 | UAL Mexico |  | 9147124 | Rotterdam |
| UBC Montreal | | 9421178 | Hoek van Holland |
 | Ukrainets |  | 9294460 | Sluiskil |
 | Ulla Scan |  | 9173343 | Papenburg |
| Ulrike G |  | 9156113 | Rotterdam |
| Ulus Wind |  | 9361976 | Rotterdam |
 | Union Diamond |  | 9374727 | Antwerpen |
| Union Emerald | | 9374741 | Antwerpen |
| Union Gold | | 9479565 | Terneuzen |
| Union Jupiter | | 8901030 | Gent |
| Union Mars | | 9229166 | Antwerpen |
 | Union Moon | | 8416839 | Terneuzen |
| Union Neptune | | 8416803 | Rotterdam |
| Union Pearl | | 8903026 | Antwerpen |
| Union Pluto | | 8415665 | Europort |
| Union Ruby | | 9374715 | Antwerpen |
| Union Saturn | | 8903064 | Antwerpen |
| Union Silver | | 9374909 | Gent |
| Union Sun | | 8416798 | Gent |
| Union Titan | | 8416750 | Europort |
| Union Topaz | | 8502133 | Gent |
| Union-Elisabeth | | 9148130 | Antwerpen |
 | Uno | | 8505630 | Antwerpen |