The UT 720 Anchor Handling Tug Supply Vessel is designed by Ulstein Ship Technology AS, for following duties . General supply services - Anchor handling and towing operations - Fire fighting operations - Rescue operations. The vessel is built as Ulstein Verft AS hull no. 255.

MAIN DIMENSIONS
Length overall approx 66,00 m
Length between pp 56,40 m
Breadth moulded 14,60 m
Depth main deck 7,40 m
Max. draught 6,30 m
Design draught 5,20 m

CAPACITY
Ballast water 825 m3
Fresh water 460 m3
Fuel oil 880 m3
Liquid mud 270 m3
Brine/DW (incl. in BW) 430 m3
Gross tonnage international 1974 GRT
Net tonnage international 716 NRT
Deadweight at draugth 6,3 m approx 2100 T
Dry bulk cargo tanks approx 240 m3
Cargo deck area approx 410 m2

CLASSIFICATION
The vessel is outfitted with machinery and provided with equipment in accordance with the latest rules and regulations of Det norske Veritas AS with following class and notation +1A1, Tug, Supply Vessel, SF, E0, Fire Fighter I.

PERFORMANCE
Bollard pull 150 tonnes
Trial speed 16,55 knots

ACCOMMODATION
Accommodation for 25 persons in total of which:
- 7 single cabins
- 3 double cabins
- 3 passengers cabins, each of 4 passengers
- Mess/Day room
- Hospital

TECHNICAL DATA
Bulk Handling System
ULSTEIN Bulk Handling System consisting of five
Vertical Cement Tanks total capacity 240 m3

Deck Crane
- One deck crane, 5 tonnes at 11 metres

Liquid Cargo Discharge System
- One fresh water pump, el. driven
- One liquid mud pump, el.driven
- One liquid mud/brine pump, el.driven
- One ballast/drill water pump, el.driven
- One fuel oil pump, el driven
- Four agitators for mud tanks, el.driven

Rudder/Steering Gear
- Two ULSTEIN High Lift Flap Rudders
- Two ULSTEIN Steering Gears

Side Thruster
- Two ULSTEIN Tunnel Thruster forward each of 663 kW
- One ULSTEIN Tunnel Thruster aft 663 kW

Roll Damping System
- ULSTEIN Passive Roll Damping System

Manoeuvring/Positioning
- ULSTEIN Poscon Joystick
- DynPos system (complaying with DnV AUT class)
Position Reference Systems: HPR, Fanbeam, DGPS

Navigation/Communication
- S-band and X-band ARPA radars with plotter
- Radio installation according to GMDSS-A3 with Inmarsat C

Deck Machinery
- One ULSTEIN Windlass 15,0 tonnes
- Two chain stoppers
- Two ULSTEIN Capstan aft 10 tonnes
- Two ULSTEIN Tugger Winches 12 tonnes
- Two ULSTEIN Pennant Wire Winches 15 tonnes
- One ULSTEIN Spare Wire Reel Winch 15 tonnes
- One ULSTEIN Towing/Anchor
Handling Winch consisting of:
- Two anchor handling drums 300 tonnes
- One towing drum 270 tonnes
- Two anchor handling tongs 500 tonnes
- Two sets towing pins 240 tonnes
- One ULSTEIN Stern Roller 350 tonnes

Lifisaving Equipment
- One MOB-boat with one-armed davit

Machinery/Propulsion System
- Two Main Diesel Engines, each of 4500 kW-750rpm
- Two ULSTEIN CP Propulsion System, each of 4500kw-154rpm with ULSTEIN Propeller Nozzles
- Two ULSTEIN Reduction Gears

Electric Power Plant (440V - 60Hz)
- Two shaft generators, each of 2250 kVA
- Two auxiliary diesel generators, each of 438 kVA
- One emergency generator 120 kVA
- ULSTEIN Main Switchboard 440V/220V
- ULSTEIN Emergency Switchboard

Electric Equipment
- ULSTEIN Control Consoles and general Electrical Equipment
- ULSTEIN Alarm System (UMAS)
- ULSTEIN Tanktender System
- ULSTEIN Datasound

Fire Fighting System (FI-Fi)
- Two pumps, each of 1500 m3/h
- Two water monitors, each of 1200 m3/h
- Self protection sprinkler system