Vessel Name: INW1 INW2 INW3 INW4
 
 
Built: 1982 - Singapore 2009 - China 2009 - China 2009 - China
Classification: ABS, A1, AMS B.V. B.V. B.V.
Flag: Panama Panama Panama Panama
Type: Diving / Utility Support Vessel Utility Support Vessel Anchor Handling Tug Anchor Handling Tug
         
Dimensions:        
Length, Overall: 38.00m 36.00m 48.00m 48.00m
Length B.P: 36.50m 33.28m 42.90m 42.24m
Breadth: 9.50m 9.80m 12.80m 13.20m
Depth: 3.70m 4.30m 4.60m 4.80m
Draft: 3.20m 3.30m 3.80m 4.10m
Designed Deck Strength / Unit Loading:   2.5 ton / m2 5 ton / m2 5 ton / m2
Clear / Aft Deck Space:   130m2 215m2 210m2
Gross Tonnage: 404 tons 387 tons    
Net Tonnage: 81 tons 116 tons    
         
Machinery:        
Main Engine: 2 x 1060 BHP, GM 16V 149N diesels 2 x 1000 BHP, Caterpillar 3508 B 2 x 2375 BHP 2 x 2375 BHP
Bollard Pull:   24 tons 60 tons 60 tons
Propulsion System: Caterpillar 3508 B twin F.P.P. with nozzles twin controllable pitch propeller with nozzles twin F.P.P. with nozzles
Generating Set: 1 x 110KW GM 2 x 245KW diesel driven 3 x 245KW diesel driven 3 x 245KW diesel driven
Bow Thruster: 1 x 135KW 1 x 150KW electrical motor driven thrust, about 1.5 tons 1 x 300 KW electrical motor driven thrust, about 5 tons 1 x 469 HP electrical motor driven thrust
Cargo F.W. Water Pump:   35m3 / hr at 40m head 70m3 / hr at 70m head 70m3 / hr at 70m head
Cargo Fuel Oil Pump:   35m3 / hr at 40m head 70m3 / hr at 70m head 70m3 / hr at 70m head
         
Performance:        
Speed, Max.:   12.00 knots 12.50 knots 12.00 knots
         
Tankage (Approx.):        
Fuel Oil Approx.:   230m3 700m3 520m3
Fresh Water Approx.:   120m3 200m3 190m3
Ballast Water Tanks:   20m3 50m3 80m3
Dirty Oil Tank:   1m3 5m3 8m3
Dispersant Tank:   2m3 10m3 10m3
Foam Tank:   5m3 8m3 8m3
Lubrication Oil Tank:   2m3 8m3 8m3
Hydraulic Oil Tank:     4m3 4m3
         
Deck Machinery:        
Anchoring Handling Winch:   20 tons pull in 1st layer, 40 tons brake, single drum, Electrical / Hydraulic power and local and remote control 75 tons pull in 1st layer, 150 tons brake, waterfall double drum, diameter 50mm steel wire rope capacity, Electrical / Hydraulic power and local and remote control 120 tons pull in 1st layer, 150 tons brake, waterfall double drum, diameter 52mm steel wire rope capacity
Towing Pin and Jaw:     200 tons SWL, Electrical / Hydraulic type 200 tons SWL
Tuggers:     2 x 10 tons SWL 2 x 10 tons SWL
Capstans:     2 x 5 tons SWL 2 x 5 tons SWL
Deck Crane:   2 tons SWL 15 tons SWL  
Oil Dispersant:   two through nozzles at bow two through nozzles at bow  
         
Fire Fighting:        
External Fire Fighting:   FI-FI, 1 x 650m3 / hr by two monitors by PTO FI-FI, 2 x 1200m3 / hr by two monitors by PTO FI-FI, 1 x 2400m3 / hr by two monitors
Water Curtain:   covering nozzles spread type for after deck, deck house by round nozzles covering nozzles spread type for after deck, deck house by round nozzles  
         
Life Safety Equipment:        
Life Rafts:       3 x 20 persons, inflatable life raft
Life Buoys:       16 sets
Life Jackets:       30 sets
Distress Signals:       12 parachutes, 6 hand flares, 4 smoke signals
Line Throwing:       4 guns with lines and apparatus rockets
Fire Man Suits:       2 suits
Breathing Apparatus:       28 Nos.
         
Accommodation:   20 men 38 men 29 men
No. of 1 - man cabins   2 2  
No. of 2 - man cabins   5 2  
No. of 4 - man cabins   2 8