Classification No.	900799
IMO No.	8711019
Official No.	130301
Signal Letters	JCOY
Flag	Japan
Port of Registry	Yokosuka
Ship's Name	YOKOSUKA
Former Name 1	--
Registered Owner 1	National Research and Development Agency, Japan Agency for Marine-Earth Science and Technology
Management Company 1	NIPPON MARINE ENTERPRISES, LTD.
Classification Characters, Notations	NS*(Re S/SS SBM)(IHM) 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)	RESEARCH/SUPPORT
- Certificates - SC/SE/SF	Other cargo ship
- OPP	Other than Oil Tanker
- EE	Ship other than ship types defined in regulation 2
- SMC/ISSC	Other cargo ship
Tonnage Gross (Registered)	4,439
Tonnage Net (Registered)	--
Tonnage Gross (Local)	4,439
Tonnage Net (Local)	--
Tonnage Gross (TM69)	4,439
Tonnage Net (TM69)	1,331
Deadweight	1,368
Summer Freeboard (mm)	1,950
Summer Draught (m)	4.671
Lf (m)	95.000
Continuous Max. Speed (kt)  sp; (Sea Trial) :	17.9
Equipment No.	790
Overall Length (m)	105.223
Moulded LxBxD (m)	95.000 x 16.000 x 4.700
Registered LxBxD (m)	96.560 x 16.000 x 7.300
Cargo Capacity   (m3 / No. of Containers, etc.)	--
No. of Passengers	--
Capacity of Tanks (m3)	FO 683.00 FW 429.00
No. & Kind of Engines	2DE : 4 SA 8 CY
Bore x Stroke (mm)	320.0 x 400.0
Power (kW)	2,206 (1,103 x 2)
Revolution (rpm)	600.0
Manufacturer	Daihatsu Diesel Mfg. Co., Ltd. Moriyama Works
No. & Kind of Boilers	1 AUX VB
Pressure (MPa)	0.59
Evaporation	1.50 (ton/h)
Manufacturer	GADELIUS SANWA  *Evaporation rate: Thermal output (kW) to be filled up in case of TOH.
No. & Capacity of Generators (kVA)	4 AC 2,870
Kind of Propeller Shaft	1A
Fixed Method of Propeller	Flange, Flange
No. & Shaft Diameter (mm)	2 x 305
Shipbuilder	Kawasaki Heavy Industries, Ltd.
Hull No.	1411
Date of Keel Lay	05 Feb 1988
Date of Launch	25 Jul 1988
Date of Build	10 Apr 1990
Date of Conversion	--