Built in 1976, Scheepswerf Jonker and Stans-Hendrik Ido Ambacht, of the Netherlands (hull #338) as the Union Four for Union de Remorquage and De Sauvetage of Antwerp, Belgium.
The tug was later renamed as the Canadian Express. And, then as the Traders Express.
In 1990, the tug was passed to McAllister Towing Limited Montreal. A subsidiary of the McAllister Brothers Towing Company of New York, New York. Where she was renamed as the Offshore Monarch.
The Tug was acquired to tow paper barges between Camden, New Jersey and Breton Island, Nova Scotia in Canada. She was later redeployed to tow container barges. Between southern ports of the United States and Port au Prince, Haiti. In support of United States military peace keeping operations.
In 1998, the tug was acquired by the Offshore Express Company of Houma, Louisiana. Where the tug retained her name. And, she operated under a Peruvian flag. However, she is no longer listed in documentation. Her current, and or, final disposition is unknown.
Powered by two, EMD16-645E5 diesel engines, with Reintjes reduction gears. Turning two, fixed pitch, propellers, mounted in kort nozzles. For a rated 5,750 horsepower.
The tug's electrical service is provided by two, 125kW generator sets. Her capacities are 122,576 gallons of fuel, 5,679 gallons of lube oil, 528 gallons of hydraulic oil, and 7,925 gallons of potable water.
Her towing gear consists of a hydraulic, double drum, Brusselle anchor handling winch. Outfitted with with a capacity of 2,952(ft) of 2(in) diameter towing wire on each drum.
(Mac Mackay, Bob Beegle)