It's 8:30 a.m. as the Big Cat Express saddles up to the dock at the Port of Morgan City, La. It is Sea Trial day for the big quad engine catamaran ferry. No question she is waterjet powered as the tops of the blue "buckets" of the four Hamilton Jet 651's break the surface of the water at the stern. Just above the buckets are the exhausts, large four stainless steel pipes that curve downward toward the water. About 25 pickup trucks and my Ford Taurus wait the arrival of the 150-ft. by 34-ft. vessel. Painted gleaming white, the three-deck vessel looks like it was built for speed. Today we will find out just how fast it can travel. Emerging from the vehicles were several executives from Gulf Craft, Inc.