Classification No. 133801
IMO No. 9697911
Official No. 141963 
Signal Letters 7JPM 
Flag Japan 
Port of Registry Tokyo 
Ship's Name KAIYO 
Former Name 1 --
 
Registered Owner 1 OFFSHORE OPERATION CO.,LTD.
 
Management Company 1 OFFSHORE OPERATION CO., LTD.
 
Classification Characters, Notations NS*(CS)(TUG, WB)(DPS A)(IHM)
MNS* 
Descriptive Notes --
Installation Characters MPP, LSA, CAA, RCF, AFS 
Installation Descriptive Notes 
Special Description -- 
Other Classification -- 
 
Type of Ship -Purpose(intended service) TUG/WORK BOAT 
- Certificates - SC/SE/SF --
- OPP --
- EE --
- SMC/ISSC --
 
Tonnage Gross (Registered) 699 
Tonnage Net (Registered) -- 
Tonnage Gross (Local) 699 
Tonnage Net (Local) -- 
Tonnage Gross (TM69) -- 
Tonnage Net (TM69) -- 
Deadweight 1,029 
 
Summer Freeboard (mm) 710 
Summer Draught (m) 4.311 
Lf (m) 51.170 
Continuous Max. Speed (kt)  sp;
(Sea Trial) :
13.8 
Equipment No. 384 
 
Overall Length (m) 56.000 
Moulded LxBxD (m) 51.168 x 12.000 x 5.000 
Registered LxBxD (m) 47.800 x 12.000 x 5.000 
 
Cargo Capacity  
(m3 / No. of Containers, etc.)
-- 
No. of Passengers -- 
Capacity of Tanks (m3) FO 464.00 FW 174.00 
 
No. & Kind of Engines 2DE : 4 SA 6 CY 
Bore x Stroke (mm) 280.0 x 370.0 
Power (kW) 3,236 (1,618 x 2) 
Revolution (rpm) 750.0 
Manufacturer NIIGATA POWER SYSTEMS CO., LTD. OHTA PLANT 
 
No. & Kind of Boilers -- 
Pressure (MPa) -- 
Evaporation -- 
Manufacturer -- 
*Evaporation rate: Thermal output (kW) to be filled up in case of TOH.
 
No. & Capacity of Generators (kVA) 3 AC 1,550 
Kind of Propeller Shaft 1B 
Fixed Method of Propeller Flange, Flange 
No. & Shaft Diameter (mm) 2 x 220 
 
Shipbuilder ISB CO., LTD. 
Hull No. 517 
Date of Keel Lay 07 Nov 2012 
Date of Launch 09 May 2013 
Date of Build 12 Jul 2013 
Date of Conversion --