| Name | Chikyu | | Category | Special service ships - Drilling ships | | IMO | 9234044 | | Call sign | JRAJ | | Flag | Japan | | Year of built | 2005 | | Place of built | Japan | | Length, m | 210.00 | | Width, m | 38.00 | | Draught, m | 9.25 | | Deadweight, t | 27,161 | | Gross tonnage | 57,087 |
| | Home port | Yokosuka | | Shipbuilder | MHI Nagasaki Shipyard & Engine Works | | Classification society | Nippon Kaiji Kyokai | | Speed, kts | 10.0 | | Owner | Japan For Marine Earth Yokosuka | | Operator | Mantle Quest Japan Tokyo | | Status | In operation |
|