[2]