| KAA | 4801200 |  |
| KAB 10 | 5300440 | |
| KAB 13 | 5300470 | |
| KAB 15 | 5300540 | |
| KAB 16 | 5300xxx | |
| KAB 21 | 5300550 | |
| KAB 22 | 5300560 | |
| KAB 28 | 5306760 | |
| KAB 29 | 5306030 | |
| KAB 33 + | 5306950 | |
| KAP ARKONA | 8043009 |  |
| KAPITÄN KRUSE | 05014620 | |
| KAPSTADT | 02326507 | |
| KARINA | 4012400 | |
| KARL | 4800290 | |
| KARL-HEIN | 4012530 | |
| KARL-HEINZ | 4400890 | |
| KARLSHAFEN | 05500950 | |
| KARMA + | 2013751 |  |
| KATHARINA | 04500700 | |
| KATHARINA ELISABETH | 4807810 | |
| KATY-B | 04300040 | |
| KAVEVINJA | 4607900 | |
| KEISAR | 4500600 | |
| KELANIYA | 4002570 | |
| KIESFRACHT | 4604990 | |
| KINEVY | 6001658 |  |
| KLAUWAARD | 06002122 | |
| KLEINENSIEL | 04804090 | |
| KLOSTERSEE + | 04013080 | |
| KRABBEGEUL | 2318975 | |
| KRANTOR | 4009080 | |
| KRIS-1 | 08356129 |  |
| KRYSTYNA | 8348088 | |
| KS 4 | 05401710 | |
| KS 6 | 05103670 | |
| KS 8 | 05103690 | |
| KÖNIGSTEIN | 4031220 | |