One assumes that Ulstein Verft had to cease from building OSVs for some years after selling the UT design to Rolls-Royce, but when they returned to the fray in 2001 it was with a bang. Their first new design was the Ulstein A101 of which they built four, two for Olympic and two for Solstad. When  engaged in rig moves as a marine rep or a towmaster I  have worked with three of the four and in every case they were fantastic 

TYPE: ULSTEIN A101 NAME: Olympic Hercules PHOTO: Vic Gibson, George Craigen
GENERAL PROPULSION DECK EQUIP
Length OA 82.1 m Engines 4 x 4320 kW Workdrum pull 500 tonnes
Breadth 20.0 m BHP 23,000 Capacity 1 2000m x 109mm
DWT 3737 tonnes For'd Thruster 1200 kW Capacity 2  
Deck area 640 m2 Az Thruster 1100 kW Towdrum pull 400 tonnes
Fuel 1191 m3 Aft Thrusters 2 x 833 kW Capacity 1 1350 m x 83mm
Pot water 1161 m3 Bollard pull 270 tonnes Capacity 2 1350 m x 83mm
Mud 545 m3     Sharks Jaw Yes 
Base oil 210 m3 DP DP 1 Cranes 1 x 20 tonnes-
Brine 405 m3 Joystick Yes Tank Cleaning None
Dry bulk   Year built 2002 Shipyard Ulstein Verft
Charter - Available - Location -
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