Built in 1984, by Moss Point Marine of Escatawpa, Mississippi (hull #050) as the Seacor Guard for Seacor Marine Holdings of Ft. Lauderdale, Florida.
Originally constructed for use as a mooring vessel for use in West Africa, where she had been outfitted for firefighting and pollution control. The tug was returned from West Africa in 1999. The tug was refurbished at Steiner Shipyard in Bayou LaBatre, Louisiana.
The tug was later acquired by Bisso Marine of New Orleans, Louisiana where she was renamed as the Darlene Bisso.
She was eventually sold to Atlantic Gulf Towing of Norfolk, Virginia where the tug was renamed as the Miss Cate.
Powered by two Turbo Caterpillar 3508 Diesels, with a third single Twin Turbo Caterpillar 3412 Diesel engine, with Twin Disc MG-530 reduction gears at a 5:1 ratio, turning three stainless steel 69(in) by 66(in) propellers mounted in kort nozzles, for a rated 2,200 horsepower. The tug is also outfitted with a 120 horsepower, bow thruster driven a GM 4-71 diesel.
The tug's capacities are 45,200 gallons of fuel oil, 1,400 gallons of lube oil, and 7,500 gallons of potable water.
Her towing gear consists of a Timberland Hydraulic Towing Winch, outfitted with 2000(ft) of 1.5(in) IWRC tow wire and the Anchor Drum outfitted 800(ft) of 1(in) towing wire.