utility vessel U |
| Change type | A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z | 0-9 |
| ID | Name | Built | Flag | IMO | ENI | Type | CA | SC | M | C |
| 5809 | Uisge Gorm | 1983 | |
8124034 | N/A | floating production storage offloading (FPSO) | C |
| 5810 | Uly | 2003 |  |
N/A | N/A | SaR |
| 5811 | Union Beaver | 1991 |  |
8918564 | N/A | seagoing salvage craft |
| Change type | A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z | 0-9 |