4,200 hp Twin Screw Anchor Handling/Supply/Tug/Survey Vessel

4,200 hp Twin Screw Anchor Handling/Supply/Tug/Survey Vessel
Built Year / Place: 1982 / Japan
Navigation Area: Inshore Waters A3
Class Society and Notation:

NK (NS MNS) Ice Class C
Principal Dimensions and Characteristics
Length Over All: 52.6 m 172.6-feet
Width: 11.0 m 36.1-feet
Depth: 5.0 m 16.4-feet
Draft: 4.1 m 13.45-feet
GT: 684 tonnes 754 tons
Crew Capacity (Crew/Other): 15/20
Machinery and Propulsion
Main Engine: 2 x Niigata 6MG31FZ 1,545kW
Total Power Output: 3132 kW 4200 hp
Propellers: Variable pitch propeller×2
Main Generator: 2 x 300 kVA
Auxiliary engine 1 x 150 kVA
Observation: 2 x 50 kVA
Towing Force: 392 kN (40t)
Bow Thrusters: Variable pitch 31.4kN 1 x (3.2t)
Capacity Tanks
Fuel Capacity: 283.7 m3 371.1 yd3
Water Tank: 238.9 m3 312.5 yd3
Capacity Cargo
Free Deck Space: 189.2 m2 2036.5 ft2
Deck Space: 21.5 m x 8.8 m 70.5-feet x 28.9-feet
Deck Cargo: 162 tonnes 178.6 tons
Deck Equipment
Anchor Handling Towing Winch: 784kN (80t) - 6m/min , 196kN (20t) - 20m/min, 1,470kN (150t) - Break
Tug Winch×2: 49kN (5t) – 20m/min, 157kN (16t) – Break
Capstan×2: 49kN (5t) – 20m/min
Stern Roller: 4.0m×1.5m dia. SWL 980kN (100t)
Mooring Equipment:

Stockless type bow anchor1,060kg?2, Chain 32mm?275m?
2
Windlass: Chain wheel: 58kN (6t) , Anchor drum: 39kN (4t) , Warping drum: 24kN
Radio/Transmission
Autopilot, NNSS, GPS, DGPS, Speedometer, Magnetic compass, Gyrocompass, SSB transponder, Ship to ship phone, Weather fax, Acoustic sounder (JRC NJA-193S, SIMRAD EA 600)
GMDSS (A1, A2, A3): VHF Radio×2, Bidirectional Radio×2, MF/HF Radio (DSC, NBDP), Inmarsat C, EPIRB, SART, Navtex, AIS, Radar×2