Yno 239 - Normand Neptun

Hull No. 239 built in 1996 by Ulstein Verft AS for Solstad Offshore ASA, Norway. Out of service (scrapped) in 2021.

Yno 239 Normand Neptune

The UT 740 is a Large Multifunctional Anchor Handling / Tug / Supply and Service Vessel designed to satisfy the new demands of the offshore industry as oil exploration and oil production moves into deepter water. 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/Sub Sea Service, Heavy lift/Ploughing through A-frame, Standby/Rescue, Oil Recovery and Fire Fighting. The UT 740 is charaterised by high installed powers and high bollard pull, large deadweight, bunker capacity for long tows and a powerful winch.

2021: 25 years after the vessel left Ulstein Verft as a newbuild, the vessel arrived Greenyard Kleven to be scrapped. 

2023: Still active - IMO 9121053


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


Ballast water 2100 m3 
Fresh water 1050 m3 
Drillwater 1900 m3 
Dry bulk cargo tanks (cement) 12000 cu.ft. 
Fuel oil 1500 m3 
Methanol 120 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. 4100 T


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


Bollard pull approx. 220 T 
Speed, approx 17,5 knots


The vessel has accommodation and equipment for 40 persons. and area for approx. 300 survivors


Bulkhandling system 
Four ULSTEIN vertical Cement Tanks 
Total capacity 338 cu.metres 

Deck Cranes 
Two deck cranes, 5 tonnes at 10 metrs.

Rudders / Steering Gear 
Two ULSTEIN High Lift Flap Rudders 
Two ULSTEIN independent electric - hydraulic 
Steering Gear SR 722 

Side Thrusters 
Two ULSTEIN Sidethruster aft. each 590 kW 
One of ULSTEIN Sidethruster forward 883 kW 
One of ULSTEIN Retractable Azimuth Thruster forward, 883 kW


Roll Damping System 
ULSTEIN Passive Stabilizing Systems

Mannoeuvring / Positioning 
Ulstein Poscon Joystick 
DynPos AUTR, prepared for upgrading to AUTR

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 
Two ULSTEIN Tugger Winches, 15 tonnes 
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: 2000 m of 83 mm dia. wire, 0-68 m/min., brake 550 tonnes 
Two ULSTEIN Storedrums, 50 tonnes Capacity each: 3400 m of 77 mm dia wire 
One ULSTEIN Spare Towing Wire Drum 
Two anchor handling drums 
Four towing pins


Lifesaving Equipment 
Two MOB-boats 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, 475 kVA 
One generator set, 1788 kVA 
Two shaft generators, each of 2400 kVA 

Fire Fighting System (Fi-Fi I + II) 
Two water monitors: 
Throw length 180 m 
Throw height 110 m 
Capacity 3600 m3/h each