Built in 1969, by Universal Iron Works of Houma, Louisiana (hull #90) as the El Burro Grande for Tidewater Marine Subsidiary Twenty Grand Offshore of New Orleans. Louisiana.
The tug was later acquired by Dann Ocean Towing of Tampa, Florida. Where she was renamed as the Allie B.
She was then acquired by Crosby Marine Transportation of Golden Meadow, Louisiana. Where she was renamed as the Crosby Eagle.
The tug is a model bow, twin screw ABS International Load Line certified tug. Powered by two Cummins KTA 50 Series diesel main engines with Lufkin reduction gears at a ratio of 6:1 turning two 79(in) by 89(in) fixed pitch four bladed stainless steel propellers mounted in kort nozzles for a rated 6,000 horsepower.
Her electrical service is provided by two 99 kw generators driven by two Cummins 6 BTA engines. The tug's capacities are 68,488 gallons of Fuel Oil, 500 gallons of Lube Oil, 4,086 gallons of Potable Water, 50 gallons of Hydraulic Oil.
The tug's towing gear consists of a Markey TDSD 28 Double Drum Side by Side towing winch outfitted with 2,000(ft) of 2(in) wire.