Yno 227 - Mærsk Frontier

Hull No. 227 built 1992 by Ulstein Verft AS, Norway for A.P. Møller, Denmark

Yno 227 Maersk Frontier

The UT 745 Platform Supply Vessel are 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 ships. Loading and unloading alongside a pipelaying barge or drilling/production platforms in a North Sea condition. The vessel are also prepared for Oil recovery operation. The vessel are executed as Ulstein Verft yard no. 227. The UT 745 have a deadweight of 4640 t and a deck cargo capacity of 2950 t, pipe cargo capacity 2700 t.


The vessel are built outfitted with machinery and provided with equipment in accordance with the latest rules and regulations of Lloyd's Register of Shipping for world wide service with following class and notation: + 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.

2017: Still active - IMO 9034767


Length over all: 82,50 m 
Length between p.p: 76,20 m 
Breadth moulded: 18,80 m 
Depth. mld.: 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 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


Trial Speed: 15,0 knots


Ulstein Bergen, main engines 2 x BRM-6 each of 2650 kW 
Ulstein Propeller: 
- Twin screw CP propulsion system: 2 x 2650 kW 
- Thrusters: Fore 1 off 883 kW 
1 off Compass Thruster 883 kW 
Aft: 2 off 590 kW 
Motorfabrikken DAN (Svendborg): Steering gear 
Ulstein high lift rudders: 2 off 
Ulstein passive stab.tank system: 3 off


Ulstein Brattvaag: 
- 1 off Windlass, 25 t 
- 2 off Capstans, 10 t 
- 2 off Tugger Winches, 9,5 t


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


Mærsk Data: 
- Loadstar