ENA Challenger

AHTS

6,400 bhp, DP-2 AHTS

General
Name of Vessel	ENA Challenger
Type of Vessel	6,400 bhp, DP-2 AHTS
Flag	Singapore
Call Sign	9V7858
Class	ABS +A1, Towing Vessel, Fire Fighting Vessel Class 1, Offshore Support Vessel AH, E , +AMS, + DPS-2
Built	2009
Principal Particulars
Length Overall	61.25 metres
Length B.P.	56.53 metres
Breadth Moulded	18.00 metres
Depth Moulded	6.93 metres
Maximum Draft	5.10 metres
Designed Speed	12 knots
Bollard Pull	87 tons
Berths	48 in 1, 2 and 4 man cabins
Capacities
Gross Tonnage	2583
Net Tonnage	774
Deck Space	30 metres x 15 metres (450m2)
Deck Cargo	600 MT @ 7.5 MT/m2
Fuel Oil	613 m3
Fresh Water	342 m3
Mud	287 m3
Dry Bulk Tank	170 m3
Drill Water / Sea Water	730 m3
Lubricating Oil	6.0 m3
Foam	9.3 m3
Dispersant	9.3 m3
Machinery & Equipment
Main Engines	2 x 3200 bhp Yanmar 8E280M-EV Diesel engines
Propulsion	2 x CPP in Kort Nozzles
Generating Sets	3 x 534 kW Caterpillar 3412 2 x 1,200 kW Shaft Alternator 1 x 112 kw Cummings emergency generator
Bow Thruster	2 x 8.0 MT Tunnel Thrusters
Stern Thruster	1 x 6.0 MT Tunnel Thrusters
Shark Jaw	1 x 500 MT
Tow pins	1 x 500 MT
Stern roller	2000 mm dia. x 6 m , 400 MT
Deck crane	5 MT SWL @ 17 metres radius
Towing/Anchor handling Winch	Plimsoll Winch 250 MT Pull 400 MT Brake Capacity: 2000 metres x 64 mm dia.
Rope Reels	2 x 10.0 MT Capacity: 2000 metres x 64 mm dia.
Tugger winch	2 x 10.0 MT @ 15 m/min
Capstan	2 x 5.0 MT @ 15 m/min
Windlass	7.0 MT @ 10 m/min
Transfer Rates
Fuel Oil	1 x 100 m3/hr @ 60 metres head
Drill/Fresh Water	1 x 100 m3/hr @ 60 metres head
Liquid Mud	2 x 66 m3/hr @ 60 metres head
Dry Bulk	2 x 20.5 m3/min @ 5.6 bar
Dynamic Positioning
Model	Converteam ADP21 Duplex DP System
DGPS	2 x Veripos DGPS
Reference Systems	1 x Cyscan Prepared for HiPAP
Safety & Environment
Fire Fighting	FIFI1 Pumps: 2 x 1,500 m3/hr @ 14 bar Monitors: 2 x 1,200 m3/hr
Dispersant	2 x Oil Dispersant Booms Tank Capacity: 9.3 m3
Rescue Boat	1 x 6 person FRP, 60 hp Engine with Davit 1 x 6 person FRP, 25 hp Engine Workboat
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