Before revision: A Nigerian pilot assists a U.S. Navy ship into the harbor at Lagos using nautical charts A maritime pilot, marine pilot, harbor pilot, port pilot, ship pilot, or simply pilot, is a mariner who maneuvers ships through dangerous or congested waters , such as harbors or river mouths.
After revision: A Nigerian pilot assists a U.S. Navy ship into the harbor at Lagos using nautical charts A maritime pilot, marine pilot, harbor pilot, port pilot, ship pilot, or simply pilot, is a mariner who has specific knowledge of an often dangerous or congested waterway , such as harbors or river mouths.