Built in 1972, by Norris J. Trosclair Incorporated of Cameron, Louisiana (hull #107) as the Capt. H.A. McCall for McCall Marine Services Incorporated of Cameron, Louisiana.
In 2005, the tug was acquired by Biblia Incorporated of Savannah, Georgia. Where she converted for use as a towing vessel. And, was renamed as the John Parrish.
Powered by two, Gauscor SF 240 TA diesel engines. With Gauscor R360 reduction gears, at a ratio of 4:1. Turning two, 52(in) by 51(in), four bladed, stainless steel propellers. She is a twin screw tug, rated at 1,500 horsepower.
Her electrical services are provided by two 40kW generator sets. Driven by two, 4-71 diesel engines. The tug's capacities are 27,000 gallons of fuel, 250 gallons of lube oil, 7,500 gallons of potable water, and 19,500 gallons of ballast.
The towing equipment consists of a single drum, Seahorse DS-50 towing winch. Outfitted with 1,300(ft) of 1.25(in) towing wire.