| Name: | E.W. Ellefsen |
| Type: | Cutter suction dredger |
| Owner: | Weeks Marine |
| Built by: | |
| Year: | 1982 |
| Total installed power: | 10.300 | kW |
| Length o.a.: | 84,5 | m |
| Length hull: | 65,6 | m |
| Breadth: | m | |
| Draught: | m | |
| Suction pipe: | 1 x ... | mm |
| Dredging depth: | 21,0 | m |
| History: | |
| - | Originally built under the name 'Meridian' in 1982. |
| - | Renamed 'E.W. Ellefsen' in 2007. |