The UT 745 Platform Supply Vessel is designed by Ulstein International AS for following duties: Transport of pipes, cement, equipment, dry and liquid cargo to and from pipe-laying barges, drilling platforms and ship. Loading and unloading alongside a pipelaying barge drilling/production platforms in a North Sea condition. The vessel is also prepared for Oil recovery operation. The vessel is executed as Ulstein Verft AS yard no. 237. The UT 745 has a deadweight of 4640 T, a deck cargo capasity of 2950 T and pipe cargo capasity of 2700 T.

CLASSIFICATION
The vessel is built outfitted with machinery and provided with equipment in accordance with the latest rules and regulations of Lloyds Register of Shipping for world wide service with following class notations: + 100 A1, +LMC, UMS, LNC (AA), "Offshore Supply Ship", Methanol in integral tank. The vessel is complying with Danish Authorities (DMA) and U.K. Authorities (DOT) for such vessel for world wide operation.

2017: Still active - IMO 9086203

MAIN DATA
Length over all 82,50 m
Length between pp 76,20 m
Breadth moulded 18,80 m
Depth, moulded 7,60 m
Draft (summer) 6,23 m
DW 4640 T
Gross tonnage international 2961 GRT
Net tonnage international 1234 NRT
Deck cargo 2950 T
Deck cargo area 900 m3

ACCOMMODATION
Accommodation for 26 persons in total of which:
- 2 off one-bed cabins with dayroom, bedroom, and toilet
- 12 off one-bed cabins with toilet
- 2 off 6-men cabins with toilet
In addition:
- 1 off hospital
- 1 off reception
officers and crew mess rooms

PERFORMANCE
Trial Speed 15,0 knots

TECHNICAL DATA
Ulstein Bergen: Main engine 2 x BRM-6 each of 2650 kW

Ulstein Propeller:
- Twin screw CP propulsion system 2x2650 kW
- Thrusters: Fore 1 off 883 kW
1 off Compass Thruster 883 kW
Aft. 2 off 590 kW
Ulstein Tenfjord: Steering Gear
Ulstein high lift rudder 2 off
Ulstein passive stab.tank system 3 off
Ulstein Brattvaag 1 off Windlass, 25 T
2 off Capstans 10 T
2 off Tuggerwinches 9,5 T

Ulstein Marine Electronics:
- Main Switchboard 440V/220V
- Emergency Switchboard 440V/220V
- Electronic remote control system for propeller systems
- Control consoles and general electric equipment
- Tank Tender/Data Sound
- Microprocessor based alarm system (UMAS)
- Roll indicator

Mærsk Data: Loadstar

Cable Laying Equipment
- One crane MCV2T, 2,5 tonnes at 20 metres
- One crane KMCV 1301m 1,5 tonnes at 20 metres
- One A-frame, 60 tonnes
- One towing winch, 60 tonnes
- One storage winch, 2 tonnes
- One auxiliary winch, 36 tonnes
- One capstan winch, 25 tonnes
- One linear cable winch, 20 tonnes
- One linear cable winch, 4 tonnes
- Three linear cable winches, each of 2 tonnes
- Four stern rollers

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

Side Thrusters
- One ULSTEIN Tunnel Thruster forward, 1103 kW
- Two ULSTEIN Tunnel Thrusters aft, each of 736 kW
- One ULSTEIN Swing-up Compass Thruster, 883 kW

Roll Damping System
- One ULSTEIN Passive Stabilizing Tank System

Manoeuvring/Positioning
- ULSTEIN Joystic
- Dynamic positioning system according to DP (AM) requirements from LRS

Navigation/Communication
- S-band and X-band ARPA radars
- Two Gyro compasses
- Autopilot
- Log
- Echo sounder
- GPS navigator
- Radio installation according to GMDSS-A3 with Inmarsat B and C
- Three VHF radios

Deck Machinery
- One ULSTEIN Windlass/Mooring Winch 25 tonnes
- Two ULSTEIN Capstans 10 tonnes
- Two ULSTEIN Tugger Winches 10 tonnes

Lifesaveing Equipment
- One MOB-boat with one-armed davit
- Four life rafts, each of 35 persons
- Two life rafts, each of 25 persons

Machinery/Propulsion System
- Two Krupp Mak main diesel engines, each of 3520 kW
- Two ULSTEIN CP Propulsion System each of 3520 kW
- Two ULSTEIN Reduction Gears with propeller PTO for shaft generators; 1800 rpm/1500 rpm, high speed 205 rpm. low speed 171 rpm

Electric Power Plant (450V AC - 60Hz)
- Two shaft alternators, each of 3000 kVA
- Two generator sets, each of 600 kVA
- One emergency generator 85 kVA
- Transformers, 2 x 80 kVA, 1 x 30 kVA (450/230V)

Electric Equipment
- ULSTEIN Main Switchboard 440/220V
- ULSTEIN Emergency Switchboard 440/220V
- ULSTEIN Control Consoles and general Electrical

Equipment
- ULSTEIN Data Sound
- ULSTEIN Microprocessor based Alarm System (UMAS)
- ULSTEIN Brigde Alarm System

Liquied Cargo Discharge System
- One fuel oil pump
- One fresh water pump
- One ballast/drillwater pump

Yno 237 - Mærsk Finder