Yno 251 - Pacific Buccaneer

Hull no. 251 built by Ulstein Verft AS Norway for Swire Pacific Offshore.

Yno 251 Pasific Buccaneer

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 at Ulstein Verft AS in 1997 hull no. 251.

2017: Still active - IMO 9149445. Owner and manager: Swire Altus Shipping, Jakarta, Indonesia. Flag: Jakarta, Indonesia


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


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


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.


Bollard pull 150 tonnes 
Trial speed 16,39 knots


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


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


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


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


Deck Machinery 
- One ULSTEIN Windlass 15 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


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


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