Last update : 7 Jul 2026
| Classification No. | 051561 | |
|---|---|---|
| IMO No. | 9234044 | |
| Official No. | 136960 | |
| Signal Letters | JRAJ | |
| Flag | Japan | |
| Port of Registry | Yokosuka | |
| Ship's Name | CHIKYU | |
| Former Name 1 | -- | |
| Registered Owner 1 | National Research and Development Agency, Japan Agency for Marine-Earth Science and Technology | |
| Management Company 1 | Mantle Quest Japan Company Ltd. | |
| Classification Characters, Notations | NS*(MODU)(IB IS)(PSCM)(DPS B)
MNS* |
|
| Descriptive Notes | -- | |
| Installation Characters | CHG, MPP, LSA, CAA, RCF, M0, AFS, BWM | |
| Installation Descriptive Notes | ||
| Special Description | -- | |
| Other Classification | -- | |
| Type of Ship -Purpose(intended service) | MOBILE OFFSHORE DRILLING UNIT | |
| - Certificates - SC/SE/SF | Other cargo ship | |
| - OPP | Other than Oil Tanker | |
| - EE | Ship other than ship types defined in regulation 2 | |
| - SMC/ISSC | Mobile offshore drilling unit | |
| Tonnage Gross (Registered) | 56,752 | |
| Tonnage Net (Registered) | -- | |
| Tonnage Gross (Local) | 56,752 | |
| Tonnage Net (Local) | -- | |
| Tonnage Gross (TM69) | 56,752 | |
| Tonnage Net (TM69) | 17,025 | |
| Deadweight | 27,161 | |
| Summer Freeboard (mm) | 7,040 | |
| Summer Draught (m) | 9.248 | |
| Lf (m) | 195.330 | |
| Continuous Max. Speed (kt) sp; (Sea Trial) : |
12.0 | |
| Equipment No. | 6,649 | |
| Overall Length (m) | 210.000 | |
| Moulded LxBxD (m) | 192.880 x 38.000 x 16.200 | |
| Registered LxBxD (m) | 184.540 x 38.000 x 16.200 | |
|
Cargo Capacity (m3 / No. of Containers, etc.) |
-- | |
| No. of Passengers | 8 | |
| Capacity of Tanks (m3) | FO 9,301.00 FW 738.00 | |
| No. & Kind of Engines | 6EM : | |
| Bore x Stroke (mm) | -- | |
| Power (kW) | 25,200 (4,200 x 6) | |
| Revolution (rpm) | 720.0 | |
| Manufacturer | Toshiba Keihin Product Operations | |
| No. & Kind of Boilers | 2 AUX VB | |
| Pressure (MPa) | 0.99 | |
| Evaporation | 6.00 (ton/h) | |
| Manufacturer | Osaka Boiler Mfg., Co., Ltd.
*Evaporation rate: Thermal output (kW) to be filled up in case of TOH. |
|
| No. & Capacity of Generators (kVA) | 9 AC 44,450 | |
| Kind of Propeller Shaft | 1B | |
| Fixed Method of Propeller | Keyless, Keyless, Keyless, Keyless, Keyless, Keyless | |
| No. & Shaft Diameter (mm) | 6 x 380 | |
| Shipbuilder | Mitsubishi Heavy Industries, Ltd. Nagasaki Shipyard & Machinery Works | |
| Hull No. | 2171 | |
| Shipbuilder 2 | Mitsui Engineering & Shipbuilding Co., Ltd. Tamano Works | |
| Hull No. | TF1614 | |
| Date of Keel Lay | 25 Apr 2001 | |
| Date of Launch | 18 Jan 2002 | |
| Date of Build | 25 Jul 2005 | |
| Date of Conversion | -- | |