| ULLA | 04004810 |  |
| ULLA | 04019230 | |
| ULTIMO | 02006131 |  |
| UMSCHLAG | 04020010 | |
| UMSCHLAG | 04020010 | |
| UNDINE | 4013620 | |
| UNDINE + | 02104379 | |
| UNDINE IV | 03350436 | |
| UNDINE V | 02326076 | |
| UNIGA | 3170637 | |
| UNION 2 | 2319806 | |
| UNION II | 8348089 |  |
| UNIQUESHIP | 02326170 | |
| UNITAS | 3110131 | |
| URANIA | 04003750 | |
| URANUS | 04003990 | |
| URSA MINOR | 04031280 | |
| URSULA ANETTE | 4022230 | |