The UT 740 is a Large Multifunctional Anchor Handling / Tug / Supply and Service Vessel designed to satisfy the demands of the offshore industry as oil exploration and oil production move into deeper waters. Besides undertaking normal supply duties between land base and drilling sites, the vessel is designed and equipped for: Anchor Handling in deep water, Towing, ROV/Subsea Service, Heavy lift/Ploughing through A-frame, Standby/Rescue, Oil Recovery and Fire Fighting. The UT 740 is characterised by high installed powers and high bollard pull, large deadweight, bunker capacity for long tows and a powerful winch.

2021: Scrapped

2023: Still active - IMO 9155054

Numbers below are taken from product leaflet at the 1997 delivery:

MAIN DIMENSIONS
Length over all, approx 80,42 m
Length between p.p 69,30 m
Breadth moulded 18,00 m
Depth moulded 9,50 m
Design draught 7,00 m
Max. draught midship 7,77 m

CAPACITIES
Ballast water 2230 m3
Fresh water 1080 m3
Dry bulk cargo tanks (cement) 12000 cu.ft.
Fuel oil 1500 m3
Liquid mud 545 m3
Brine 440 m3
Cargo chain lockers 540 m3
Oil rec. 1050 m3
Cargo deck area approx. 600 m2
Deck cargo (G="1,0" m above deck) approx 1200 T
Deadweight approx. 3950 T
(A-frame regarded as Deadweight)

CLASSIFICATION / FLAG
DnV + 1A1, Tug Supply Vessel, SF, EO, Oil Recovery, DynPos AUTR, Fi-Fi I, Fi-Fi II, Ice C

PERFORMANCE
Bollard pull 220,3 T
Speed, approx 17,27 knots

ACCOMMODATION
The vessel has accommodation and equipment for 52 persons. and facilities for approx. 300 survivors

TECHNICAL DATA
Bulkhandling system
For ULSTEIN vertical Cement Tanks Total capacity 340 cu.metres

Deck Cranes
One deck crane, 5 tonnes at 10 metrs
One ROV deck crane, 5 tonnes at 12 metrs
Two deck cranes in anchor handling area
A-frame, 150 tonnes SWL

Rudders / Steering Gear
Two ULSTEIN High Lift Flap Rudders
Two ULSTEIN independent electric - hydraulic Steering Gear

Side Thrusters
Two ULSTEIN Side Thruster aft. each 590 kW
One of ULSTEIN Side Thruster forward 1103 kW
One of ULSTEIN Swingup Azimuth Thruster forward 883 kW

Roll Damping System
ULSTEIN Passive Stabilizing Systems

Mannoeuvring / Positioning
ULSTEIN Joystick
DynPos AUTR
Wire tension control for AHT winch
Taut wire winch

Navigation / Communication
S-band and X-band radars with plotter
Electronic chart system with printer
Radio installation according to GMDSS - A3 with Inmarsat C, Inmarsat B

Deck Machinery
One ULSTEIN Tugger Winches, 15 tonnes
Two ULSTEIN Tugger/Storage Winches, 15 tonnes 640 m of dia. 76 mm
Two ULSTEIN Capstans aft, 15 tonnes
One ULSTEIN Capstans forward, 6 tonnes
One ULSTEIN Special Handling Drum: Capacity 1500 m of 109 mm dia. wire 0-43 m/min. brake 560 Two ULSTEIN Special Handling Drum: Capacity: 1500 m of 109 mm dia. wire, 0-43 m/min., brake 560 tonnes
Two ULSTEIN Handling/Towing Drums: Capacity each: 2000 m of 83 mm dia wire. 0-68 m/min. brake 550 tonnes
One ULSTEIN Secondary Winch, 60 tonnes Capacity 1400 m of 7" dia synghetic rope
One ULSTEIN Spare Towing Wire Drum
One ULSTEIN Stern Roller Two retractable anchor handling tongs
Two retractable pop-up pins
Four towing pins

Life Saving Equipment
One MOB-boat with approved one-armed davit 25 knots speed

Machinery / Propulsion System
Four Main engines, each of 3345 kW (Total 13380 kW)
Two ULSTEIN Main Propellers, each of 6690 kW in fixed nozzles

Electric Power Plant (440 V - 60 Hz)
One generator set, 620 kVA
One generator set, 1788 kVA
Two shaft generators, each of 3000 kVA

Electric Equipment
ULSTEIN Motor Control Centres and general Electrical. Equipment
ULSTEIN Alarm System (UMAS)
ULSTEIN Tanktender System
ULSTEIN Datasound

Fire Fighting System (Fi-Fi I + II)
Two pumps, ecah of 4075 m3/h
Two water monitors, each of 3600 m3/h
Throw length 180 m
Throw height 110 m
Self protection sprinkler system 2x400 m3/h

Yno 240 - Normand Atlantic