For some voyaging sailors, a night at sea in gale conditions is a piece of cake next to the challenge of maneuvering a single-screw, no-bow thruster voyaging sailboat in the tight confines of a crowded harbor with a crosswind and a current running. Voyagers who are skittish about their vessel handling skills can take some solace in the fact that even the pros make mistakes — sometimes big ones. A case in point is the March 23, 2021, accident that left the 1,312-foot, 20,124-TEU container ship Ever Given, owned by Evergreen Marine and one of the world’s largest commercial vessels,…